Answer:
what diagram
Explanation:
A current of 0.2 A flows through a conductor for 5minutes. How much charge would have passed through the conductor?
As we know,
[tex]electric \: \: current = \dfrac{charge}{time} [/tex]
so, let's solve for charge (q) :
time = 5 minutes = 5 × 60 seconds = 300 seconds.
[tex]0.2 = \dfrac{q}{300} [/tex][tex]q = 300 \times 0.2[/tex][tex]q = 60[/tex]hence, the charge = 60 coulombs (C)
How much energy does your soda lose if 25.0g of water condenses on the outside of the can?
The mass given is 25.0 grams. As for the change in temperature, I will assume that it start off at room temperature, 25°C.
will give correct answer brainliest
In a trial, an expert witness uses the conservation of momentum to demonstrate which initial velocities would give the final states that occurred in the accident. Can using the conservation of momentum be justified in this case? Yes, because momentum is conserved in all collisions. No, momentum is only conserved in elastic collisions which this is not. No, energy is always conserved, but momentum is only sometimes conserved. Yes, because momentum is conserved in inelastic collisions which all car accidents are.
This equation tells the position of the ball, x, at any time t. Let's use it to solve for the position of the ball at t=0.00231 s. What value do you get when you use t=0.00231 s and solve for the position, x?
The slope of the graph, A, and the starting position of the ball, B, can be used to determine the position of the ball
The position of the ball at time t = 0.00231 s is 59.933 cmReason:
Question; The possible function representing the given equation is presented as follows;
x = A·t + B
Where;
A = 2.59 × 10⁴ [tex]\frac{cm}{s}[/tex]
B = 0.104 cm
t = Time in seconds (s)
x = The position (cm)
Required: The value of the position when t = 0.00231 s
Solution:
The position time graph of an object moving with a constant speed is a straight line with an equation of the form y = m·x + c
Plugging in the value of t = 0.00231 in the given equation gives;
x = 2.59 × 10⁴ × 0.00231 + 0.104 = 59.933
The position x of the ball at time, t = 0.00231 s is 59.933 cm
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What conclusion does the student most likely make based on this data?
Answer:
O Tightly packed particles in solids slow down the light waves; however, sound waves make particles bounce into each other, so they travel faster in solids.
Explanation:
In the data the student collected, it showed that when the atmosphere is thicker, it slows down the light. With sound however, the sound travels better in thicker stmosphere or solid, than thin air, or steam.
-kiniwih426
the force on a dropped apple hitting the ground depends upon
Answer:
F=ma
Explanation:
Force = mass * acceleration
10 Psychological Tricks That Can Make Your Life Much Easier
1. Look into someone’s eyes when you get a dissatisfactory answer: Sometimes we don’t like the answer to a question that we receive and sometimes we don’t understand it. Instead of repeating the question or asking another, look into the eyes of the person. This will make the person feel under pressure or cornered, and this will force them to further elaborate their thoughts.
2. Stay calm when someone raises their voice to you: Make a strong effort to remain calm. When a loudmouth acts out it’s usually in anger, and our behaviors can sometimes unintentionally provoke that. The feelings of anger usually quickly subside and guilt will set in and usually this person is first to ask for forgiveness.
3. Sit close to the aggressor to avoid attack: If you’re heading into a meeting and you know you’ll be in the room with an aggressive person, you know the discussion may become heated, or you may be subjected to negative criticism, make a point to sit next to that person. You may feel uncomfortable and awkward, but you won’t be the only one. Close proximity is known to make people uncomfortable which will lessen the level of aggression they plan to exercise.
4. Remember everyone’s names if you want to be popular: If you want to be popular with your peers and colleagues, make it a habit to start calling people by their first names when speaking with them. A person feels instantaneously special when you call him or her by their first name.
5. Write down your thoughts when you feel stressed or anxious: We all feel some level of mental stress or anxiety at some point. Write down your thoughts in a journal and then close it up. Believe it or not, you’ll be able to focus on your work more easily because you have now shared your thoughts with someone. When you share them, you will then feel the burden on your mind reduced.
6. Give yourself fewer choices when you can’t make the decision:Some people believe that it’s better to have more choices and more information and actually, they prefer to have more. However, it is actually paralyzing to have too many. There is evidence that shows that having four options at a time is the maximum number we can consider and still make a choice. In order to be an effective decision maker, you should only give yourself a few options at a time. This will allow you time to consider each one while giving you enough space between looking at a new set of options.
7. Right posture can boost confidence: This psychological trick applies to both work and pleasure. It can drastically improve your dating life and help you move up the ladder at work. How can you become confident do you ask? The best way to do this is through your posture. If you allow yourself to take up more space, you’re more likely to feel more confident. This is referred to power language.
8. Surefire way to win in ‘rock, paper, scissors’: This one is definitely intriguing. When you’re about to play this famous game, ask your opponent a random question right before. This typically will throw your confused opponent off and more often than not they will throw up ‘scissors’.
9. Make people feel needed when you ask for help: If you need someone’s help start off with the phrase, ‘I need your help…’ People like to feel needed and they hate feeling guilty. By starting off the conversation with that phrase, you’re more likely to receive the help you need.
10. Warm your hands before shaking hands with others:Did you know that cold hands are linked to distrust? When you’re about to touch someone or shake their hand, make sure that your hands are warm. Warm hands promote a friendly atmosphere.
and those are the ten physiology tricks.
Answer: Cool! Thanks!
A rubber duck sat is floating on the surface
on the water. 10N of weight is acting
DOWNWARDS on the water. What other
force must be acting to allow the duck to
float?
The other force that must be acting on the duck is upthrust of 10 N.
The given parameters;
weight of the rubber duck, W = 10 NWhen the weight of the object is equal to the upthrust, the apparent weight will be zero and the object will float in the liquid. This is known as principle of floatation.
Since the given weight of the rubber duck is 10 N, then the upthrust on the duck will be 10 N to enable the duck float on the water.
Thus, the other force acting on the duck is upthrust of 10 N.
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Pedro runs a total of 125 m in a straight line north in 11.5 s. What is his velocity.
How many protons are in the nucleus of an aluminum atom?
Explanation:
13 protons are in the nucleus of an aluminum atom
7. A gold bar has a volume of 4.7 cm3 and a density of 19.3 g/cm3. What is its mass? Be sure to show your work and label all units
Answer:
90.71
Explanation: Just multiply V/D=Mass
which kind of energy transformation occurs in a gasoline-powered car?
F. Chemical energy is converted into mechanical energy.
G. Mechanical energy is converted into light energy.
H. Light energy is converted into sound energy.
J. sound energy is converted into chemical energy.
The force between two point-charges of 0.040 C and 0.060 C separated by certain distance is 2.2 x 10^5 N. what is the distance between the charges?
A. 2.5m
B. 5m
C. 10m
D. 20m
Answer:
im in hardvard dont cheat and get good grades and become a graduate
it is c
Explanation:
Answer:
10m
Explanation:
1.Which of the following describes kinetic energy?
a. It is the energy of objects at rest. c. It is the energy of unmoving objects.
b. It is the energy of moving objects. d. It is the energy of objects in motion and in position.
2. What kind of energy does a sling shot that is pulled back all the way has?
a. kinetic energy c. elastic potential energy
b. chemical energy d. gravitational potential energy
3. Which of the following affects the amount of potential energy of an object?
a. mass and height b. mass and velocity c. height and velocity d. mass only
4. How will you increase the potential energy of a diver in the Olympics?
a. work out and lose weight c. go to a lower diving board
b. always jump d. go to a higher diving board
5. Which is the best example that something has kinetic energy?
a. water in the glass c. crawling ants on the wall
b. an apple placed at the rooftop d. car parked in front of the house
6. Which quantity does not affect the amount of kinetic energy?
a. mass b. velocity c. location d. none of these
7. If two objects with different mass are placed on the same table, which one contains
more energy?
a. The object with less mass c. Both objects have same amount of energy
b. The object with greater mass d. None of the two objects
8. A 60 kg man walks from the ground to the top of a 80 m tall building. How much
increase in gravitational potential energy is there? (Take g = 10N/kg)
a. 600 N b. 4800 J c. 8000 J d. 48000 J
9. The baseball pitcher throws a 0.145 kg baseball at a velocity of 30.0 m/s. What will be
the kinetic energy of the ball?
a. 62.55 J b. 65.25 J c. 65.55 J d. 62.25 J
10. If you are going to place a stone on a hill, at which point of the hill will it contain the
greatest amount of potential energy?
a. halfway down the hill c. top of the hill
b. on the hillside d. bottom of the hil
Explanation:
1.a
2.
a
3.
a
4.
a
5.
d
6.
a
7.
a
8.
b
9.
b
10.
c
I did all I can please mark me as brainllestfind an expression for the magnitude of the horizontal force f in the figure for which m1 does not slip either up or down along the wedge. all surfaces are frictionless.
We have that the expression for the magnitude of the horizontal force F is
[tex]F=(m_1+m_2)gtan\phi[/tex]
From the question we are told
find an expression for the magnitude of the horizontal force f in the figure for which m1 does not slip either up or down along the wedge. all surfaces are friction-less.
Generally the equation for Normal force is mathematically given as
[tex]N=\frac{n_2g}{cos\pji}[/tex]
Where
a signifies acceleration
[tex]Nsin\phi=m_2a[/tex]
Therefore
Equating above equations
[tex]a=\frac{Nsin\phi}{m^2}\\\\a=gtan\ph[/tex]i
Generally the equation for Force on wedge is mathematically given as
[tex]F=m_1a+Nsin\phi[/tex]
[tex]F=(m_1+m_2)gtan\phi[/tex]
Therefore
The expression for the magnitude of the horizontal force F is
[tex]F=(m_1+m_2)gtan\phi[/tex]
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Oh a sqiurrel’s hidden nuts, for every 5 that get found, there are 3 that to not get found. A squirrel hid 40 nuts all together. How many of the nuts do not get found?
Answer:
66 2/3
Explanation:
An elevator accelerates upward at 1.2 m/s 2 . the acceleration of gravity is 9.8 m/s 2 . what is the upward force exerted by the floor of the elevator on a(n) 62 kg passenger? answer in units of n.
Answer:
Explanation:
Fr= Fn-P
ma=Fn-mg
Fn= m(a+g)
Fn=62(1.2+9.8)
Fn= 682N
marissas car accelerates uniformly at a rate of -2.60m/s^2. how long does it take for marissas car to accelerate from a velocity of -28.2m/s to -42.3m/s?
Answer:
1.02s
Explanation:
In this situation the following equation will be useful:

Where:
 is Marissa's car final velocity
 is Marissa's car initial velocity
 is Marissa's car constant acceleration (assuming this is the acceleration, since 1269 m/s^{2} does not make sense)
 is the time it takes to accelerato from  to 
will an object have the same weight on moon as it does ?
Answer:
The mass of an object is the same everywhere either on earth or moon.
The weight of an object depends on a gravitational acceleration and it's different from one on earth and that on moon.
therefore the weight changes but the mass is the same.
Explanation:
Hope this helps
EXPLAIN: Why must you reduce friction
order to move certain objects?
Friction is one of the forces working against a moving object, it makes it harder to move the more friction is exerted on the object. So, by reducing friction, you are making it easier for you to be able to move objects.
NEED HELP!!!!!!! 13 POINTS!!!!
Alana wants to add some eccentric exercise to her routine. She has heard that pull ups are good, but she does not have a lot of upper body strength and thinks that is going to be too challenging. She wonders if she can start by just hanging on at the top with her chin above the bar and holding that pose to get the benefits. What is the BEST response to Alana?
A.
Any activity that works the arms is eccentric exercise.
B.
That might build strength, but it is not eccentric exercise.
C.
She will get all of the benefits because grasping the bar key.
D.
She needs to do something else as pull-ups are not eccentric exercise.
Answer:
the answer should be B
Explanation:
i got it right on edmentum
Which statement about a Ferris wheel is true?
a The input force is applied to the axle.
b The input force is less than the output force.
с The output distance is shorter than the input
distance.
Answer:the imput force is applied to the axle
Explanation:
what is the modern symbol for the element Bo
Answer:
Bo (modern symbol B) = Boron
Explanation:
Hope this helps
A bus slows down uniformly from 71.2 km/h
to ( km/h in 22.3 s.
How far does it travel before stopping?
Answer in units of m.
Answer:
1 km = 1,000 meters
Explanation:hey im in 7th grade and even i know that.i sorry but you seem not the smartest.jk thats a good question
please help me i’m stuck on this question
A car travels 500 miles east in 10 hours. What is the velocity of the car?
Show Your Work.
Do Not Forget Your Correct Units.
Answer:
50m/s
Explanation:
500/10 to find the velocity always divide
the distance bt the time
if the kinetic energy of a particle is tripled, by what factor has its speed increased?
Answer:
KE1 = 1/2 m v1^2
KE2 = 3 KE1 = 3 * 1/2 m v1^2 = 1/2 m v2*2
3 v1^2 = v2*2
v2 = 3^1/2 v1
An object is traveling at a constant velocity of 8 m/s when it experiences a constant acceleration of 3.5 m/s2 for a time of 40 s. What will its velocity be after that acceleration?
Answer:566.3
Explanation:
an apple has a mass of 2kg. it is 3 m above ground. What is its potential energy?
Answer:
PE = 58.8J
Explanation:
potential energy = mgh
mass = 2kg
g = 9.8m/s^2
h = 3m
Why does it sound different when tapping on an aluminum spoon with an aluminum spoon when tapping on an iron jar?
Answer:
When the different objects drop on floor then each object vibrate at its natural frequency and produce different sound.
Explanation:
Conclusion: Thus different object has different vibration frequency and when they dropped on floor each vibrate at its natural frequency and produce different sound.
