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sergey [27]
3 years ago
6

Jnkmj jnmmjnkmjnkmjmsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssc mmmmmmmmmmmmmmmmmmmm

Physics
2 answers:
alex41 [277]3 years ago
8 0

Jecbfyicrvdbicbicnrhecbydhbfc

Hehdbeeufhrbfuibcdsjibvhisbcznchbvrjkvn? Kiffbcrrhhsdfvcbiajsbnfucjoansdzuijcndj!!!

Andrei [34K]3 years ago
5 0

Jnkmj jnmmjnkmjnkmjmsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssc mmmmmmmmmmmmmmmmmmmm

Jnkmj jnmmjnkmjnkmjmsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssc mmmmmmmmmmmmmmmmmmmm

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PLEASEEE HELPPP!!!
Alja [10]

Given :

A mover slides a refrigerator weighing 650 N at a constant velocity across the floor a distance of 8.1 m.

The force of friction between the refrigerator and the floor is 230 N.

To Find :

How much work has been performed by the mover on the refrigerator.

Solution :

Since, refrigerator is moving with constant velocity.

So, force applied by the mover is also 230 N ( equal to force of friction ).

Now, work done in order to move the refrigerator is :

W = Force\times distance\\\\W = 230 \times 8.1\ N\ m\\\\W = 1863\ N\ m

Hence, this is the required solution.

3 0
3 years ago
a car with a mass of 2000 kilograms is moving around a circular curve at a uniform velocity of 25 meters per second. The curve h
melisa1 [442]
In the given problem, we say various information's that are going to help us reach the ultimate answer to the question. Let us first write the information's that have been presented in front of us.
Mass of the car = 2000 kg
Velocity of the car = 25 m/s^2
Radius of the circle = 80 m
Now we already know the equation for calculating the centripetal force and that is
Centripetal Force = [mass * (velocity)^2]/Radius
                            = [2000 * (25)^2]/80
                            = (2000 * 625)/80
                            = 1250000/80
                            = 15625
So the centripetal force on the car is 15625 Newtons
  
4 0
3 years ago
Read 2 more answers
A ball with an initial velocity of 12 m/s is rolling up a hill. The ball accelerates at a rate of -2.6 m/s/s.
Anon25 [30]

Answer:

4.61 seconds

Explanation:

Given data

Initial velocity= 12m/s

acceleration= -2.6m/s^2

From the given data

we can find the time t

we know that

Acceleration= velocity/time

time= velocity/acceleration

time= 12/2.6

time= 4.61 seconds

4 0
3 years ago
Emily sprains her ankle on her way home from school. Her mom suggests she use an “instant cold pack” to reduce the swelling. Whe
tresset_1 [31]
<span>In energy transfer, happens from one object to another without changing its form. For example, when you fill a pot of water and sit it on the stove, the water continues to heat until you turn it off. While in a energy transformation, the energy changes forms such as Chemical, kinetic.</span>
4 0
3 years ago
The gravity of Earth is attracting a person towards the center with 500N of gravitational force. The person is exerting a reacti
mestny [16]

Answer:

500n

Explanation:

7 0
3 years ago
Read 2 more answers
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