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nadya68 [22]
2 years ago
9

What conclusions can you draw about how objects can exert forces on each other even when they are not in contact? write an evide

nce-based claim
Physics
1 answer:
Marrrta [24]2 years ago
4 0

The conclusions that can be drawn about how objects can exert forces on each other even when they are not in contact is due to Earth's gravitational force as proposed by Newton.

<h3>What is a non contact force?</h3>

A non contact force is a type that occurs when two objects that are not in contact exerts force on each other.

This type of force is possible because of gravitational force of Earth.

Thus, the conclusions that can be drawn about how objects can exert forces on each other even when they are not in contact is due to Earth's gravitational force as proposed by Newton.

Learn more about universal gravitation law here: brainly.com/question/9373839

#SPJ1

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While riding a chairlift, a 55-kilogram skier is raised a vertical distance of 370 meters. What is the total change in the skier
Lelechka [254]

The change in the skier's gravitational potential energy is 199430 J.

<h3> Gravitational potential energy:</h3>

This is the energy of a body due to its position in a gravitational field. The  S.I unit of gravitational potential energy is Joules (J)

The Change in the skier's gravitational potential energy can be calculated using the formula below.

Formula:

  • ΔP.E = mg(Δh)............... Equation 1

Where:

  • ΔP.E = Change in the skier's potential energy
  • m = mass of the skier
  • Δh = change in height to which it was raised
  • g = acceleration due to gravity.

From the question,

Given:

  • m = 55 kg
  • Δh = 370 m
  • g = 9.8 m/s²

Substitute these values into equation 1

  • ΔP.E = 55×370×9.8
  • ΔP.E = 199430 J.

Hence, The change in the skier's gravitational potential energy is 199430 J.

Learn more about potential energy here: brainly.com/question/1242059

3 0
2 years ago
Which element has 7 valence electrons?
arsen [322]
Chlorineeeeeeeeeeeeeee
8 0
3 years ago
What is the index of refraction of the glass?
Serggg [28]
You don't need to do any calculations, you are already given that n=1.5
n is index of refraction. it's 1.5
4 0
3 years ago
What is the definition of Physics?​
pychu [463]

Answer:

This is the simplified definition.

Explanation:

The main goal of physics is to explain how things move in space and time and understand how the universe behaves.

4 0
3 years ago
Read 2 more answers
Ben Rushin is waiting at a stop light. Turns green, ben accelerated from rest at a rate of 6.00 m/s squared for a time of 4.10 s
Lera25 [3.4K]
D= vt +.5at^2
since he started at rest, v (initial velocity) is 0
so d=.5at^2
d = .5 (6m/s^2) (4.1s)^2 
then put that into a calculator.

4 0
3 years ago
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