Physics
19.08.2020 18:28
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Maria is holding a ball from a height of 2m that has the potential energy of 10j,

Maria is holding a ball from a height of 2m that has the potential energy of 10j, calculate the mass of the ball
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ryanzl1291
ryanzl1291
4,5(17 marks)
As an object falls from rest, its gravitational potential energy is converted to kinetic energy. ... Once the object hit on the ground, height is zero, therefore no potential energy at ground level. ... If a mass of 4 kg is dropped from a height of 100 meters
shortyyashaun
shortyyashaun
4,5(26 marks)
5 Kg
hope this helps!
angelteddy033
angelteddy033
4,6(59 marks)

Question:

Newton's second law states that F = m x a (Force is mass times acceleration). Which example would have the GREATEST acceleration?

A)a 10 kg ball thrown with a 50 Newton force

B)a 1 kg ball thrown with a 0.5 Newton force

C)a 50 kg student launched by a 100 Newton catapult

D)a 500 kg car accelerated by 1000 Newtons from the engine


Let's calculate each acceleration, from m = F/a:

A) 50N/10kg = 5 m/s^2

B) 0,5N/1kg = 0.5 m/s^2

C) 100 N/50kg = 2m/s^2

D) 1000N/500kg= 2m/s^2.


So the answer is option A.

really hope this helps

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