# physics

a stone of mass 50g is released from rest, Calculate it's kinetic energy after 6s from the beginning of the motion

1. 👍 0
2. 👎 0
3. 👁 77
1. V = Vo + g*t = 0 + 9.8*6 = 58.8 m/s.

KE = 0.5M*V^2, M = 0.05 kg.

1. 👍 0
2. 👎 0
posted by Henry

## Similar Questions

1. ### Physics

A bullet of mass 50g is fired with a velocity of 200m/s in to a block of mass 950g at rest. Given the block can more firely, calculate: 1) the kinetic energy after impact 2) the lose of energy

asked by OLANREWAJU on June 26, 2018
2. ### Physics

A 245 g particle is released from rest at point A inside a smooth hemispherical bowl of radius 35.0 cm, as shown in Figure 5-21. (a) Calculate the gravitational potential energy at A relative to B. 1 . (b) Calculate the particle's

asked by Brooks on October 20, 2011
3. ### physics

A stone of mass 0.55 kilograms is released and falls to the ground. Measurements show that the stone has a kinetic energy of 9.8 joules at the point of impact with the ground. What is the stone's velocity when it hits the ground?

asked by Anonymous on March 18, 2013
4. ### physics

A 278 g particle is released from rest at point A inside an smooth hemispherical bowl of radius 36.5 cm, as shown below. (a) Calculate the gravitational potential energy at A relative to B. J (b) Calculate the particle's kinetic

asked by Anonymous on November 20, 2014

A block of mass 2.62 kg is kept at rest as it compresses a horizontal massless spring(k = 141 N=m) by 15.3 cm. As the block is released, it travels 0.627 m on a rough hori- zontal surface before stopping. The acceleration of

asked by kitt on March 4, 2007
6. ### physics

The potential energy of a catapult was completely converted into kinetic energy by releasing a small stone with a mass of 20 grams. The velocity of the stone when it reached the target was 15.0 meters/second. What was the value of

asked by tms on February 10, 2015
7. ### physics

A small block of mass m = 225 g is released from rest at point circled A along the horizontal diameter on the inside of a frictionless, hemispherical bowl of radius R = 27.5 cm as shown in the figure below. (a) Calculate the

asked by steve on October 27, 2014
8. ### Physics

A stone is thrown from the edge of a cliff into the ocean below. It is thrown somewhat upward, but mostly outward. The stone has a mass of 2.0kg and is thrown with a speed of 10m/s from an initial height of 5.0m above the ocean.

asked by Jay on April 1, 2013
9. ### Physics

A stone is thrown from the edge of a cliff into the ocean below. It is thrown somewhat upward, but mostly outward. The stone has a mass of 2.0kg and is thrown with a speed of 10m/s from an initial height of 5.0m above the ocean.

asked by Jay on April 1, 2013
10. ### physics

A 2.10-g particle is released from rest at point A on the inside of a smooth hemispherical bowl of radius R = 28.0 cm. Calculate the following: (a) Its gravitational potential energy at A relative to J (b) Its kinetic energy at B.

asked by nicole on June 8, 2010

More Similar Questions