Register
PLEASE HELP ASAP!!! An object has a kinetic energy of 50 J and a velocity of 5 m/s, what is the mass of the object? A. 4 kg B. 55 kg С. 10 kg D. 1 kg
120,952 views
14 votes
14 votes
PLEASE HELP ASAP!!!

An object has a kinetic energy of 50 J and a velocity of 5 m/s, what is the mass of the
object?

A. 4 kg

B. 55 kg

С. 10 kg

D. 1 kg

User Badr
by
3.1k points

1 Answer

12 votes
12 votes

Answer:

0.5mv^2=50, v=5, 25/2×m=50, m=50×2/25, So, the answer is 4

User Chris Riley
by
2.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

If a constant fotce of 490 newtons is applied to an object and it proceeds to accelerate in the opposjte direction at 9.8 meters per second, every second, what is its mass?
1. if i start with 48 ml of water in a graduated cylinder, after submerging an object the water level rises to 63 ml, what is the volume of the object. 2. if i start with 36 ml of water in a graduated
Why is the system of si unit developed
Why, when building a house, all its walls are laid at the same height at the same time?​
An object moves from point A to point C along the rectangle shown in the figure below. a) Find the distance covered by the moving object b) Find the magnitude of the displacement of the object. B
Link Copied!