Register
A boy of mass 50 kg on a motor bike is moveny coith 20m/see what is hio k.E​
108k views
5 votes
A boy of mass 50 kg on a motor bike is moveny coith 20m/see what is hio k.E​

User Flavien Lambert
by
2.7k points

1 Answer

2 votes
Kinetic energy=a half mv squared
Mass=50kg
Velocity=20m/s
1/2 multiply 50 multiply 20 squared
1/2 multiply 50 multiply 400
1/2 multiply 20000
1 multiply 20000 divide 2
20000 divide 2=1000

Kinetic energy=1000J
User Kroonike
by
3.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.4m questions

4.3m answers

Other Questions

How does the value of the electrostatic force vary with the value (how many) of the charges?
A car is moving 14.4 m/s when it hits the brakes. It slow from 78.8 m, which take 9.92s. It then accelerates at 1.83 m/s 2 for 4.50 s. What is the total displacement?
A charge Q is uniformly spread over one surface of a very large nonconducting square elastic sheet having sides of length d. At a point P that is 1.25 cm outside the sheet, the magnitude of the electric
If you use 750 Newtons of force to accelerate an object to 3.1 m/s​ . What is the object’s mass?
ou are unloading a refrigerator from a delivery van. The ramp on the van is 5.0 m long, and its top end is 1.4 m above the ground. As the refrigerator moves down the ramp, you are on the down side of the
Link Copied!