Thursday
November 27, 2014

Homework Help: physics (mechanics)

Posted by andrew on Thursday, April 12, 2012 at 11:20am.

A running man has half the kinetic energy of a boy half his mass. The man speeds up by 1.30 m/s and then has the same kinetic energy as the boy. What is the speed (in meters/second) of the boy?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

science - A running man has half the kinetic energy of that of a boy of half of ...
physics - A father racing his son has half the kinetic energy of the son, who ...
Physics kinetic energy - Okay the equation for kinetic energy is = 1/2mv^2 so ...
Univ-Phys - One car has twice the mass of a second car, but only half as much ...
Physics - Two cars are moving. The first car has twice the mass of the second ...
physics - 7. Two cars are moving. The first car has twice the mass of the second...
Physics (algebra bit) - I do not see how to do this problem One car has twice ...
Physics Classical Mechanics - The figure below shows the experimental setup to ...
Physical Science-Can someone check my answers? - 1) The kinetic energy of an ...
physics - A man of mass 78.5 kg walks down the aisle of an airplane at a speed ...

Search
Members