Two balls, A and B, of mass m and 2m respectively, are carried to height h at constant velocity, but B rises twice as fast as A. The work the gravitational force does on B is
a. one quarter the work done on A.
b. one half the work done on A.
c. the same as the work done on A.
d. twice the work done on A.
e. four times the work done on A.
Question 2
When a ball rises vertically to a height h and returns to its original point of projection, the work done by the gravitational force is
a. 0.
b. -mgh.
c. +mgh.
d. -2mgh.
e. +2mgh.
For this bimolecular reaction, the rate constant k is second order
The Structure of an Old Low-Mass Star
Constant velocity versus positive velocity
If a meteor (148 kg) is moving with a velocity of 112 m/s , and breaks into two parts, where ...
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ...