A lightweight object and a very heavy object are sliding with equal speeds along a level frictionless surface. They both slide up the same frictionless hill. Which rises to a greater height?
A)
The heavy object, because it has greater kinetic energy.
B)
The light object, because it has smaller kinetic energy.
C)
The lightweight object, because it weighs less.
D)
The heavy object, because it weighs more.
E)
They both slide to the same height.
E
You might also like to view...
For a metal to be drawn into shape, it must have a high
(a) Tensile strength (b) Yield strength (c) Strain-hardening rate (d) Ductility
Spiral arms are concentrated at the center of our Galaxy
Indicate whether the statement is true or false
Radiation: A blacksmith is flattening a steel plate having dimensions 10 cm × 15 cm × 1 mm. He has heated the plate to 900 K. If the emissivity of the plate is 0.75, at what rate does it lose energy by radiation? Ignore any heat exchange with the surroundings. (? = 5.67 × 10-8 W/m2 ? K4)
A. 360 W B. 760 W C. 790 W D. 850 W E. 880 W
Which moon of Saturn constantly changes its rotational speed and rotational axis?
A) Mimas B) Iapetus C) Hyperion D) Calypso E) Janus