Suppose you drop a feather and a hammer on the Moon from the same height at the same time. What will happen?
A) The feather will hit the ground first.
B) They will hit the ground at the same time.
C) The hammer will hit the ground first.
D) They will float at the height you release them.
B) They will hit the ground at the same time.
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A heat engine has an efficiency of 35.0% and receives 150 J of heat per cycle
(a) How much work does it do in each cycle? (b) How much heat does it "waste" in each cycle? What will be an ideal response?
For visible light, which property of visible electromagnetic waves changes with color?
A. Frequency and wavelength B. Amplitude and frequency C. Frequency D. Wavelength E. Amplitude
Conversion of Units: If you are 5'10'' tall, what is your height in meters? (2.54 cm = 1.00 in.)
A. 1.5 m B. 1.6 m C. 1.7 m D. 1.8 m