Dropped objects on the Moon fall at a slower rate than on Earth because of a smaller ______________
Fill in the blank(s) with correct word
acceleration due to gravity
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A 92.5 kg stunt man stands on a piston that will launch him out of a vertical tube. The piston applies a constant force F to the man’s feet. Starting from rest, the force is applied as the man moves vertically 3.25 m, and while the piston is pushing, the man attains a velocity of 25.5 m/s. What was the man’s apparent weight during this time interval?
A. 9.3 kN B. 18.5 kN C. 19.4 kN D. 10.2 kN
A mixture consists of 70 g of ice and 60 g of liquid water, both at 0°C. (The latent heat of fusion of water is 80 cal/g and the specific heat capacity of water is 1.0 cal/g C°.) The amount of heat that must be added to melt all of the ice is about
A. 4000 cal. B. 5600 cal. C. 32,400 cal. D. 21,600 cal.
What quantity is defined as the distance divided
by the time? a) acceleration b) velocity c) speed d) vector
The angular acceleration of a wheel is given in by where t is in seconds. If the wheel starts from rest at when is the next time the wheel is at rest?
A) 5.1 s B) 8.4 s C) 6.9 s D) 3.6 s