Consider a situation where you exert a force F on a crate of mass m, moving it at a speed v a distance d across a floor in a time interval t.The work you do on the crate is __________
Fill in the blank(s) with correct word
Fd
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Newton's modification of Kepler's Third Law lets us measure the mass of the Sun
Indicate whether the statement is true or false
Consider a velocity with components 36. m/s Westward and 22. m/s Northward. What is its magnitude and direction?
What will be an ideal response?
At target practice, a rifle bullet is fired at an angle of 30° below the horizontal with an initial velocity of 800 m/s from the top of a cliff 80 m high
How far from the base of the cliff does it strike the level ground below if air resistance is negligible?
A uniform rod is 2.0 m long. The rod is pivoted about a horizontal, frictionless pin through one end. The rod is released from rest at an angle of 30° above the horizontal. What is the angular acceleration of the rod at the instant it is released?
a. 4.7 rad/s2 b. 6.9 rad/s2 c. 6.4 rad/s2 d. 5.6 rad/s2 e. 4.2 rad/s2