37) A gun with a muzzle velocity of 100 m/s is fired
horizontally from a tower. Neglecting air resistance, how far
downrange will the bullet be 1 second later?
A) 50 m
B) 98
C) 100
D) 490
E) none of these
38) An airplane flies at 40 m/s at an altitude of 50 meters. The
pilot drops a heavy package which falls to the ground. Where,
approximately, does the package land relative to the plane's new
position?
A) beneath the plane
B) 400 m behind the plane
C) 500 m behind the plane
D) more than 500 m behind the plane
E) none of these
39) A bullet is fired horizontally with an initial velocity of
300 m/s from a tower 20 m high. If air resistance is negligible,
the horizontal distance the bullet travels before hitting the
ground is about
A) 200 m.
B) 300 m.
C) 400 m.
D) 500 m.
E) 600 m.
40) The period of a satellite, the time it takes for a complete
revolution, depends on the satellite's
A) mass.
B) weight.
C) radial distance.
D) all of these
E) none of these