1) A person weighs 612 N. If this person sits in the middle of a hammock that is 3.0 m long and it sags 1.0 m below the points of support, what force would be exerted by the two hammock ropes.
a. .005 N
b. 204 N
c. 459 N
d. 918 N
2) a stone is thrown horizontally at 10 m/s from the top of a cliff 50 m high. how far from the base of the cliff will it land?
a. 3.4 m
b. 10.2 m
c. 34 m
d. 102 m
3) a soccer player kicks a ball in to the air at an anle of 32 degrees above the horizontal. the initial velocity of the ball is +26.0 m/s. how long is the soccer ball in the air?
a. 0.11 s
b. 1.4 s
c. 2.6 s
d. 2.8 s
2007-11-29
08:28:13
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3 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Physics