A bicyclist climbs a 20km long hill that makes an angle of
A bicyclist climbs a 2.0km long hill that makes an angle of 7.0° with the horizontal. The total weight of the bike and rider is 750N. How much work is done on the bike and rider by gravity?
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on a frictionless horizontal air table puck a with mass 0255 is moving toward puck b with mass 0369 which is
two window washers bob and joe are on a 300 m long 405 n scaffold supported by two cables attached to its ends bob
the motor of a fan turns a small wheel of radius rm 223 cm this wheel turns a belt which is attached to a wheel of
an 18 g rifle bullet traveling 200 ms buries itself in a 35 kg pendulum hanging on a 28 m long string which makes the
a bicyclist climbs a 20km long hill that makes an angle of 70deg with the horizontal the total weight of the bike and
a ball thrown straight up at an initial speed of 140ms reaches a maximum height of 76m what fraction of the balls
balance the meter stick at its center of gravity and hang an unknown mass eg your keys at the 90 cm mark place the
three negative charges of equal magnitudes are positioned along the x-axis at x -a x0 and x a respectively the charge
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