Asmall button placed on a horizontal rotating platform with diameter 0.520 m will revolve with the platform when it is brought up to a speed of 35.0 rev/min , provided the button is no more than 0.240 m from the axis. what is the coefficient of static friction between the button and the platform?
Answers: 1
Physics, 22.06.2019 16:00
Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
Answers: 1
Physics, 22.06.2019 21:20
Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s
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Physics, 22.06.2019 22:00
It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.
Answers: 1
Physics, 23.06.2019 01:00
Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
Answers: 2
Asmall button placed on a horizontal rotating platform with diameter 0.520 m will revolve with the p...
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