A 40 kg man stands atop a 10 m ladder with a mass of 15 kg leaning
against the wall. If the la...
Physics, 23.04.2020 20:17 lisabrewer18
A 40 kg man stands atop a 10 m ladder with a mass of 15 kg leaning
against the wall. If the ladder is in static equilibrium, what must be the
normal force from the ground, assuming the wall is frictionless?
Answers: 3
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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
Answers: 3
Physics, 23.06.2019 00:00
What is the difference between mass density and weight density?
Answers: 1
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