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Starting from rest at t = 0, a wheel undergoes a constant angular acceleration. When t = 1.5 second, the angular velocity of the wheel is 5.7 rad/s. The acceleration continues until t = 21 second, when it abruptly ceases. Find through what angle does the wheel rotate in the interval t = 0 to t = 37 sec?
A 50.0kg pole vaulter running at 10.0m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump.
You have a mass of 77 kg and are on a 43 degree slope hanging on to a cord with a breaking strength of 209 newtons. What must be the coefficient of static friction to 2 decimal places between you and the surface for you to be saved from the fire..
An 18.8 cm screwdriver is used to pry open a can of paint. If the axis of rotation is 2.78 cm from the end of the screwdriver blade, what force is applied to the lid
A volleyball is spiked so that incoming velocity is 3.7m/s is changed to an outgoing velocity of -16 m/s.The mass of the vball is 0.34kg. what impulse does the player apply to the ball?
a certain volcano on earth can eject rocks vertically to a maximum height h.a how high in terms of if would these rocks
as a fish jumps vertically out of the water assume that only two significant forces act on it an upward force f exerted
A baking dish is removed from a hot oven and placed on a cooling rack. As the dish cools down to 32.0°C from 172°C, its net radiant power decreases to 11.0 W. What was the net radiant power of the baking dish when it was first removed from the oven? ..
A beam contains 3.0 x 106 doubly charged positive ionsper cubic centimeter, all of which are moving north with a speed of5.4 x 105 m/s. What is the magnitude of the currentdensity?
In the troposphere, the part of the atmosphere that extends from the surface to an altitude of about 11 km, calculate the pressure p at height y=8863m
What is the period of oscillation of the scale? State your reply numerically in seconds.
Determine at what angle should the roadway on a curve with a radius 50 meter be banked to allow cars to negotiate the curve at 12 m/s even if the road is icy and frictional force is zero
What is momentum of the block
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