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A thin rod (length = 1.49 meter) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. The mass of the rod may be neglected, compared to the mass of the object fixed to the top of the rod. The rod, starting from rest, tips over and rotates downward.
(a) Find what is the angular speed of the rod just before it strikes the floor?
(b) Find the magnitude of the angular acceleration of the rod just before it strikes the floor?
A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.00s. At the end of this time, the boatcontinues for an additional 6.00s with an acceleration of +0.518m/s2. Following this, the boat accelerates at -1.49m/s2 for 8.00s.
A 120 kg scaffold is 6.6 meters long. It is hanging with two wires, one from each end. A 540 kg box sits 1 meter from the left end. What is the tension in the right hand side wire
A rifle is aimed horizontally at a target 51 {rm m} away. The bullet hits the target 1.5 {rm cm} below the aim point. What was bullet's speed as it left the barrel.
How to find the length
coherent light with wavelength 510 nm passes through narrow slits with a separation of 310mm, what is the phase difference (in radians) in the light from the two slits at an angle of 22.0 degrees from the centerline
the constant a in van der waals equation is 0.547 jm3mol2 and b is 30.52 x 10-6 m3mol for water vapor.a. compute the
A girl delivering newspapers covers her route by traveling 9.00 blocks west, 4.00 blocks north, and then 2.00 blocks east, What is the total distance she travels
Physics: How much time is required to row cross the river? How wide is the river?, A river man can row his boat at a speed of 2.5 m/s through still water. He wants to row directly across a river that has a current flowing at 1.5m/s
A step-down transformer (turns ratio = 1:6) is used with an electric train to reduce the voltage from the wall receptacle to a value needed to operate the train. What is the current in the primary coil
While landing, the rotor of a helicopter slows from an angular speed of 4500 rpm to rest in 5 seconds. How many revolutions does the rotor travel during this time
Illustrate what factor caused fewer purchases to be planned? Suggest business conditions that would cause this factor to both occur and impact the company in this way."
An RLC circuit has a sinusoidal voltage supplied to it at 632 kHz with a peak voltage of 748 V; a 25 k? resistance; a 16 µF capacitance; and a 30 H inductance
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