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The suitcase is released from rest at a height of 4.00m above the ground. The suitcase has a speed of 3.70m/s when it reaches the ground.
1. Calculate the angular velocity of the wheel when the suitcase reaches the ground.
2. Calculate the moment of inertia of the wheel.
A rod pushes with a force of 23N on a cable that holds an 84N sign. what is the tension force on the cable
A capacitance of is connected to an alternating emf of frequency 100 cycles/second. What is the capacitive reactance
A current with sinusoidal time-dependence, whose peak value is 3.55 A and frequency is 775 cycles per second, Calculate the average power dissipated by the loop
At one instant a bicyclist is 25m due east of a park's flagpole, going due south with a speed of 8 m/s. Then, 11 s later, the cyclist is 65m due north of flagpole, going due east with a speed of 10 m/s.
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.81 m, Calculate the power emitted by the human body
If 43.0 cm of copper wire(diameter=1.22 mm, resistivity=1.69E-8?·m) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at the constant rate of 9.51 mT/s
as two trains move along a track their conductors suddenly notice that they are headed toward each other. the figure
A 5.080 kg block of wood rests on a steel desk, State the force of friction applied to the block by the table at the following times: t=0 and t>0
A 2kg piece of ice @ 0C (273K) is placed in 27C (300k) body of water. Latent heat of fusion is 334kJ/kg. What is the work done by the ice
The starter motor of a car engine draws a current of 127 A from the battery. How much charge passes trough the starter motor
The local acceleration of gravity is 9.813 m/s 2 , and the atmospheric pressure is 101.57 kPa. a) What is the force (in Nt) exerted on the gas by the piston, the weight and the atmosphere combined
One component of a magnetic field has a magnitude of 0.054 T and points along the +x axis, Determine the angle that the net force makes with respect to the +x axis
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