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A small object with a mass of m = 808 g is whirled at the end of a rope in a vertical circle with a radius of r = 128 cm. When it is at the location shown, (mid-height), its speed is v = 4.67 m/s. Determine the tension in the rope. (in N)
Neglect air resistance, as well as any energy absorbed by the pole, and clerify her altitude as she crosses the bar.
The work function for a metal is 3.8 eV. What is the minimum photon frequency that can just eject an electron from the metal
A mass on a string of unknown length oscillates as a pendulum with a period of 6 s. What is the period in the following situations, determine The mass is doubled
A perfectly insulated system has work done by it at a rate of 13 W. At what rate is the internal energy of the system changing?
A flatbed truck is carrying a load of timber which is not tied down. the mass of the timber is 800 kg, What is the highest acceleration that the truck can have without losing its load
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity, What is the maximum acceleration that the plane can have without the cup sliding backward on the table
An airplane is flying with a velocity of 83.0 at an angle of 25.0 above the horizontal. When the plane is a distance 114 directly above a dog that is standing on level ground, the suitcase drops out of the luggage compartment.
A 54.00 kg pole vaulter running at 10 m/s vaults over the bar. Her speed while she is above the bar is 1.0 m/s. Avoid air resistance, in addition to any energy absorbed by the pole, and determine her altitude as she crosses the bar.
A plastic bag is filled with hydrogen at atmospheric pressure and 27.0 oC. Assume that the mass of the bag is negligible, How large a volume of hydrogen (in m3) is required
Illustrate when is velocity of the boulder zero? Illustrate what is the magnitude of the acceleration while the boulder is moving? What is the direction of the acceleration while the boulder is moving?
How much energy is delivered to the battery. What is the velocity v of the smaller fish before lunch.
Three equal point charges, each with charge 1.00 , are placed at the vertices of an equilateral triangle whose sides are of length 0.350. Illustrate what is the electric potential energy of the system?
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