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A particle attached to a spring with k 50 N/m is undergoing simple harmonic motion, and its position is described by the equation x (5.7 m)cos(7.5t), with t measured in seconds.
(a) What is the mass of the particle?
(b) What is the period of the motion?
(c) What is the maximum speed of the particle?
(d) What is the maximum potential energy?
(e) What is the total energy?
A 779-kg car stopped at an intersection is rear-ended by a 1820-kg truck moving with a speed of 15.0 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find out the final speed of both vehicles ..
A 94 g stone is whirled in a horizontal circle on the end of a 73 cm long string. The stone takes 1.10 s to make each complete revolution. Conclude the angle that the string makes with the horizontal.
What is the magnitude of the magnetic forces on each of three sides?
To move a large crate of mass 30.05 kg across a rough floor, you push on it with a force at an angle of = 22.8° below the horizontal. Compute the acceleration of the crate if the applied force is 382 N and coefficient of kinetic friction is 0.486.
If the mass of a sliding block is tripled at the equal time the net on it is tripled, how does the resulting acceleration compare with original acceleration?
A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 15.0 m/s due north relative to the water. Illustrate what is the velocity of the boat relative to shore?
Two loudspeakers are mounted on a merry-go-round whose radius is 9.01 m. When stationary, What is the beat frequency that is detected by the listener when the merry-go-round is near the position shown
If the internal energy of a system increases as the result of an adiabatic process, Calculate the work done on or by the system in part (a) if its internal energy increases by 700J
A device uses a Stirling cycle on 433 moles of a monatomic ideal gas between two reservoirs with temperatures of 416 K, How much energy does this device transfer into the hot reservoir
A blue puck with a mass of 4.30×10?2kg , sliding with a speed of 0.190m/s on a frictionless, horizontal air table, Find the direction of the velocity of the red puck after the collision
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed, Determine the magnitude of the electron's centripetal acceleration
A standing wave is set up by reflecting radio waves from a large, flat metal dish. Where are the corresponding maxima in the magnetic field
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