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A ball dropped from a height of 4.00m makes an elastic collision with the ground. Assuming no mechanical energy is lost due to air resistance, (a) show that the ensuring motion is periodic and (b) Is the motion simple harmonic? Explain.
Both systems start from rest, and the direction of the force moves with the system and always points along the 4.00 m rod. What is the angular velocity of each system after 5.28 s.
A 3kg object attached to a spring oscillates on a smooth horizontal surface. calculate the spring force F(t) exerted on the object versus time t.
Discuss the relative merits of using the Biot-Savart law and Ampere's law to calculate the magnetic field around the wire. In this case, is it necessary to include the Maxwell correction to Ampere's law?
A laser beam is reflected by a plane mirror. It is observed that the angle between the incident and reflected beams is 22 degrees.If the mirror is now rotated so that the angle of incidence increases by 5.0 degrees, what is the new angle between t..
With what speed in miles/hr (1 m/s = 2.23 mi/hr) must an object be thrown to reach a height of 91.5 m (equivalent to one football field)
A soprano saxophone is an open pipe. If all keys are closed, it is approximately 65 cm long. Using 343 m/s as the speed of sound, find the lowest frequency that can be played on the instrument.
On a warm summer day (29?C), it takes 4.50s for an echo to return from a cliff across a lake. What is the temperature on the winter day
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 415 N and F2 = 354 N. What is the resultant of these two forces
A projectile is fired with an initial velocity of 20 m/s at 50° above horizontal. At the projectile's highest point, what is its velocity?.What is its acceleration?
One generator uses a magnetic field of 0.190 T and has a coil area per turn of 0.0425 m2. What magnetic field should be used in the second generator
A mass of 2 kg is attached to a spring with spring constant k=100 N/m. What is the period of oscillation for the mass
The positive muon , an unstable particle, lives on average 2.20×10?6 (measured in its own frame of reference) before decaying. what average lifetime is measured in the laboratory
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