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A 11.8-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10.8 m/s, determine the following.
(a) the translational kinetic energy of its center of gravity
J
(b) the rotational kinetic energy about its center of gravity
J (c) its total kinetic energy
A sinusoidal voltage ?v = (85 V) sin (200t) is applied to a series RLC circuit with L = 40 mH, C = 145 ?F, and R = 30 ?. What is the impedance of the circuit
What are the first, second, and third frequencies audible from a 20cm long organ pipe when (1) only one end is open and when (2) both ends are open. The speed of sound through the air inside the organ pipe is 343 m/s. (Hint: if a harmonic does not..
Transverse waves with a speed of 59.0 m/s are to be produced on a stretched string. A 4.95-m length of string with a total mass of 0.0600 kg is used. (a) What is the required tension in the string? N (b) Calculate the wave speed in the string if t..
A force of 2 N is applied to a stationary 5 kg block for 0.3s. What is the speed of the block after the force is applied
A 7.50-nC charge is located 1.80m from a 4.20-nC charge, find the magnitude of the electrostatic force that one particle exerts on the other
A 70·kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 37.0° above the horizontal. What is the total work done on the box by all forces
On a dry day, just after washing your hair to remove natural oils and drying it in detail, run a plastic comb through it. Small bits of paper will be attracted to the comb. Describe why.
The electric potential at a position located a distance of 21.6 mm from a positive point charge of 8.70×10-9C, estimate the value of the second charge
The velocity of a ball changes from m/s to m/s in 0.02 s, due to the gravitational attraction of the Earth and to air resistance. What is the rate of change of momentum of the ball
a 11.00 kg block starts from rest at the top of a 25.0 meter long 30.0 degree incline. Its kinetic energy at the bottom of the incline is 1347.5 J
Consider an AC power supply that provides a voltage of 27sin(119t)volts, where t is in seconds. The power supply is hooked up to a 195 resistor. What is the mean current through the resistor
When light from your desk lamp passes through a 45-mm focal length lens, How far is the desk lamp from the lens
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