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A 5.10 kg object on a horizontal frictionless surface is attatched to a spring with spring constant 880 N/m. The object is displaced from equilibrium 50.0 cm horizontally and given an initial velocity of 8.9 m/s back toward the equilibrium point.(a) What is the frequency of the motion?__ Hz(b) What is the initial potential energy of the block-spring system?__ J(c) What is the initial kinetic energy?__ J(d) What is the amplitude of the oscillation?__ m
The weight of a 1200 kgcar is supported equally by the four tires, which are inflated to the same gauge pressure. What gauge pressure is required
A 0.140 kg baseball is thrown horizontally with a velocity of 28.9 m/s. It is struck with a constant horizontal force that lasts for 1.85 ms, What was the magnitude of the horizontal force
A wire carrying a 2A current is placed at an angle of 60 degrees with the respect to a magnetic field of strength 0.2T. obtain the magnitude of the magnetic force acting on the wire
A spring with a spring constatn of 1200 N/m is placed at the bottom of an inclined plane with an angle of 30 degrees with the horizontal. how far up the incline plane will the block move before it stops
what is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.84m tall person standing vertically
A 5?, 10?, and 15? resistor are connected in parallel and the combination connected in parallel to a 15 V battery with negligible resistance. What is the current through the battery
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4m/s2. Find the maximum height ymax reached by the rocket
q1. 0.55 kg block of ice is sliding through you on the very slippery floor at 3.6 ms. as it goes by you give it a kick
A 3.70g bullet moving at 250m/s enters and stops in an initially stationary 3.50kg wooden block on a horizontal frictionless surface, How much work was done in stopping the bullet
What is the net entropy change
A 12 ohm resistor, 16 mH inductor, and 95 microFcapacitor are connected in series to a 30 V (rms) source having variable frequency. Find the heat dissipated in the circuit during one period
An RL circuit with L = 1.00 H and an RC circuit with C = 4.00 µF have the same time constant. What is this common time constant
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