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Relative to the usual zero-point of energy at large separations, what is the gravitational potential energy for 195.8 kg satellite that is in low Earth orbit, at an altitude of h=312.8 km? Express your answer in Joules.
A blue car with mass mc = 449 kg is moving east with a speed of vc = 18 m/s and collides with a purple truck with mass mt = 1225 kg that is moving south with a speed of vt = 13 m/s. find the magnitude of the initial momentum of the car
A coil of wire is connected to a galvanometer. When a bar magnet is moved in and out of the coil, the galvanometer records a current. The current results because: pick the best answer? the coil acts like a transformer.
a diffraction grating is illuminated simultaneously with red light of wavelength 660 rm nm and light of an unknown
A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 11.0 m/s and accelerates at the rate of 0.450 m/s2 for 7.00 s. What is his final velocity
A transformer is designed to change 120 V into 10,000 V, and there are 164 turns in the primary coil. How many turns are in the secondary coil
A ball experiences a change in momentum of 12.5 N·s. If the time of interaction is 0.18 s, what is the magnitude of the average force acting on the ball
A 16.3 kilograms block rests on a horizontal table and is attached to one end of a mass less, horizontal spring. Find coefficient of kinetic friction between block and table
A 5.0 g hollow plastic ball is attached by a thread to the bottom of a beaker. When the beaker is filled with water so that the ball is completely submerged, the tension in the thread is 2.0 multiplied by 10-2 N. Decide the diameter of the ball.
bob has just finished climbing a sheer cliff above a beach and wants to figure out how high he climbed. all he has to
Mike is cutting the grass using a human-powered lawn mower. Calculate the work that Mike does on the mower in pushing it 9.1 m across the yard
A 1.00 kg block of copper at 20.0°C is lowered into a large insulated container of liquid ammonia at its boiling point (-33.3°C). determine the mass of liquid ammonia that boils away before thermal equilibrium
Three pucks have masses m1=100g, m2=125g, and m3=150g. The pucks with masses m1 and ms move with velocities v1=4.00m/s in the negative-y direction, what is the angular momentum of the system
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