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A flat (unbanked) curve on a highway has a radius of 220 m. A car rounds the curve at a speed of 18.0m/s. What is the minimum coefficient of friction that will prevent sliding?
A skier is gliding along at 2.9 on horizontal, frictionless snow. He suddenly starts down a incline. His speed at the bottom is 11. How long does it take him to reach the bottom
It takes 2.30ms for the current in an LR circuit to increase from zero to 0.71 its maximum value, Determine the time constant of the circuit
q1. a meterstick is at rest in an inertial frame s2. if s2 moves with a speed of 0.7c with respect to a rest frame s1
A 0.58-kg object connected to a light spring with a force constant of 21.0 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
To Bounce a ping-pong ball into a cup at the other end of a table, what is the net force of the ball on the table
q1. a roller coaster 305 kg moves from a 5.00 m above the ground to b 23.0 m above the ground two non conservative
A siren at rest has a frequency f0. Standing at a crosswalk, a student hears a frequency f' from the siren in an approaching police car. find the speed of the car
a kangaroo jumps at an angle of 80deg above the horizontal with a velocity of 15 ms. if the mass of the kangaroo is 75
A U-shaped tube, open to the air on both ends, contains mercury. Water is poured into the left arm until the water column is 16.5cm deep.
A 2.0-kg block slides along a rough horizontal surface. A force(P=6.0N) is applied to the block at a 30degree angle. find the magnitude of the force of friction acting on block
Gas in a container is at a pressure of 1.1 atm and a volume of 6.0 m3. What is the work done on the gas if it expands at constant pressure to twice its initial volume
An electron in a vacuum is first accelerated by a voltage of 79900 V, what is the force on the electron due to the magnetic feild
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