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A car of mass 1572 kg collides head-on with a parked truck of mass 2000 kg. Spring mounted bumpers ensure that the collision is essentially elastic. If the velocity of the truck is 17 km/h (in the same direction as the car's initial velocity) after the collision, what is the initial speed of the car?
A cart with mass 310 g moving on a frictionless linear air track at an initial speed of 1.0 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. What is the speed of the two-cart center of mass
The motion of peg P is constrained through the lemniscate curved slot in OB and by the slotted arm OA.
What is difference between conducting and nonconducting charged sphere
question1a step-up transformer has 270 turns on its primary coil and 90000 turns on its secondary coil. the emf of the
With what tension should a rope with length 3.00m and mass 0.135kg be stretched for transverse waves of frequency 43.0Hz to have a wavelength of 0.720m. What torque does friction exert even as this wheel is slowing down.
At a playground you let your kid sister (30 kg) kneel on the surface (near the edge) of a 2.5 meter diameter merry-go-round. What is the constant angular acceleration
A simple pendulum with a period T = 2.00 s is attached to the ceiling of an elevator which is initially at rest, Calculate the period of oscillations when the elevator accelerates downwards
A rotating wheel requires 6.00 s to rotate 26.0 revolutions. What is the constant angular acceleration (in rad/s) of the wheel
A circuit consists of an ideal ac generator, a 25 µF capacitor, and an 85O resistor, all connected in series. Find the average power supplied by the generator
A 120-turn coil is coaxial with a solenoid of 220 turns/cm. What current is induced in the coil during the 25.0 ms
You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 48.7%u2218C. what is its temperature in degrees Fahrenheit
A skateboarder shoots off a ramp with a velocity of 6.80m/s, directed at an angle of 59° above the horizontal. The end of the ramp is 1.10 m above the ground.
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