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A futuristic design for a car is to have a large disk-like flywheel within the car storing kinetic energy. The flywheel has mass 370 kg with a radius of 0.50 m and can rotate up to 200revs/sec. assuming all of this stored kinetic energy might be transferred to the linear velocity of the 1500 kg car, discover the maximum attainable speed of the car.
A soccer player kicks a rock horizontally off a 40.0 m high cliff into a pool of water. what was the initial speed given to the rock
a 2000 lbm automobile is driving down a level road at 70 mph. the engine is disengaged and the automobile is allowed to
A 320 piano slides 3.3 down a 24 incline and is kept from accelerating by the man who is pushing back on it parallel to the incline. Determine the work done by the man on the piano.
A steel ball (density = 7860kg/m^3) with a diameter of 6.8 cm is tied to an aluminum wire 88 cm long and 2.0 mm in diameter. Find the amount of stretch in the wire at the top of the circle
A 5-kg projectile is fired over level ground with a velocity of 200m/s at an angle of 25? above the horizontal. Just before it hits the ground its speed is 150m/s.Over the entire trip the change in the internal energy of the projectile and air is:
A 0.500 kg length of copper wire is warmed 30.0°C by the passage of electrical current. How much heat was generated by the current flow
question a student in a parked car honks the horn which has a proper frequency of 310 hz. an observer in an approaching
Magnetic resonance imaging needs a magnetic field strength of 1.5 T. The solenoid is 1.8 m long and 75 cm in diameter. It is tightly wound with a single layer of 1.70-mm-diameter superconducting wire.
What is the radius of the curve?
a man carries a 50 kg backpack up a flight of stairs. each step is 10.0 cm high and the man climbs 150 steps. he then
0.46mol of argon gas is admitted to an evacuated 30cm^3 container at 60C . The gas then undergoes an isochoric heating to a temperature of 500C. what is the final pressure of the gas
the displacement from hastings to kearney is 36 miles at 12* North of West. find Average Velocity from Hastings to Kearney
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