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Moment of inertia Wheel If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.72rev/s, friction in the bearings causes the wheel to stop in just 12s. If the moment of inertia of the wheel about its axle is 0.30kg*m2, what is the magnitude of the frictional torque? Please show your work
A 0.38 kg iron horseshoe that is initially at 580°C is dropped into a bucket containing 21.8kg of water at 21 °C. What is the final equilibrium temperature (in °C)? Avoid any heat transfer to or from the surroundings. Do not enter units.
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from 0 to 5.80 m/s, What is the magnitude of the linear impulse experienced by a 74.0-kg passenger in the car during the time the car acceler..
on turning a corner ,a motorist rushing at 44m/s find a child on road 100m away. he applies the brakes so as to stop the motorcar within 1m of child. calculate the time required to stop.
A fisherman reels in 12 of line while landing a fish, using the constant forward pull of 35. How much work does the tension in the line do on fish.
A car was seen driving off the edge of a cliff at an angle of 10 ° above the horizontal. The cliff is 95m high and the car impacted the ground at a distance of 156m from the base of the cliff. What is the speed of the car.
Considering the equation for heat transfer through a wall, describe two simple ways to modify ahome to decrease the rate at which heat is lost through the walls.
If Wave B's amplitude is instead -13.4 mm, what is the amplitude of the wave pulse formed while they are interfering
A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path
A spherical cavity of radius 4.31 cm is at the center of a metal sphere of radius 15.0 cm, Determine the electric field at a point 3.06 cm from the center of the cavity
A race car has a mass of 718 kg. It starts from rest and travels 45.0 m in 3.0 s. The car is uniformly accelerated throughout the entire time. What net force is exerted on it.
A rocket is fired straight upward from rest with an acceleratrion of 5 m/s^2. It maintains acceleration until it is 1300 m above the ground, What is the Rocket's velocity, Find the total amound of time the rocket is in the air
The wheel of a car has a radius of 0.360 m. The engine of the car applies a torque of 327 N·m to this wheel, What is the magnitude of the static frictional force
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