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If the wheel on a car has a diameter of 50 centimeter and the car has a mass of 8.5 kilogram and it rolls down a hill without slipping. The height is 3.5 meter and the velocity when it reaches the end is 6.0 m/s, evaluate what is the wheel moment of inertia?
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 3.26 x 105 N. What is the work done on the jet by the catapult
A football kicker can give the ball an initial speed of 31 m/s. What are the (a) least and (b) greatest elevation angles at which he can kick the ball to score a field goal from a point 50 m in front of goalposts whose horizontal bar is 3.44 m above ..
A car is travelling at a constant speed of 31.1 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration mu..
Two skaters, one with mass 60 kg and the other with mass 44 kg, stand on an ice rink holding a pole of length 8.2 m and negligible mass. How far does the 44 kg skater move
A nonuniform horizontal bar of mass m is supported by two massless wires against gravity. What is the position of the center of mass of the bar
the largest railway gun ever built was called gustav and was used briefly in world war ii. the gun mount and train car
Determine the force acting on an electron moving at 2.5 x 10^5 meters per second when it enters a magnetic field perpendicular to its direction of motion
A uniform 2.95- kg spinning disk with a radius of 0.263 m is brought to rest by a brake-pad pressed against the side 0.205 m from the rotation axis. What frictional force was applied by the brake pad
A 16-kg rotating disk of radius 0.26m has an angular momentum of 0.30KGg * m^2/s, What is the angular speed of the disk
Why is it justified to say that the momentum in the horizontal direction is conserved over the collision interval? Is momentum conserved before and after the collision? Explain.
Bone has a Young's modulus of about 1.80 1010 Pa. Under compression, it can withstand a stress of about 1.55 108 Pa before breaking. Assume that a femur (thigh-bone) is 0.60 m long, and calculate the amount of compression this bone can withstand befo..
an airplane has a mass of 33500 kg and takes off under the influence of a constant net force of 37500 n. what is the
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