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A 1000kg car, going around a circular track at 144km/h, experiences a centripetal force of 10,053N. Calculate the radius of the track.
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 34.3m/s2. Find the maximum height ymax reached by the rocket
A potter's wheel having a radius 0.55m and a moment of inertia 12.5 kg·m2 is rotating freely at 55rev/min. The potter can stop the wheel in 6s by pressing a wet rag against the rim and exerting a radially inward force of 68 N.
An object of mass 2.00 kg is held at a position A, a vertical height of 20.0 m above the ground. Point B is 8.00 m directly below A. Neglect air resistance and use g = 10.0 m/s.
A person pulls a 5 kg sled by a rope across (nearly frictionless) ice. The rope (and therefore the force) is oriented 40 degrees above the horizontal. What is the horizontal acceleration of the sled
The rope wrapped around the outer diameter of the disk is pulled at a constant speed of 1.06 m/s. find how fast does the hanging mass rise
An apple weighs 1.17 N. When you hang it from the end of a long spring of force constant 1.56 N/m and negligible mass, it bounces up and down in SHM. What is the unstretched length of the spring
question1a rocket with mass m is fired vertically upward. at an instant it reaches an altitude of 800m and a speed of
A technician wearing a circular metal band on his wrist moves his hand into a uniform magnetic field of magnitude 2.2 T in a time of 0.48 s. find the magnitude of the average emf induced in the band
q1. a gun shoots bullets that leave the muzzle with a speed of 326 ms. if a bullet is to hit a target 172 m away at the
Suppose that the force exerted by the heart on the blood entering the aorta is 3.25N and the surface area of the aorta is 3.15cm square. Calculate the pressure of the blood in the aorta
An "extreme" pogo stick utilizes a spring whose uncompressed length is 48 and whose force constant is 1.1×104. Calculate her upward acceleration, in g's at that moment
A 2.76-kg steel ball strikes a massive wall at 10.0 m/s at an angle of ? = 60.0° with the plane of the wall. find the average force exerted by the wall on the ball
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