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A 55.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of21.0 m.
(a) What is the centripetal acceleration of the child?
(b) What force (magnitude and direction) does the seat exert on the child at the lowest point of the ride?
(c) What force does the seat exert on the child at the highest point of the ride?
(d) What force does the seat exert on the child when the child is halfway between the top and bottom?
A 60.0cm long hollow nichrome tube of inner diameter 2.20mm, What is the current in the tube
A highway curve has a radius of .58 km and is unbanked. A car weighing 36 kN goes around the curve at a speed of 36 m/s without slipping
A projectile is fired in such a way that its horizontal range is equal to 7 times its maximum height. What is the angle of projection
A potter's wheel moves uniformly from rest to an angular speed of 0.18 rev/s in 28.0 s, Find its angular acceleration in radians per second per second
Water flowing through a 2.00cm diameter pipe can fill a 280 L bathtub in 5.0 minutes. What is the speed of the water in pipe.
A football resting on the ground is kicked at an angle of 35.0° towards the uprights with an initial speed of 20.0 m/s
A train is traveling up a 5.0 degrees incline at a speed of 2.65 m/s when the last car breaks free and begins to coast without friction. How far did the last car travel before momentarily coming to rest
Two pure tones are sounded together. The periods of their pressure variations are 0.0151 s and 0.0159 s, What is the beat frequency
A river ?ows at a speed vr = 5.85 km/hr with respect to the shoreline. A boat needs to go perpendicular to the shoreline to reach a pier on the river's other side, determine the width of the river
Calculate the torque on the center of mass of the rod alone with respect to the pivot point.(in N*m)? Calculate the unknown mass.(in kg).
An alpha particle (the nucleus of a helium atom, with charge +2 and a mass four times that of a proton), What is the speed of the antiproton when the particles are 1.6 nm apart
Consider a small car of mass 1188 kg and a large sport utility vehicle (SUV) of mass 4360 kg. Find the speed of the small car
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