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In an amusement park ride called The Roundup, passengers stand inside a 18.0 m-diameter rotating ring. After the ring has acquired sufficient speed, it tilts into a vertical plane, as shown in the figure . Suppose the ring rotates once every 3.70 s. If a rider's mass is 58.0 kg, with how much force does the ring push on her at the top of the ride? Suppose the ring rotates once every 3.70 s. If a rider's mass is 58.0 kg, with how much force does the ring push on her at the bottom of the ride? What is the longest rotation period of the wheel that will prevent the riders from falling off at the top?
As a space craft approaches a planet, the rocket engines on it are fired to slow it down so it will go into orbit around the planet. how long must the engines be fired
A 60 g ball is tied to the end of a 50 cm --long string and swung in a vertical circle. how far to the right does the ball hit the ground
You fly from Boston's Logan Airport, at sea level, to Denver, at an altitude of 1.6km. What is your gravitational potential energy at the plane's 13km cruising altitude
A uniform-density 8 kg disk of radius 0.20 m is mounted on a nearly frictionless axle. Initially it is not spinning. A string is wrapped tightly around the disk, and you pull on the string with the constant force of 45 N through a distance of 0.7 ..
Two blocks with masses M1=7.90kg and M2=1.20kg are attached by a thin string which goes over a frictionless, Calculate the magnitude of the frictional force acting on M1
A 10.0-g bullet is fired from a rifle having a barrel 0.60 m long. Choosing the origin to be at the location where the bullet begins to move, Find the speed of the bullet as it leaves the barrel
A toroidal solenoid has a mean radius of 10.0cm and a cross-sectional area of 4.8cm2 and is wound uniformly with 115 turns. What is the mutual inductance of these coils
what is the horizontal distance x to the base. find the average net force exerted on him in the barrel of the cannon.
five resistors are connected to a battery with an emf of 12 V and internal resistance of 1 ohm. calculate the external resistance of the circuit
What are the forces acting on the board due to the two supports as a diver of mass 63 kg stands at the end of the board over the water.
The radius of the moon is about 0.273 times the earth radius, its mass is about 0.0123 times the mass of the earth. Calculate your weight on the moon
A car (mass = 1170 kg) is traveling at 42 m/s when it collides head-on with a sport utility vehicle (mass = 2330 kg) traveling in the opposite direction
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