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A solid marble, a solid disk and a hoop have the same mass (M = 0.9 kg) and the same radius. Each object is held at rest at the same height and then released. At the bottom of the ramp is a loop-the-loop of radius 1 m. What is the minimum height that the marble, disk and hoop can be released so that all three will safely make it around the loop-the loop? At the top of the loop-the-loop, what is the force the track exerts on the hoop when released at the minimum height?
A 3.00-kHz tone is being produced by a speaker with a diameter of 0.160 m. find the change in the diffraction angle
The acceleration due to gravity on the Moon's surface is known to be about one-sixth the acceleration due to gravity on the Earth. find the mass of the Moon in terms of the mass of the Earth
Tarzan spies a 40kg chimpanzee in severe danger, so he swings to the rescue. He adjusts his strong, but very light, vine so that he will first come to rest 4.4s after beginning his swing,
A projectile is fired with an initial velocity of 20 m/s at 50° above horizontal. At the projectile's highest point, what is its velocity?.What is its acceleration?
Using their ship’s engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are at rest, 450 m apart. Explain how much time does it take for the ship and the asteroid to meet?
In a new (inelastic) collision, the same two bumper cars with the same initial velocities now latch together as they collide. What is the final speed of the two bumper cars after the collision
One of the wavelengths of light emitted by hydrogen atoms under normal laboratory conditions is at ?0 = 656.3nm in the red portion of the electromagnetic spectrum, How fast are the emitting atoms moving relative to the earth
Consider a particle of mass m moving freely in a two dimensional rectangular box with impenetrable walls. The dimensions of the box are ax and ay. Derive the wavefunction for the particle
An inductor, a capacitor, and a 64.0-? resistor are connected in series with an AC generator; what is the average power output of the generator
Three 10.53-g Styrofoam balls of radius 2 cm are coated with carbon black to make them conducting, Determine the absolute value of q
Two in-phase loudspeakers are some distance apart. They emit sound with a frequency of 1 kHz. What beat frequency do you observe
Migrating geese tend to travel in straight-line paths at approximately constant speed. How far is the goose from its original position
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