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A mass of 0.40 kg, hanging from a spring with a spring constant of 80.0 N/m, is set into an up-and-down simple harmonic motion. If the mass is displaced from equilibrium by 0.10 m and released from rest, what is its speed when moving through the equilibrium point?
Evaluate the magnitude of N at the lowest point? If the wheel's speed is doubled, what is the magnitude FN at the highest and lowest point?
how much force is needed to stretch a spring k 1000 nm by 8 cm? a simple pendulum has a period t. if we double the
A 7.0mW laser beam has a circular cross section with diameter 0.80mm, What is the maximum radiation pressure that this laser can exert on a mirrored surface
a coil of wire is connected to an ideal 6.0-v battery at t 0. at t 10.3 ms the current in the coil is 200 ma. one
A wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite charge on the car. If a car has a 1000 kg mass and the ball is to be able to lift it from a distance of 1.00 m: (a) What minimum ..
A gem-quality diamond has a small flaw located 1 mm directly below one face. How far below the face does this flaw appear to an observer
A string is fixed at both ends and is vibrating at 119 Hz, which is its third harmonic frequency. Determine the length of the string
how long does it take electrons to get from a car battery to the starting motor? assume the current is 200 a and the
In one dimension, an inertial ball of mass 1 kg has a speed of 1.50 m/s to the right and another inertial ball of mass 3 kg has a speed of 2.00 m/s to the left. Find the velocity of the center of mass after the collision
The Cosmoclock 21 Ferris wheel in Yokohama City, Japan, has a diameter of 100 m. Find the speed of the passengers when the Ferris wheel is rotating at this rate (in m/s)
After a day of testing race cars, you decide to take your own 1478 kg car onto the test track. While moving down the track at 11.7 m/s, you suddenly accelerate to 28.8 m/s in 12.6 s. What average net force have you applied to the car during tha..
a loaded penguin sled weighing 90 n rests on a plane inclined at 20deg to the horizontal. between the sled and the
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