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The maximum speed of a 2.5-kg mass attached to a spring is 0.55 m/s, and the maximum force exerted on the mass is 11 N.
(a) What is the amplitude of motion for this mass?
m
(b) What is the force constant of the spring?
N/m
(c) What is the frequency of this system?
Assume that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision.
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you find in part (a). Illustrate what should be the maximum speed of the car so it can round the curve safely?
A person with a mass of 103 kg is standing on a scale that reads weight in newtons inside of an elevator. If the elevator accelerates upward at 3.2 m/s2, what does the scale read.
The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.03 N on Earth. (a) What is the weight of the apple on the Moon? (b) What is the mass of the apple?
A light ray is incident upon a plane interface between two materials. The ray makes an incident angle with the normal to the surface of 39 degrees in a material, find thev refracted angle (in degrees) in that material
A long solenoid that has 1,060 turns uniformly distributed over a length of 0.395 m produces a magnetic field of magnitude 1.00 10-4 T at its center
If the water in the river is flowing at 3.0 m/s, explain how long does it take the boat to make a round trip consisting of a 250 m displacement downstream followed by a 250 m displacement upstream?
You roughly estimate that the roommate shines light rays on to the water at an angle of 52.1°. You know that air has an index of refraction of 1.0. Determine the index of refraction of the unknown liquid
It collides with and sticks to the spring, which is compressed by 2.50 cm in bringing the block to a momentary halt. Assuming air resistance is negligible; from what height (in cm) above compressed spring was the block dropped.
A railroad car of mass 2.52 104 kg is moving with a speed of 4.06 m/s. It collides and couples with three other coupled railroad cars, How much mechanical energy is lost in the collision
What is the total mass of the reagents used in the combustion throughout the 30 days . The ball makes 17 oscillations in 16 seconds. What is it the mass of the ball.
A uniform steel plate has an area of 0.905 m2. When subjected to a temperature difference between its sides, a heat current* of 22.5 kW is found to flow through it. What is the temperature gradient? What is the temperature difference when the plat..
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