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A block of mass 2.0kg rests on top of another block of mass 5.0kg. The lower block is attached to a spring of stiffness K=240N/m and slides along a frictionless surface. Friction between the two blocks holds them together. The coefficient of static friction is 0.50
(a) Draw diagram showing all the forces on each block?
(b) What is the maximum amplitude of oscillations possible such that the block stay together?
A 9-g bullet is fired from a rifle. It takes 3.30 10-3 s for the bullet to travel the length of the barrel, find the average net force exerted on the bullet
The loop consists of a single turn of flexible conducting wire that is wrapped around a flexible mount such that the dimensions of the rectangle can be changed.
A cardinal (Richmondena cardinalis) of mass 3.80×10^?2 kg and a baseball of mass 0.145g have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
q1. what are the average velocity and acceleration of the tip of an hour hand of a clock in the interval of noon to
An engine is built to extract power from the temperature difference in the ocean. what is the maximum theoretical efficiency of such an engine
A kangaroo jumps vertical into the air and returns to the ground 2.00s later. How high did the kangaroo jump
The acceleration of gravity is 9.81 m/s^2. Assuming that air resistance is simply a constant 96 N force on the person during the fall, identify the person's velocity just before hitting the net. Answer in units of m/s.
A circular loop of flexible iron wire has an initial circumference of 167 cm, Find the magnitude of the emf induced in the loop after exactly time 7.00 seconds has passed since the circumference of the loop started to decrease
After two days, only one-quarter of a radioactive sample remains. What is the half life of the nuclei
A uniform disk with a mass of 1.0 kg and radius of 20 cm is rotating on frictionless bearings with a rotational speed of 10 rad/s, what is the mass of the clay
Unless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2. find the coefficient of kinetic friction between the ice and the puck
If 1 mol of oxygen is heated at a constant pressure of 1 atm from 10 C to 25 C. What is the change of volume of the gas in this process
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