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Two blocks of masses m1 and m2 are connected by an ideal string passing over an ideal pulley. The block of mass m2 slides along a ramp where there is NO friction. The block of mass m1 only touches the string, and is moving upwards initially. The angle of the ramp is theta=53 degrees. Find the acceleration of the blocks in terms of symbols m1, m2, theta, and constants like g. Look at limiting value of m2 to see if answer makes sense. Find a relation between the variables that would guarantee that the block is initially slowing down.
A 10-m plank is being moved by rolling it over two cylindrical logs placed 2 m from either end of the plank. How far can the plank be moved before the rear log reaches the end of the plank
Consider a cylinder of Volume V=10cm^3 that contains an ideal gas. Compute the total number of gas molecules inside the cylinder
a harmonic wave is traveling along a rope. it is observed that the oscillator that generates the wave completes 43.0
An apple weighs 1.17 N. When you hang it from the end of a long spring of force constant 1.56 N/m and negligible mass, it bounces up and down in SHM. What is the unstretched length of the spring
question1an automobile having a mass of 1000 kg is driven into a brick wall in a safety test. the bumper behaves like a
questiona. draw one diagram showing plan view footprint of the building and nearby obstacles and others showing the
As a small aircraft approaches a landing strip, it is flying along horizontally at constant (low) altitude, What is the weight of the plane? Air density = 1.29 kg m-3
Two tanks are engaged in a training exercise on level ground. The first tank fires a paint-filled training round with a muzzle speed of 240m/s at an angle 13.4, Find the distance between the tanks when the round was first fired
a 2.0 meter long string that has a mass of 24.0 grams is under 45 n of tension. a sinusoidal wave with an amplitude
galaxy b moves away from galaxy a at 0.505 of the speed of light. galaxy c moves away from galaxy b in the same
Consider Joule's experiment described in the insight below. Assume the mass m = 2.5 kg and the fluid is water with a volume of 1.19 L. What is the increase in the temperature of the water
A car traveling east and a minivan traveling south collide in a completely inelastic collision at a perpendicular intersection. What is the direction of the velocity of the vehicles immediately after collision
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