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Q1. With what speed should you toss a 130 ball straight up to hit the 15.0 -high roof of the gymnasium if you release the ball 1.10 above the ground? Solve this problem using energy.
Q2. A crate of 45.00 kg tools rests on a horizontal floor. You exert the gradually increasing horizontal push on it and observe that the crate just begins to move while your force exceeds 313 After that you must reduce your push to 208 N to keep it moving at a steady 25.0cm/s. A.) What is the coefficient of static and kinetic friction between the crate and the floor? B.) What push must you exert to give it an acceleration of 1.10 m/s^2? D.) Suppose you were performing the same experiment on this crate but were doing it on the moon instead, where the acceleration due to gravity is 1.62 m/s squared. What magnitude push would cause it to move? What will be its acceleration if you maintained the push in part b?
A caterpillar climbs up a one-meter wall. For every 3 cm it climbs up, it slides down 1 cm. It takes 10 minutes for the caterpillar to climb to the top. Compute the speed at which the caterpillar travels.
Write down the original position of the system
Light passes through a 230 lines/mm grating and is observed on a 1.0m wide screen located 1.3m behind the grating. Three bright fringes are seen on both sides of central maximum.
A Michelson interferometer uses light from glowing hydrogen at 486.1 nm. As you move one mirror, 530 bright fringes pass a fixed point in the viewer. How far did the mirror move.
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
What is the maximum speed the masses
Assume that, when Hiawatha aims vertically, his arrow reaches a maximum height of 20 m. Use this fact to find the initial speed u with which Hiawatha can launch the arrow vertically.
Find out the least compression of the spring
What is the total flux
Determine the power distribution in carrier and sidebands if the transmitted power is 1,000 W and mf = 1.
What is volume concentration
Calculate the volume charge density of the atmosphere
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