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A 300 kilogram block is lifted 25 meter vertically with acceleration of 2.0m/s2 by a single cable. Compute the following:
A. The tension in the cable.
B. The net work done on the block.
C. The work done by the cable on the block.
D. The work done by gravity on the block.
E. The final speed of the block assuming it started from rest.
The angle of incidence at a solid/liquid boundary is 65.3°, and the index of refraction of the solid is n = 1.71.(a) What must be the index of refraction of theliquid such that the direction of the light entering the liquid isnot changed?
If his arms are capable of exerting a force of 1400 on the vine, what is the maximum speed he can tolerate at the lowest point of his swing? His mass is 82, and the vine is 6.00 long.
A metal bar with a resistance of 30 ohms is rotated around its center in a magnetic field of strength 0.5 T, what is the electrical power dissipated in the resistor
a geostationary communications satellite orbits the earth directly above the equator at an altitude of 34800.
You are setting up two standing string waves. You have a length of uniform piano wire that is 3.0 m long and has a mass of 150 g. You cut this into two lengths, What should be the ratio of tensions
If one arm of a Michelson interferometer contains a tube 2.5 cm long that is ?rst evacuated and then slowly FIlled with air (n=1.0003)
A piece of copper wire has a resistance per unit length of 5.65 10-3 ?/m. The wire is wound into a thin, Find the magnetic field strength at the center of the coil
A 2.63g aluminum bullet at 31.9 degrees C is fired at a speed of 204 m/s into a large block of ice at 0 degrees C, in which it embeds itself. What quantity of ice melts
Water is moving at a speed of 7.55 m/s through a fire hose with an internal diameter of 5.99 cm. What is the gauge pressure of water in the hose
Can someone help me solve problem 181, chapter 12 from Engineering Mechanics statics and dynamics, 13th edition. The question is, simply, r = 4sin(2theta), theta = (3t^(3/2))rad. Determine the velocity and acceleration when theta = 60 degrees.
Two people are pushing on a box. One person pushes with a force of 5 N. The other person pushes in the same direction with a force of 4 N
As part of a safety investigation, two 1900 cars traveling at 23 are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.5 to stop, and (b) car that hits a concrete barrier and ta..
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