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Q1. The pulley system is used to lift a 52 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to crate. assume the masses of the chains, pulleys, and ropes are negligible, conclude the force, the tension in the upper chain, and the tension in the lower chain, given that crate is rising with an acceleration of 2.8 m/s^2.
Q2. What is the body temperature in degree Celsius, if you had a fever of 106.5 degrees in Fahrenheit, what will it being in Kelvin and Celsius degrees also? What formula should I use to answer the problem?
The flywheel of an engine has a moment of inertia 2.80 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
How greatly time elapses before the compass hits the ground
A 29.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 85.0 N and is directed at the angle of 30.0° above the horizontal. Find out the coefficient of kinetic friction.
A heavy piece of hanging sculpture is suspended by a 146.0 cm long, 8.03 gm wire. When the wind blows hard, wire hums at its fundamental frequency of 113.0 Hz. What is the mass of the sculpture (in kg) assume that the local acceleration due to gravit..
A ball has fallen to the street below, and a passerby returns it by launching it at an angle of 53.0° above the horizontal at a point 26.0 m from the base of the building wall. The ball takes 2.20 s to reach a point vertically above the wall.
What is the coefficient of static friction
Intuitively, the man will not catch the bus unless he is running fast enough. In mathematical terms, there is a constraint on the man's speed so that the equation above gives a solution for that is a real positive number.
What is the horizontal distance the airplane engine falls. find out the time that was recorded on Earth.
Find out the lengths of acceleration and deceleration phases
How many homes could be heated with the waste heat
An iron tower in is 399 meters tall on a cold day (T = -6.7 degrees Celsius). What is its height of the tower on a hot day while the temperature is 31.5 degrees Celsius.
Write three methods of increasing the volume of a balloon
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