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An Atwood’s machine consists of two masses, m1 and m2,connected by a string that passes over a pulley. If the pulley is a disk of radius R and mass M, find(a) the acceleration of the masses, (b) the tension in the rope on the left side of the pulley,and (c) the tension in the rope on the right side of the pulley.
Gas is contained in a 6.00-L vessel at a temperature of 21.0°C and a pressure of 8.00 atm. Determine the number of moles of gas in the vessel
Why does the base of a shuttle cock always lead in motion when hit with a racket. what is grocery carts final speed.
Amorosa, who is on a balcony 40 m above the ground, throws the key to her heart at 37 degrees below the horizontal to Pedro on the ground. At what angle was the key moving when he caught it
q1. an artificial satellite circling the earth completes each orbit in 102 minutes. the radius of the earth is 6.38 106
Given two stars, one emits light with a peak wavelength at 400nm (deep blue to your eye) and one emits with a peak wavelength at 600nm (red). Obtain the temperature of each star
question the mean diameters of x and y two planets in the same solar system are 6.4 x 103 km and 1.2 x 104 km
Suppose you have a circuit consisting of a resistance R = 54 ?, an inductor with L = 36.4 mH and internal resistance r = 30 ?, What is the frequency of the damped oscillations of this circuit
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. What is the average power generated by the lifting force
A spherical balloon of volume 4.03 x10^3 cm3 contains helium at the pressure of 1.15 x10^5 Pa. How various moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x10-22 J.
The figure below shows particles 1 and 2, each of mass m, attached to the ends of a rigid massless rod of length L1 + L2, with L1 = 17 cm and L2 = 77 cm. The rod is held horizontally on the fulcrum and then released.
An air bubble has a volume of 1.50 cm3 when it is released by a submarine 100 m below the surface of a lake. What is the volume of the bubble when it reaches the surface
a spring has an equilibrium length of 17 cm and a spring constant of 59.9 N/m. the spring is connected to the underside of the roof of a car and a 0.294 kg block suspended from it
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