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Two blocks are connected by a massless string which passes through a hole in a frictionless table. The blocks have masses M1 = 1.1 kg and M2 = 2.1 kg. Block 1 rests a distance r = 0.35 m from the center of the frictionless surface. Block 2 hangs vertically underneath. 1) Assuming block two does not move relative to the table and block one is rotating around the table, what is the magnitude of the velocity of the block one in m/s? 2)How much time in seconds does it take for block one to make one revolution?
The temperatures indoors and outdoors are 297 and 311 K, respectively. A Carnot air conditioner deposits 6.22 105 J of heat outdoors. How much heat is removed from the house?
After a 0.785 nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.53E+6 m/s, What was the Compton shift in the photon's wavelength
Sources A and B emit long-range radio waves of wavelength 440 m, What is the magnitude of the phase difference at the detector
a toy cannon uses a spring to project a 5.39-g soft rubber ball. the spring is originally compressed by 4.93 cm and has
To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the cornea-the front surface of the eye. Determine the radius of curvature of the cornea
A train (an engine and four cars) is accelerating at 1.60 m/s^2 . The mass of each car is 3.60 x 10^4 kg, What is the force of the first car on the second car
The ramp is slanted at an angle of 17.0 degrees to the horizontal. Illustrate what is the coefficient of kinetic friction between the block and the ramp?
A 0.55 kg book slides on ahorizontal table. The kinetic friction force on the book hasmagnitude 1.2 N. How much work is done on the book by frictionduring a displacement of 9.0 m to the left
In 0.975 s, a 14.1-kg block is pulled through a distance of 3.32 m on a frictionless horizontal surface, starting from rest. By how much does the spring stretch
A Carnot engine operates with an efficiency of 25.0% when the temperature of its cold reservoir is 263 K. Assuming that the temperature of the hot reservoir remains the same, what must be the temperature of the cold reservoir in order to increase ..
A 30g dart is shot straight up at 10 m/s . At the same instant, a 21g ball of cork is dropped from 2.8m above the dart. What is the speed of the cork ball immediately after it is hit by the dart
A 4kg mass rests on a tabletop and is attached to a spring with the spring constant 100N/m. find the equation of motion for the oscillator
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