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Problem: A child ties a 100 gram rock to a string and whirls the string with the rock on it in a circle above his head so the plane of the circle is parallel with the ground.
Part A: If the circle is 25 inches in radius, and the rock is moving at 10 m/s, what is the tension in the string?
Please provide all steps and equations you used for above problem.
Two containers hold identical amounts of a monatomic gas at 20. Container A is rigid. What are the initial pressures in containers A and B
sometimes the laws of thermodynamics are summarized by saying1 you cant get something for nothing.2 you cant even break
Find out the acceleration of the sled and child
A woman once survived a fall of over six miles without a parachute when her plane exploded. What is this distance in meters
A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. find the maximum acceleration of the simple harmonic motion
A uniform cylinder of radius 11 cm and mass 24 kg is mounted so as to rotate freely about a horizontal axis that is parallel to and 4.6 cm, What is the rotational inertia of the cylinder about the axis of rotation
A empty sphere of radius 0.35 meter, with rotational inertia I = 0.052 kg m2 about a line through its center of mass, Determine what is its total kinetic energy now
A mini-fridge needs to maintain a temperature of 277 K. The air outside the mini-fridge has a temperature of 301 K. What is the coefficient of performance of this mini-fridge
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 345 N/C. At a distance r2 from the charge, the field has a magnitude of 120 N/C
An automobile moves at a constant speed over the crest of a hill. the driver moves in a vertical circle of radius 17.5m. at the top of the hill, she notices that she barely remains in contact with the seat. find the speed of the vehicle.
a slingshot fires a pebble from the top of a building at a speed of 15.0 ms. the building is 30.0 m tall. ignoring air
A full moon happens every 29.5 days. Determine the frequency in hertz of the full moon
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