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A 66.0 kg astronaut is stranded at a distance of 12.0m from his ship in free space. In order to get back to the ship, he throws a0.50 kg piece of equipment with a speed of 4.0 m/s directly awayfrom the space ship. How long will it take the astronaut to reach the ship?
A certain atom of has 77 protons. Assume that the nucleus is a sphere with radius 6.73 fm and with the charge of the protons uniformly spread through the sphere. At the nucleus surface what is the magnitude of the electric field produced by the proto..
The earth is 1.49*10^11 meters from the sun. If the solar radiation at the top of the earths atmosphere is 1340 W/m^2, what is the total power output of the sun
A 47.0 g golf ball is driven from the tee with an initial speed of 50.0 m/s and rises to a height of 25.6 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. J (b) What is its speed when it is 10.0 m below..
You are on an airplane traveling 30° south of due west at 100.0 m/s with respect to the air. What is the heading of the plane with respect to the ground
Two small spheres of equal mass m are suspended from strings of length L. When the two spheres are each given an equal charge q they separate by a distance x, swinging out an angle theta from the vertical
A 1.4Kg block and a 2.6kg block are attached to opposite ends of a light rope. what is the acceleration of the lighter block
A radar for tracking aircraft broadcasts a 12.0GHzmicrowave beam from a 2.00m -diameter circular radar antenna, What is the diameter of the radar beam at a distance of 30.0km
A machine componant is subjected to the forces and couples shown. The componant is to be held in place by a single rivet that can resist a force but not a couple. determiune the location of the rivet hole
In a certain laboratory experiment a steel ball is released from rest near the top of a 30 incline ramp from vertical height h above the end of the ramp. Determine the magnitude of the linear velocity of the center mass of the sphere at the bottom ..
A fox fleeing from a hunter encounters a 0.615 m tall fence and attempts to jump it. By how much does the fox clear the fence
question1a subway train starting from rest leaves a station with a constant acceleration. at the end of 9.34 s it is
In 1993, Javier Sotomayor set a world record of 2.45 m in the men's outdoor high jump. He is 193 cm tall, determine his takeoff speed
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