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A 97-kg astronaut and a 1100-kg satellite are at rest relative tothe space shuttle which is located 125 m away. To return to theshuttle, the astronaut pushes on the satellite and gives it a speedof 0.13 m/s directly away from the shuttle. After the push, how long does it take the astronaut to reach the shuttle?
A bicyclist starts from rest at the top of a 20-m hill and rolls down it without pedaling. find the bicyclist's speed at the bottom of the hill
An inventor claims that he has designed an engine which will produce a power output of 170kW while burning a unique fuel which releases 21,000kJ of heat in a minute. He states the upper and lower temperatures of the engine are 670K and 330K, respecti..
A sprinter explodes out of the starting block with an acceleration of 4m/s^2, which she sustains for 3 seconds. What is the length of the race
Two concentric current loops lie in the same plane. The smaller loop has a radius of 3.0 cm and a current of 12 A. The bigger loop has a current of 20 A. What is the radius of the bigger loop
An automobile accelerates from rest a 2.0 m/s2 for 20s.The speed is then held constant for 20 s, after which there is anacceleration of -3.0m/s2 until the automobilestops. What is the total distance traveled?
The earth is nearly three times the distance from the sun as the planet Mercury. How many times more intense is the intensity of the light from the sun at the earth compared to Mercury?
A drag racer crosses the finish line of a 304.8 m track with a final speed of 126 m/s. how long would it take to finish the race
the electric field of a charge is 1.37e07 nc at a distance 16.3 cm and points away from the charge. what is the sign
The hydraulic cylinder is subjected to 3 forces. An 8kN force is exerted on cylinder at B that is parallel to the cylinder and points from B towards C. The link AC exerts the force at C that is parallel to the line from A to C. The link CD exerts ..
Your refrigerator has a mass of 124.7 kg, including the food in it. It is standing in the middle of your kitchen, and you need to move it. The coefficients of static and kinetic friction between the fridge
a block with a weight of 3.2 n is at rest on a horizontal surface. a 1.1 n upward force is applied to the block by
A person sitting quietly in a room on a winter day may lose heat primarily by radiation from the outer surface of her clothes to the walls of the room. what is the temperature of the outer surface of the clothes
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