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An astronaut and a satellite are at rest when the astronaut pushes off from the satellite with a velocity 4.5 m/s (relative to the satellite). If the mass of the astronaut is 60 kg and the mass of the satellite is 3.0 x 102 kg, what is the final speed of the satellite?
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
A 70 kg bicyclist rides his 7.8 kg bicycle with a speed of 16 m/s. How much work must be done by the brakes to bring the bike and rider to a stop.
Determine the magnitude and direction of the acceleration of the -1.2 μC charge when it is allowed to move if the other two changes remain fixed. 2.0 Times 105 m/s2.
A 1.10x10 kg car starts from rest and accelerates for 5.00s. The magnitude of the acceleration is a = 4.60 m/s . Determine the average power generated by the net force
A learner heats up a one-half liter (0.50 x 10-3m3) glass (Pyrex) beaker of cold coffee. Find how much coffee has spilled out of the beaker
An athlete swings a 3.60 kilogram ball horizontally on the end of a rope. Determine what is the tangential speed of the ball
one mole of oxygen gas is at a pressure of 5.30 atm and a temperature of 23.0degc.a if the gas is heated at constant
Two trains, each having a speed of 27 km/h, are headed at each other on the same straight track. What is the total distance (in km) the bird travels
An object weighs 294N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 240N. When it is immersed in oil, it weighs 258N.
In a typical game of squash, two people hit a soft rubber ball at a wall until they are about to drop due to dehydration and exhaustion. What will be the temperature increase of the ball after one bounce
A 53.6 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 16.0° above the horizont, If the coefficient of static friction is 0.510, what minimum force magnitude is required from the rope to start the crate mo..
To study the Doppler shift on your own, you take an electronic tone generating device that is set to a frequency of 1395 Hz to a campus wishing well known as "The Abyss." Estimate the time at which you can no longer hear the tuner
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