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A64-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. He would like to move toward his spaceship, but his jet pack is not functioning. He throws a720-g socket wrench with a velocity of5m/s in a direction away from the ship. After 0.50 s, he throws an800g spanner in the same direction with a speed of8m/s. After another 9.90 s, he throws a mallet with a speed of6m/s in the same direction. The mallet has a mass of1140g. How fast is the astronaut moving after he throws the mallet?
m/s
A baton twirler is twirling her baton in a horizontal circle at a rate of 3.35 revolutions per second. Calculate the induced EMF between the center and one end of the baton
Suppose that during the launch of a rocket from the surface of the earth, Determine the acceleration of the rocket
In an experiment to find out the muzzle velocity of your BB gun, you fire a BB straight up into a wooden block of mass 0.050 kg. How fast was the BB going just before the collision
On the planet Arrakis, a male ornithoid is flying toward his stationary mate at 24.0m/s while singing at a frequency of 1190Hz. what is the speed of sound in the atmosphere of Arrakis
A thin spherical shell of mass 0.300 kg and diameter 0.190 m is filled with alcohol. It is then released from rest on the bottom of a pool of water. Find the acceleration of the alcohol filled shell as it rises toward the surface of the water.
A ball has fallen to the street below, and a passerby returns it by launching it at an angle of 53.0° above the horizontal at a point 26.0 m from the base of the building wall. The ball takes 2.20 s to reach a point vertically above the wall.
A rectangular loop consists of N = 100 closely wrapped turns and dimensions a = 0.4m and b= 0.3m. What is the expected direction of rotation of the loop
What is coefficient of kinetic friction
A 0.45 caliber bullet (m = 10.7 g) is fired into a large block of wood (M = 0.750 kg) so that the bullet becomes lodged in the block. What is the speed of the block after the collision
A block of mass 4.6 kg slides 15 m from rest down an inclined plane making an angle of 28 o with the horizontal. what is the retarding force due to friction
A standing wave is set up by reflecting radio waves from a large, flat metal dish. Where are the corresponding maxima in the magnetic field
You hang the rod vertically and attach a 74 kg mass to the bottom, and you observe that the bar becomes 1.74 cm longer. From these measurements, it is possible to conclude the stiffness of one interatomic bond in titanium.
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