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A space probe is traveling in outer space with a momentum that has a magnitude of...
A space probe is traveling in outer space with a momentum that has a magnitude of 4.96 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.34 x 106 N and a direction opposite to the probe's motion. It fires for a period of 8.68 s. Determine the momentum of the probe after the retrorocket ceases to fire.
A space probe is traveling in outer space with a momentum that has a magnitude of 7.21 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.84 x 106 N and a direction opposite to the probe's motion. It fires for a period of 11.3 s. Determine the momentum of the probe after the retrorocket ceases to fire.
A space probe is traveling in outer space with a momentum that has a magnitude of 4.57 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.81 x 106 N and a direction opposite to the probe's motion. It fires for a period of 11.5 s. Determine the momentum of the probe after the retrorocket ceases to fire. What I got was: 25790000 kg*m/s
A 50.2-kg skater is standing at rest in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.44 m/s. Her hands are in contact with the wall for 0.717 s. Ignore friction and wind resistance. Find the average force she exerts on the wall (which has the same magnitude, but opposite direction, as the force that the wall applies to her). Note that this force has direction, which you should indicate with...
A 52.4-kg skater is standing at rest in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.53 m/s. Her hands are in contact with the wall for 0.992 s. Ignore friction and wind resistance. Find the average force she exerts on the wall (which has the same magnitude, but opposite direction, as the force that the wall applies to her). Note that this force has direction, which you should indicate with...
A 49.2-kg skater is standing at rest in front of a wall. By pushing against the wall she propels herself backward with a velocity of -2.32 m/s. Her hands are in contact with the wall for 1.17 s. Ignore friction and wind resistance. Find the average force she exerts on the wall (which has the same magnitude, but opposite direction, as the force that the wall applies to her). Note that this force has direction, which you should indicate with...
A 1230 kg unmanned space probe is moving in a straight line at a constant speed of 223 m/s. Control rockets on the space probe execute a burn in which a thrust of 3520 N acts for 70.4 s. (a) What is the change in the magnitude of the probe's linear momentum if the thrust is directed in the forward direction, so as to slow the probe? (b) What is the change in kinetic energy under the same condition? Assume...
A 2690 kg unmanned space probe is moving in a straight line at a constant speed of 198 m/s. Control rockets on the space probe execute a burn in which a thrust of 4520 N acts for 62.5 s. (a) What is the change in the magnitude of the probe's linear momentum if the thrust is directed in the forward direction, so as to slow the probe? (b) What is the change in kinetic energy under the same condition? Assume...
1) A 48.5-kg skater is standing at rest in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.46 m/s. Her hands are in contact with the wall for 1.00 s. Ignore friction and wind resistance. Find the average force she exerts on the wall (which has the same magnitude, but opposite direction, as the force that the wall applies to her). Note that this force has direction, which you should indicate...
7. A space probe (mass=4.85 x 10 kg) is drifting directly toward the moon in the +x direction) at a speed of 3.23 x 10 m/s. To correct its speed before going into orbit, a thruster rocket is fired in the -x direction; the magnitude of the force is 5.63 x 10' N. The speed after the thruster is fired is 2.87 x 10' m/s. a. Find the probe's momentum before the thruster is fired, as well as its momentum...