A reckless coyote engineer straps on a pair of ice skates and attaches a rocket capable of producing 5.00 x 10' N of thrust to his back. Together, the coyote and the rocket have a mass of 1.20 x 10 kg. If the coyote starts at rest on level, frictionless ice and bends over such that the rocket thrust is parallel to the ice, what is his final •speed v if the rocket burns for 4.40 s? m/s

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Physics A catcher in a baseball game stops a pitched ball originally moving at 49.0 m/s49.0 m/s in the positive direction at the moment it first comes in contact with the catcher’s glove. After contacting the glove, the ball travels an additional 10.5 cm10.5 cm before coming to a complete stop. The mass of the ball is 0.145 kg.0.145 kg. What is the average force ?F that the glove imparts to the ball during the catch?

space a kg, including suit and oxygen tank. The tether line securing the astronaut to their spacecraft loses its attachment from the spacecraft while they are on a spacewalk. The astronaut is initially at rest with respect to the spacecraft, they then throw their 12.0 kg oxygen tank away from their spacecraft with a speed of 8.00 m/s in order to propel themselves back towards it. I) Calculate the maximum distance they can possibly be from the spacecraft and still return within 2.00 min (the amount of time the air in their helmet remains breathable). II) Which of Newton's law of motion explain best why this strategy works? (a) First (b) Second (c) Third

From 1946 through 1958, Col. John Stapp headed the U.S. Air Force Aero Medical Laboratory's studies of the human body's ability to tolerate high accelerations during plane crashes. Conventional wisdom at the time indicated that a plane's negative acceleration should not exceed 180 m/s2 (18 times gravitational acceleration, or 18g). Stapp and his colleagues built a 700-kg "Gee Whiz" rocket sled, track, and stopping pistons to measure human tolerance to high acceleration. Starting in June 1949, Stapp and other live subjects rode the sled. In one of Stapp's rides, the sled started at rest and 360 m later was traveling at speed 67 m/s when its braking system was applied, stopping the sled in 6.0 m. He had demonstrated that 18g was not a limit for human deceleration.   Find the time interval for Stapp and his sled to stop as their speed decreased from 67 m/s to zero.

Alex Morgan, one of America's best forwards, kicks a 450. g soccer ball that was moving towards her at a speed of 12.0m/s, the impact caused the ball to leave her foot with a velocity of 20.0 m/s in the opposite direction. a. If the impact lasted for 0.250s, what force (magnitude and direction) did Alex exert on the soccer ball? b. What is one thing that she could do to make the soccer ball have a larger change in momentum?

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Pretend you are standing on roller skates and toss a football. If the football has a mass of 0.3 kg and is traveling at 26 m/s, and you and your skates have a mass of 90 kilograms, what is your speed after you throw the ball? Assume no friction.  A: 0.087 m/s B: 7.9 m/s C: 87 m/s D: 9.8 m/s