A 100 kg cart rests on a frictionless surface. A net force of 125 N acts on the cart over a distance of 3.0 m. What maximum speed does the cart reach? Round your answer to the nearest hundredth. 7.50 m/s 2.4 m/s 2.74 m/s 2.7 m/s 3.75 m/s
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- Sam (75 kg) takes off (from rest) up a 50-m-high, 10° frictionless slope on his jet-powered skis. The skis have a thrust of 200 N. The thrust is turned off at the end of the ramp. How far does Sam land from the base of the cliff? Start 10⁰ 50 m 10⁰You throw a ball on planet X where g is not the same as on Earth. The figure below shows the vertical velocity of the ball after it leaves your hand. Air resistance is not important. v(m/s) 18.0 12.0 6.0 -6.0 -12.0 -18.0 1.0 2.0 3.0 t(s)You want the final speed at the bottom of your roller coaster hill to be 25 m/s. What is the height (h) of the hill to achieve this? Use g = 9.8 m/s2
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