Set 5 - Impulse and Momentum

Set 5 - Impulse and Momentum - Sonia Rahangdale- PHY 231...

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Unformatted text preview: Sonia Rahangdale- PHY 231 Fall 2006 1 Set 05 (10/10 midnight) Due date: Tue Oct 10 23:59:00 2006 A 67.0 kg diver falls from rest into a swimming pool from a height of 6.90 m. It takes 1.86 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time. Tries 0/12 A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 7.23 m/s in 4.51 s. What is the magnitude of the linear impulse experienced by a 72.8 kg passenger in the car during this time? Tries 0/12 What is the average force experienced by the passenger? Tries 0/12 A 0.574 kg object is at rest at the origin of a coordinate system. A 2.27 N force in the positive x direction acts on the object for 2.17 s. What is the velocity at the end of this interval? Tries 0/12 At the end of this interval, a constant force of 5.95 N is applied in the negative x direction for 4.37 s. What is the velocity at the end of the 4.37 s? Tries 0/12 High speed stroboscopic photographs show that the head of a 190 g golf club is traveling at 59.6 m/s just before it strikes a 45.6 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 44.2 m/s. Find the speed of the golf ball just after impact. Tries 0/12 Find the speed at which Superman (mass=86.0 kg) must fly into a train (mass = 19483 kg) traveling at 100.0 km/hr to stop it....
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Set 5 - Impulse and Momentum - Sonia Rahangdale- PHY 231...

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