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Describe why Newton's Third Law of Motion is or is not involved in a car's tires slipping on ice as it drives around a corner.
a 55.9-kg skateboarder starts out with a speed of 1.83 ms. he does 98.3 j of work on himself by pushing with his feet
a billiard ball collides in an elastic head-on collision with a second identical ball. what is the kinetic energy of
the new river gorge bridge in west virginia is a 518 m long steel arch. how much will its length change between
A 10,000 kg railroad car is rolling at 1.5 m/s when a 4000 kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded
A rifle fires a 2.39 10-2-kg pellet straight upward, since the pellet rests on a compressed spring that is released when the trigger is pulled. The spring has a negligible mass and is compressed by 9.17 10-2 m from its unstrained length. The pellet r..
A proton (charge 1.6e-19C and mass 1.6e-27kg) is released from rest at 1m away from a very large flat insulator sheet which has a uniformly distributed charge with a charge density of -8.85 microCouloms/meter^2
A car traveling at 30 m/s suddenly encounters a 20o hill. The car is coasting with no power input. determine how far up the hill will the car go before it stops
A car is travelling with a velocity of + 88.0 km/h. It accelerates at a constant rate of 20 m/s2. If the acceleration lasts for 5.6s, what is the final velocity of the car.
Two boxes of masses m1 = 20.0 kg and m2=40.0 kg are connected by a rope through a pulley that has a uniform wheel of mass M=10.0 kg
An object is dropped from the top of a tower at a height of 44.1 m. How much time does the object take to reach the ground
The intensity of sunlight that reaches Jupiter (orbiting at about 5 AU) is approximately what fraction of that at Earths orbital distance.
A convex lens of focal length 5 centimeter is used as a magnifying glass. Obtain at what distance from a tiny insect should you hold this lens to get a magnification of +4.4
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