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A particle starts from rest and accelerates as shown in the figure below. (a) Decide the particle's speed at t = 10.0 s. m/s Decide the particle's speed at t = 20.0 s? m/s (b) Decide the distance traveled in the first 20.0 s. (Enter your answer to one decimal places.)
A 78.05kg fisherman is sitting in his 33.25kg fishing boat along with his 13.49kg tackle box. What is the recoil speed of the fisherman and his boat
Suppose you are holding a circular ring of wire and abruptly thrust a magnet, south pole first, away from you toward the center of the circle. Is a current induced in the wire? Is a current induced when the magnet is held steady within the ring?
Two identical carts travel at 1m/s in opposite directions on a common horizontal surface. They collide head-on and are reported to rebound, each with the speed of 2m/s.
A 1000 kg cannon is pointed at 30 degrees to the horizontal. Its muzzle speed is 300 m/s. It fires a ball, mass 5 kg. At what angle and speed will the ball fly out
A parachutist of mass 50kg jumps out of an airplane at a hight of 1000m. The parachute deploys, and he hits the ground with a velocity of 5m/s. Find the average resistance on the parachutist
An object with mass m1 = 6.00 kilogram, rests on a frictionless horizontal table, Evaluate the acceleration of each object and the tension in the cable
A potential difference of 1.50 V will be applied to a 40.0 m length of 18-gauge copper wire (diameter 0.04 in.), find the rate at which thermal energy will appear in the wire
At the factory, a noon whistle is sounding with the frequency of 464 Hz. As a car travelling at 76 km/h approaches the factory, driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..
please include all units and conversions in calculations.over a time interval of 2.16 years the velocity of a planet
A simple ppendulum of length 2.5m makes 5.0 complete swings in 16s.What is the acceleration of gravity at the location of the pendulum
an ideal carnot engine has an efficiency of 25. if it were possible to run it backward as a heat pump what would be its
An astronaut is traveling to the Moon at a speed of 0.57c. When his spacecraft is1.9*10 8 m from the Moon, there is an explosion on the Moon. How long does it take for light from the explosion to reach the astronaut as gauged on the astronaut's clo..
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