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You are at rest x = -1m and your friend is at rest at x = 1m. At t = 5 seconds, you begin accelerating in the negative x direction at 1.0m/s 2 on your high-powered scooter. At t = 10 seconds, your friend begins accelerating at 2.0m/s 2 in the negative x direction on hers. When and where does your friend catch up with you?
If a 350 kg object is moving with constant velocity 22 m/s due east, then what is the magnitude of the net force acting on the object
A flywheel has a constant angular deceleration of -2.99 rad/s2. Find the time required for the flywheel to come to rest
A projectile is fired horizontally from a gun that is 48.0 m above flat ground, emerging from the gun with a speed of 280 m/s. How long does the projectile remain in the air
A source of radio waves is emitted from the center point of our galaxy 1.9 x 104 light years away. Nine picowatts of power from these waves blanket the surface of the Earth facing the center point.
A woman is running at a constant velocity of 5 m/s in an attempt to catch a stopped bus 11m ahead of her. Though, it pulls away from her with a constant acceleration of 1 m/s2. How much time does it take her to reach the bus if she keeps running a..
The drawing shows a rectangular piece of wood. The forcesapplied to corners B and D have the same magnitude of 12 N and aredirected parallel to the long and short sides of the rectangle. Thelong side of the rectangle is twice as long as the short ..
A ship is heading off to Barnard's star at 0.700c. When it passed a space station(at rest with respect to the Earth) few days out from Earth, determine the direction and speed of each torpedo as seen by the station
In order for Sasha (in A-5) to feel weightless at the top of the ride, a) at what linear speed must the Ferris wheel tum? b) At this speed, how much would she appear to weigh at the bottom of the Ferris wheel.
A crate is sliding down a ramp that is inclined at the angle of 33° above the horizontal. The coefficient of kinetic friction between the crate and the ramp surface is 0.479. Find the acceleration of the moving crate.
During a particular thunderstorm, the electric potential differencebetween a cloud and the ground is Vcloud -Vground = 2.60*108 V, with the cloud being at the higherpotential. What is the change in an electron's electric potentialenergy when the el..
a moto-cross rider is airborn after a jump. Each wheel of his bike has a rotational intertia of .760 kg m2, What will his (bike and all) angular speed be after the wheel stops
a brass cylindrical bar at 300 k has a diameter of exactly 20 mm. an aluminum ring has an inner diameter which is
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