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A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.23 m/s. Three seconds later, the bicyclist hops on his bike and accelerates at 2.34 m/s2 until he catches his friend.
How much time does it take until he catches his friend?
How far has he traveled in this time?
What is his speed when he catches up?
What is the decibel level required for human perception
A baseball m = 0.56 kg is spun vertically on a massless string L = 0.94 m. The string can only support a tension of T = 9.4 N before it will break. What is the maximum speed at the top of the loop in m/s
the power company charges 10 cents per kilowatt-hour, explain how much will it cost to leave the bulb on for 30 days? Show your work.
A boat moves through the water of a river at 9 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.9 m/s, how long does it take the boat to make a round trip consisting of a 225 m displacement d..
You are part of a search-and-rescue mission that has been called out to look for a lost explorer. What minimum speed must the rocket have
Two converging lenses with focal lengths of f1 = 2.00 cm and f2 = 5.00 cm are situated 14.0 cm apart on a long optics bench. determine Is the final image real or virtual
Each railroad car has a mass of 91000 kg. Seven coupled railroad car moving with a speed of 4.9 m/s collide, What is the speed of all ten cars after the collision
A net force that is quadratically increasing in time is applied to an object. What is time dependence of the object's kinetic energy
a 0.40kg basketball is thrown horizontally against a board with a velocity of 20m/sec. If the ball rebounds with a speed of 15m/sec. What is the impulse of the ball
The moon has a mass of 7.36 1022 kg and moves about the earth in a circular orbit of radius 3.80 108 m with a period of 27.3 days. Find the moon's kinetic energy as observed on earth
In a double slit experiment, monochromatic light of wavelength 660 nm passes through a pair of slits separated by 3.40 x 10-5 m. find the angle corresponding to the first bright fringe
An L-R-C circuit, operating at 60 Hz , has an inductor with an inductance of 1.53x10^-3 H , What is the inductive reactance of this circuit
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