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Stopping a 747 A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.57×10^5 kg, its speed is 30.0 m/s, and the net braking force is 4.30 x 10^5 N ,
a.) what is its speed 6.82 s later?
b.) How far has it traveled in this time?
A bicycle is moving at a speed v = 4.26 m/s. If the radius of the front wheel is 0.450 m, how long does it take for that wheel to make a complete revolution.
Two masses traveling at the same speed v0 collide head on. Nothing is known about collision other than that it is not completely inelastic.
The distance between a node and the nearest antinode of a standing sound wave in air is 8.25 m. obtain the frequency of this wave
A small sphere with a mass of 1.0 g is suspended at the end of an insulating string of length 50 cm within a uniform horizontal electric eld of 12,000 N/C. What is the value of the charge on the small sphere
The coefficient of static friction between m1 and the horizontal surface is 0.60, and the coefficient of kinetic friction is 0.30. what will be the acceleration of the system
An asteroid is discovered heading straight toward Earth at 13 . An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 , after which the asteroid is moving at 29 to its original path at a speed of 18..
A golf ball strikes a hard, smooth floor at an angle of 30 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.047 kg, its speed is 45 m/s just before and after striking the floor. What is the magnitude of the impuls..
Two 9.00 µC charged particles are located on the x axis. One is at x = 1.00 m, and the other is at x = -1.00 m, Determine the electric field on the y axis at y = 0.500 m
A wooden block weighing 7 N is at rest on top of a wooden desk. The coefficient of static friction between the block and the desk is 0.41. Find out the minimum horizontal force required to move the block if the following occurs.
A boy scout ‘s girl scout girlfriend to test his scouting abilities has hidden her girl scout cookies somewhere in the forest and has given him the directions to retrieve them, How far away are the cookies
A particle starts at rest at point p and moves to point q with uniform acceleration, Find the distance between p and q. Also find the acceleration of the particle
The fastest pitched baseball was measured at 46 m/s, what force did he produce on the ball during this record-setting pitch
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