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A jogger takes 49 minutes to run 22 times around a track that measures 0.25 mile.
A) What is her displacement?
B) What is her average velocity in mph and m/s?
C) What is her average speed in mph and m/s? (1 mph = 0.447 m/s and 1 mile = 1609 meters)
A 1.00kg mass oscillates according to the equation x=0.600cos8.50t, where x is in meters and t is in seconds. Determine the kinetic energy when x = 0.360m
While an elevator of mass 824 kg moves downward, the tension in the supporting cable is a constant 7736 N, What is the elevator's speed at t = 4.10 s
A plane flies from base camp to Lake A, 300 km away in the direction 36.9° south of east. After dropping off supplies it flies to Lake B, which is 260km at 30.0° west of north from Lake A. find out the distance and direction from Lake B to the bas..
You've been walking at a steady, and rope pulls up on the sled at a 21 angle. You estimate that the mass of the sled, with your friend on it, is 64 and that you're pulling with a force of 84.0.
What is an amplitude at a point where two pulses are crossing if the end at which reflection occurs is free to slide up and down.
A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate, What is the coefficient of kinetic friction between the ramp and the crate
you accelerate your car starting from rest. while the car is increasing its speed, the frictional force acting from the road on the tires? A) directed backword, opposing the motion B)IS directed vertically uo, C) is directed forward, in the direct..
A uniform meter stick with a mass of 205 g is supported horizontally by two vertical strings, one at the 0 cm mark and the other at the 90 cm mark. what is tension on the string at the 0 cm mark and at the 90 cm mark.
a ball (mass=m) moving in the positive x direction with speed v collides with a block (mass=M) initially at rest, compute the mass of the block
Two loudspeakers are placed next to each other and driven by the same source at a frequency of 570Hz. A listener is in front of the speakers and on the line separating them.
You push with a horizontal force of 50.0N against a 24.0N box, pressing it against a rough wall to hold it in place. what is the friction force of the box
If a pipe wrench of length 18 cm is positioned vertically on pipe, with the handle pointing up, and a force of 150 N, what is the torque on the pipe
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