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Starting from rest, a 92-kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 840 N, and his speed at the bottom of the pole is 3.5 m/s. How far did he slide down the pole?
express the magnitude of the applied horizontal force.
A 1500 {rm kg} car skids to the halt on a wet road where mu_k = 0.50. How fast was the car travelling if it leaves 66-{rm m}-long skid marks.
Since the vehicles stick together after the collision and take the direction of the large truck (greater momentum), I guessed that the small car would have a greater change in kinetic energy.
Graphically determine the resultant of the following three vector displacements: (1) 24 m, 36? north of east; (2) 18 m, 37? east of north; Determine the resultant direction
When burned, 3.7 tons of coal releases the amount of energy that you use over the course of a year in the form of heat. How many tons of coal are required to provide you with your yearly energy use if you were to get that energy from a coal burnin..
A baseball is hit with a speed of 33.0 ms-1 at an angle of 56.0 degrees. It land's on the flat roof of a nearby building with a height of 13 m. If the ball was hit when it was 1.7 m above the ground, what horizontal distance does it travel before it ..
A transverse wave propagates in the positive x-axis with a wavelength of .3m and a period of .001s. What is the frequency and speed of this wave
the aorta is a major artery, rising upward from the left ventricle of the heart and curving down to carry blood to the abdomen, what is the magnitude (in m/s^2) of the blood's centripetal acceleration
A 0.44T magnetic field is perpendicular to a circular loop of wire with 52 turns and a radius of 17cm. what is the magnitude of the induced emf
A ball is thrown straight up in the air at an initial speed of 30 m/s. Using conservation of energy, find the maximum height of the ball
Estimate the number of water molecules in a 250cm^3 glass of water. Each molecule dimensions is about 3.0 x 10^-10m.
What is the size of the gravitational force that the Earth exerts on the Moon.
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