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A motorcycle with a mass of 200 kg can accelerate from 0 to 30m/s in 3 seconds.
A. Assuming all of the force generated with the engine goes into acceleration of the motorcycle , how much force is the engine producing? Show your work.
B. What would happen if the coefficient of friction among the tire and the pavement increased greatly? Describe what would occur, including whether the acceleration of the motorcycle would stay the same, increase, or decrease, and tell why you think this is.
A French submarine and a U.S. submarine move toward each other during maneuvers in motionless water in the North Atlantic, What are the speeds of the U.S. and the French subs
The flywheel of an automobile engine is a solid disk with a mass of 9.0 kg and a radius of 19 cm and is rotating at 3900 rpm. compute to what height would the flywheel be lifted
The barricade at the end of subway line has a large spring designed to compress 2.00 m when stopping a 1.00 x 10^5 kg train moving at 0,500 m/s. What speed would the train be going
The electric potential inside a conducting sphere is 245V, and a distance d = 32.0cm from the surface of the sphere, obtain the radius of the sphere
A 70 kg window cleaner uses a 20 kg ladder that is 5.4 mlong. He places one end on the ground 2.2m from a wall, What is the angle of this force on the ladder
a 15 kg hoop of radius 1 m is spinning at a rate of 4 rotations per second, What is the speed in rotations per minute
A block of ice starts from rest on an apartment building's roof, which slopes at 41° below the horizontal. How far from the building does the block strike the ground
When its coil rotates at a frequency of 302 Hz, a certain generator has a peak emf of67 V. Decide the frequency of the coil's rotation when the peak emf of the generator is 170 V.
In exercise physiology studies, it is sometimes important to determine the location of a person's center of mass. This determination can be done with the arrangement shown in the figure below. A light plank rests on two scales, which read Fg1 = 365 N..
Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket.
Laboratory measurement examine that the normal wavelength of this spectral line is 486.133 nm. Is the star coming toward us or moving away from us? At what speed.
a helicopter flies over the arctic ice pack at a constant altitude towing an airborne 140-kg laser sensor that measures
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