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The engine delivers 265 hp to an aircraft propeller at 2190 rpm.
(a) Determine how much torque does the aircraft engine provide?
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(b) Determine how much work does the engine do in one revolution of the propeller?
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An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized and has the charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion.
A piece of Nichrome wire has a radius of 5.50 10-4 m. It is used in a laboratory to make a heater that uses 3.00 102 W of power, estimate the necessary length of wire
atom X moves to the right at .99c and atom Y moves to the left at .99c according to an observer
A block of mass 5.0 kg slides 19 m from rest down an inclined plane making an angle of 22 o with the horizontal. If the block takes 10 s to slide down the plane, what is the retarding force due to friction?
A 1.80-kg particle moves in the xy plane with a velocity of v = (4.60i ? 3.20j ) m/s. Determine the angular momentum of the particle
In an action-adventure film, the hero is supposed to throw a grenade from his car, which is going 90.0 km/h. to his enemy's car which is going 110 km.h. The enemy's car is 15.8m in front of the hero's when he lets go of the grenade.
A 60 kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 0.7 m/s. determine her altitude as she crosses the bar
A dolphin wants to swim directly back to its home bay, which is 0.760 km due west. It can swim at a speed of 4.23 m/s relative to the water, but a uniform water current flows with speed 2.92 m/s in the southeast direction. What direction should th..
A satellite on a circular orbit of radius R around Mars has an orbital period of 10.0 hr. A second satellite is to be placed in a circular orbit so that its orbital period will be 5.00 hr. The radius of the orbit of the second satellite must be close..
a grinding wheel is in the form of a uniform solid disk of radius 6.99 cm and mass 1.97 kg. it starts from rest and
A proton moves 1.5 cm parallel to auniform electric field of E = 220N/C. How much work is done by the field on the proton?
Susan is driving north at 60 mph, and Shawn, driving East at 45 mph, are simultaneously passing through an intersection. find what was their velocity of approach to each other
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