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A wheel radius rotates at a uniform speed. If a point on the rim of the wheel has a centripetal acceleration of 1.2 m/s^2, determine what is the point tangential speed?
A 950kg car is at the top of a 40m -long, 2.5 degree incline. What the first car's speed would have been at the bottom had it not struck the second car
A nucleus is moving in the direction at 4.8x10^5 m/s when it decays into an alpha particle (4He) and a 234Th nucleus. what is the speed of the thorium nucleus
In a ballistics test, a 25 g bullet traveling horizontally at 1200m/s goes through a 30 cm thick 350 kgstationary target and emerges with a speed of 900 m/s. What average force does it exert on the target
the green blockb has a mass of 7.00 kg and is moving to the left at a speed of 2.60ms. the red block a has a mass of
a length of metal wire has a radius of 5. x 10-3 m and a resistance of 0.1. when the potential difference across the
An air-filled toroidal solenoid has a mean radius of 15.0 and a cross-sectional area of 5.02, What is the least number of turns that the winding must have
Light Bulbs in Series and in Parallel. Two light bulbs have resistances of 500 ? and 1000 ?. The two light bulbs are connected in series across a 110 V line. (a) Find the current through the 500 ? bulb. A Find the current through the 1000 ? bulb. ..
A car is parked at the top of a 52m -high hill. It slips out of gear and rolls down the hill. How fast will it be going at the bottom
A 10-kg box is at rest on a horizontal frictionless surface, at the end of an unstretched horizontal spring with constant k=4000 N/m, What is the speed of the box when it passes back through the equilibrium point
A 160 lb person has a mass of 160/32 = 5 slugs. A 160 lb person steps into an elevator and stands on a bathroom scale. Determine the scale reading for the given scenarios
A projectile fired from a gun has initial horizontal and vertical components of velocity equal to 30 m/s and 40 m/s, respectively. At what angle is the projectile fired
The tungsten filament of a light bulb has an operating temperature of about 2 100 K. what is the power output of the light bulb
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