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A sphere of radius r starts from rest and rolls without slipping along a curved surface, dropping through a vertical distance of 0.596 m. Find the final speed v of the sphere's center of mass.
Speedboat A negotiates a curve whose radius is 198 m. Speedboat B negotiates a curve whose radius is 290 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A girl of mass 40 kg jumps with a horizontal velocity of 5 m s-1 onto a stationary cart with frictionless wheels. What is her velocity as the cart starts moving
A friend of yours is loudly singing a single note at 400 Hz as driving toward you at 250 m/s on a day when the speed of sound is 340 m/s
A student sits on a rotating stool holding two 4.0-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
A hydraulic lift in a garage has two pistons: a small one of cross-sectional area 3.60cm2, If this lift is designed to raise a 3300-kg car, what minimum force must be applied to the small piston
The wave function for a wave on a taut string is y(x,t) = 0.355 sin [(9)(pi)(t) - (3)(pi)(x) + (pi/4)], where x and y are in meters and t is in seconds. What is the energy contained in each cycle of the wave
Compute the Force of Friction (Ff) for a 5kg aluminium block being pulled with constant velocity (uniform motion), up the steel plank that is at a 30degrees angle to the horizontal.
What quantum number of the hydrogen atom comes closest to giving a 100- nm-diameter electron orbit, What is the electron's speed in this state
Two point charges, +3.18 µC and -6.65 µC, are separated by 1.13 m. What is the electric potential midway between them
Two teams of nine members each engage in a tug of war. The first team's members have average masses of 73 kg, What is the acceleration of the two teams
Consider the circuit shown in the figure below, where C1 = 2.00 µF, C2 = 9.00 µF, and ?V = 18.0 V. Calculate the final charge on each capacitor
question1the large quadriceps muscle in upper leg terminates at its lower end in a tendon attached to upper end of the
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