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At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 7.1 m above the water. One diver runs off the edge of the cliff, tucks into a "ball," and rotates on the way down with an average angular speed of 1.4 rev/s. Ignore air resistance and determine the number of revolutions she makes while on the way down.
A movie camera has a converging lens with a focal length of 80.0 mm. What is the height of the image on the film
two planes approach each other head-on. each has a speed of 720 kmh and they spot each other when they are initially
A train of mass 1500 metric tons runs along a straight track at 75 km/hr. What is the angular momenum of the train about a point on the track
A small box of mass 9 kg is placed on top of a large box with a mass 11 times that of the small box. find the magnitude of the frictional force acting on the small box
A coil with 50 turns (radius 15cm) with a total resistance of 4 ohms is placed in a uniform magnetic field directed perpendicularly to the plane of the coil. The magnitude of this field caries with the time according to B=Asin(alpha t) where A=80*..
A spring oscillator is designed with a mass of 0.132 kg. It operates while immersed in a damping fluid, Find the required damping constant for the system
heres a basketball problem a 80.2 kg basketball player is running in the positive direction at 7.4 ms. she is met
A knob on a turning table rotates circularly with a constant speed of 0.78 m/s in a cirlce with radius= 0.35m. What is the maximum acceleration of the shadow
The top of the pool table is 2.80 ft from the floor. The placement of the tape is such that 0 feet aligns to the edge of the table, At what speed did his pool ball hit the ground
The working substance of a certain Carnot engine is 1.0 mol of an ideal monatomic gas. During the isothermal expansion portion of this engine's cycle, the volume of the gas doubles, while during the adiabatic expansion the volume increases by a fa..
A stretched string fixed at each end has a mass of 40g and alength of 8.00m. The tension in the string is 49.N, What is the vibration frequency for this harmonic
A rocket burns fuel at a rate of 200 kg/s and exhausts the gas at a relative speed of 4.0 km/s. Find the thrust of the rocket
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