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A rock is shot vertically upward from the edge of the top of a tall building. The rock reaches its maximum height above the top of the building 1.60 s after being shot. Then, after barely missing the edge of the building as it falls downward, the rock strikes the ground 8.00 s after it is launched. In SI units:
(a) with what upward velocity is the rock shot,
(b) what maximum height above the top of the building is reached by the rock, and
(c) how tall is the building?
The sport with the fastest moving ball is jai alai, where measured speeds have reached 303km/h. If a professional jai alai player faces a ball at that speed and involuntarily blinks, he blacks out the scene for 100ms. How far does ball move throughou..
What is the velocity of the boat when it reaches the buoy.
A 210g ball is dropped from a height of 1.8m and bounces on a hard floor. How high does the ball rebound
An observer sees two spaceships moving in opposite directions, Find the speed of one spaceship relative to the other
A torque of 12 N * m is applied to a solid, uniform disk of radius 0.50 m. I f the disk accelerates at 5.6 rad/s^2, what is the mass of the disk
An ambulance siren is the source of sound emitted with a frequency of 1600 Hz. What is the frequency of the reflected sound wave heard at the ambulance
Two cars are travelling on a dirt road between 3 consecutive poles after 5.40s they are side by side at next telephone pole. The distance between the poles is 66.30m.
A sailboat race course consists of four legs, defined by the displacement vectors , , , and , as the drawing indicates. find the distance of the fourth leg and the angle
What is the Professors initial velocity. He is pushed a distance 3.00 m along the incline by a group of students who together exert a constant horizontal force of 595 N. The professor's speed at the bottom of ramp is 1.70 m/s.
The electron mass is 9×10?31 kg. What is the magnitude of the momentum of the electron
The Specific heat capacity at constant pressure of a gas varies with the temperature according to the expression: C_p = ( a + bT - c/T^(2) )
Consider the RLC series circuit with a 544 ? resistor, a 773 mH inductor (with negligible resistance) and a 810 nF capacitor in series, What is the peak voltage across the capacitor at this frequency
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