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A car is accelerating while its horn is blowing. Just afterthe car passes a stationary person, the person hears a frequency of966.0 Hz. Fourteen seconds later, the frequency heard by the personhas decreases to 912.0 Hz. When the car is stationary, its hornemits a sound whose frequency is 1.00 x 103 Hz. Thespeed of sound is 343 m/s. What is the acceleration of the car?
A metal bar with a resistance of 30 Ohm is rotated around its center in a magnetic field of strength .5 T which is oriented perpendicularly to the plane of the bar's rotation. what is the electrical power dissipated in the resistor
Through a pipe 17.0 cm in diameter,water is pumped from the Colorado River up to Grand Canyon Village,located on the rim of the canyon. The river is at an elevation of564 m and the village is at an elevation of 2093 m.
q1. as part of a safety investigation two 1300kg cars traveling at 18ms are crashed into different barriers. find the
Find out the minimum acceleration of the antelope.
Just after each jumps, that person is moving away from the crate with a speed of 4.40 m/s relative to the crate.
q1. a stone is dropped into a deep canyon and is heard to strike the base 6.8 s after release. how deep is the canyon?
The 87?F capacitor in a defibrillator unit supplies an average of 6500 W of power, To what voltage is the capacitor charged
A large box with mass 45 kg is being pushed up a ramp at a 32o incline at a constant velocity by a man pushing parallel to the incline for 7.80 m, determine The force the man is pushing on the box
A toy of mass 0.155 kg is undergoing SHM on the end of a horizontal spring with forces constant 305 N/m. When object is a distance 1.20×10-2 m from its equilibrium position, it is observed to have the speed of 0.255 m/s.
An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their temperatures change by the same amount. What is the coefficient of volume expansion of the liquid
A diver springs upward with an initial speed of 7 m/s from a diving board that is 2 m above the water. Find the total time the diver is airborne
In the equation, m1 = 11.0 kg and m2 = 3.5 kg. If the system is set in motion with m2 moving downward, what will be the acceleration of the system
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