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A plane flies at 1.95 times thespeed of sound. Its sonic boom reaches a man on the ground 1.00 minafter the plane passes directly overhead. What is the altitude of the plane? Assume the speed of sound to be 330 m/s.
A gas fills the right portion of a horizontal cylinder whose radius is 5.57 cm. The initial pressure of the gas is 2.91 x 105 Pa. A frictionless movable piston separates the gas from the left portion of the cylinder that is evacuated and contains ..
A 2.0 microF capacitor and a 4.0 microF capacitor are connected in parallet across a 300V potential difference. Calculate the total energy stored in the capacitors
Find out an angle of the velocity vector
A piano wire with mass 3.45 g and length 77.0 cm is stretched with a tension of 33.0 N . A wave with frequency 100 Hz and amplitude 1.70 mm travels along the wire. Calculate the average power carried by the wave. What happens to the average power if ..
If a person hike 5 km north, 4 km to the east, 3 km to the north, 2km to the west, and 4 km to the south. What is the the distance the hiker traveled
a laser emitting at 632.8nm illuminates a double slit. a screen is positioned 2.00 m from the slits. interference
a cylinder with initial volume v contains a sample of gas at pressure p. on one end of the cylinder a piston is let
A car travels straight along the street from the grocery store to the post office
A bottle has a mass of 35.00 g when empty and 98.44 g when filled with water. When filled with another fluid, the mass is 88.78 g. What is the specific gravity of this other fluid
At one instant a bicyclist is 43 m due east of a park's flagpole, going due south with a speed of 12 m/s. Then 22 s later, the cyclist is 43 m due north of the flagpole, going due east with a speed of 12 m/s.
A 2.00 kg block hangs without vibrating at the end of a spring(k=500 N/m) that is attached to the ceiling of an elevator car. Thecar is rising with an upward acceleration of g/3 when theacceleration suddenly ceases (at t=0).
A single conservative force F(x) acts on a 3.2 kg particle that moves along an x axis. What is the mechanical energy of the system
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