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A police car with a frequency of 1600 Hertz is following the getaway car. Both are traveling 25 m/s in the similar direction. Find what frequency will the bank robbers hear?
(Hz)
a railroad engine weighs three times as much as a freight car. if the engine coasts at 9 km per hour into a freight
Water is supplied to an office building 41.5 m high through a pipe at ground level. Find the minimum pressure in the supplypipe so that water can reach the top floor of the building.
If the ball rebounds with the same speed and angle, what was the magnitude of the impulse delivered to it by the floor
An electron moving along the x axis has a position given by x = 16 te-t m, where t is in seconds. How far is the electron from the origin when it momentarily stops
A spherical steel ball bearing has a diameter of 2.54 cm at 22 degrees. what is the diameter as its termperature is raised at 88 degrees celcuis.
A large storage tank is filled to a height 88 cm. The tank is punctured with a small hole at a height 21 cm from the bottom of the tank. How far from the tank will the stream land
A 357-g object is attached to a spring and executes simple harmonic motion with a period of 0.220 s. If the total energy of the system is 4.79 J, find the following. (a) the maximum speed of the object m/s (b) the force constant of the spring N/m (c)..
Two wheels have the same mass and radius of 5.0 kg and 0.39 m,respectively. Find the net external torque thatacts on each wheel
In a game of pool, a cue ball with an initial velocity of 1.50 m/s directed to the right (along the +x-axis) collides with the five ball, Find the cue ball's final velocity
Find equation for the ground state energy for a particle in a spherically symmetric potential well,V(r) = -ad(r-a), and show that the bound state appears only when a is greater than some critical value.
A bullet is fired into a large stationary absorber and comes to rest. Temperature measurements of the absorber show that the bullet lost 2080 J of kinetic energy, What is the mass of the bullet
A geiger-muller tube is a type of gas-filled radiation detector. It can detect particles like X-rays, alpha particles and beta rays (electrons). what is the density of the gas in this geiger tube
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