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An aircraft carrier has a speed of 13.0 m/s relative to thewater. A jet is catapulted from the deck and has a speed of67.0 m/s relative to the water. The engines produce a 1550-Hzwhine, and the speed of sound is 343 m/s. What is thefrequency of the sound heard by the crew on the ship?
An object of mass m is moving at a velocity u. This object collides with another object of mass m, find the final velocity for both the classical and relativistic case
Pulsars are neutron stars that emit X rays and other radiation insuch a way that we on Earth receive pulses of radiation from thepulsars at regular intervals equal to the period that they rotate.Some of these pulsars rotate with periods as short a..
A student is ice fishing in Colorado on a frozen lake over spring break. He cuts a circular hole in the ice that has a diameter of 0.50 m. Find the mass of the ice cut out to make the hole
The counterbalance w1 weighs 100 N. Find out the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
Two masses are connected by a string as shown in the figure. Mass = 2.1 rests on a frictionless inclined plane, what will be the resulting acceleration of the masses
An ac source of maximum voltage Vo=30 V is connected to a resistor R=50O, an inductor L=0.6 H, and a capacitor C=20 uF. What is the maximum charge on the capacitor
A circular loop of wire with a diameter of 0.626 m is rotated in a uniform electric field to a position where the electric flux through the loop is a maximum. At this position, an electric flux is 7.50 x 105 N×m2/C. find the magnitude of the elec..
What is the terminal speed at which the bar falls.
The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 x 10^8 km, and the earth travels around this orbit in 365 days. What is the radial acceleration of the Mercury
The tractor beam exerts a constant force of 4.0 104 N on the shuttlecraft. Both spacecraft are initially at rest. Explain how far does the starship move as it pulls the shuttlecraft aboard?
A pulley with a radius of 10.0 cm is mounted on an axle that passes through the center of the pulley. calculate the instantaneous angular speed of the pulley
The skier starts at a snow covered slope which is inclined 20 degrees above the horizontal. The skier has a mass of 100kg. How fast are is he going at the bottom
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