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A ball is dropped from a height of 10 ft onto a level floor. If the coefficient of restitution is 0.9, how long will it take the ball to come to rest? Also, what is the total distance traveled by the ball.
A 750kg research submarine lies at the bottom of a lake. Its volume is 3.1*10^5cm^3. How much force is needed to lift it by a cable
What impulse Ft should be supplied to bring the ball to rest? If the ball is stopped in 0.03 s, what is the average force of the ball on the catcher's hand.
A liquid is flowing through a horizontal pipe whose radius is 0.0216 m. What volume flow rate will keep the pressures in the two horizontal pipes the same
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
A capillary-tube viscometer is being selected to measure viscosity of a liquid food, If the tube length is 10 cm and a maximum pressure of 25 Pa can be measured, determine the tube diameter to be used
A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers, What is the speed of the spaceship in terms of the speed of light
q1. the international space station orbits the earth at the average altitude of 362 km. assume that its orbit is
An automobile of mass 1500 kg moving at 25 m/s colides with a truck of mass 4500 kg at rest. What is the final velocity of the truck after the collision
An astronaut travels to the nearest start system. 10 light years away, and returns at a speed of 0.5c. How much has the astronaut aged relative to those people remaining on Earth?
In the Millikan oil-drop experiment, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates.
find the x and y components of the shell.
A parallel-plate capacitor has plates of area 177.0 cm2 and a separation of 1.85 cm. Find the capacitance before the slab is inserted
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