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A high diver leaves the end of a 5.0 meter high diving board and strikes the water 1.3 second later. She strikes the water 3.0 meter beyond the end of the board.
a) Find what is her initial velocity?
b) Find the maximum altitude she reaches with respect to the board.
c) Find the final velocity with which she enters the water.
A helicopter winches up an injured man from a boat. The man plus equipment has a mass of 111 kilogram. find the power expended by the helicopter's winch motor
The radius of the moon is about 0.273 times the earth radius, its mass is about 0.0123 times the mass of the earth. Calculate your weight on the moon
As a bacterium swims through water it propels itself with its flagella so as to overcome the frictional drag forces and move at, more or less, constant velocity of 100 micrometers/s for periods of time. If the frictional drag force on a bacterium is ..
A sinusoidal wave of wavelength 1.94 m and amplitude 0.0584 m travels with a speed of 0.878 m/s on a string. What is the maximum speed of any point on the string
question a proton has 1836 times the rest mass of an electron. at what speed will an electron have the same momentum as
A person with normal eyesight uses a converging lens of focal length 10 cm. At what distance from the job he must hold the lens
Suppose the uranium nucleus was at rest just before the decay. If the α particle is emitted at a speed of 1.74×107 m/s, illustrate what would be the recoil speed of the thorium nucleus?
a banner is suspended from a horizontal pivoted pole. the pole is 2.10 m long and weighs 170 n. the banner which weighs
An object, 0.75 cm tall, is placed 12.0 cm to the left of adiverging lens (f = -.8.00cm). A converging lens is placed 8.00 cmto the right of the diverging lens. The final image is virtual andis 29.0 cm to the left of the fiverging lens.
Unpolarized light with an intensity of 760 W / m2 is incident on a polarizer with an unknown axis. compute the angle between the axes of the polarizers
An Earth satellite has a speed of 29500 km/hr when it is at its perigee, 230 km above Earth's surface. Find the apogee distance, the speed at apogee, and the period of revolution.
questiona solenoidal coil with 24 turns of wire is wound tightly around another coil with 350 turns. the inner solenoid
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