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A 22 gram rifle bullet traveling 410 m/s buries itself in a 4.8 kilogram pendulum hanging on a 2.6 meter long string, which makes the pendulum swing upward in an arc. Find the maximum vertical displacement of the pendulum (height). (g = 9.8 m/s2)
The radius of the earth's very nearly circular orbit around the sun is 1.5 x 1011 meter. Compute the magnitude of the earth velocity as it travels around the sun. Suppose a year of 365 days
Assume your eyes are located 16 cm below the top of your headand 172 cm above the bottom of your feet. You are standing 200cm in front of vertical wall. What is the length of the shortest mirror that can be hung on the wall to enable you tosee your..
A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is 1.75 m behind the double slit. The central maximum of the diffraction pattern has a width of 4.30 cm, and the fourth bri..
A 1.63 kg block of ice is sliding by you on a very slippery floor at m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with ice block for 0.005 seconds. The block eventually slides at the angle of 24 degre..
A brick is thrown vertically upward with an initial speed of 4.90 m/s from the roof of a building. If the building is 98 m tall, how much time passes before brick lands on the ground.
A factory worker moves a 28.0kg crate a distance of 4.80m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.300
A late night time talk show host drops a watermelon from the top of the studio. If the speed of the watermelon is 21 m/s when it hits the ground, how tall is the studio?
A planet with mass 7 x 1024 kg orbits a sun with a period of 1 Earth's years. The speed of the planet around that sun is constant and |v|=49600 m/s
Calculate the gravitational force on a spacecraft 8700km above the Earth's surface if its mass is 1200kg
At the tropics, the water close to the surface of the ocean is hotter than the deep water. Would the Second Law of thermodynamics be violated if a machine is been put to operate between these two water levels? Explain.
The sun is more massive than the moon, but the sun is farther from the earth. Which one exerts a greater gravitational force on a person standing on earth? Give the answer by determining the ratio Fsun/ Fmoon of magnitudes of gravitational forces.
how many electrons must be removed from each of two 5.0-kg. copper spheres to make the electric force of repulsion
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