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A basketball (hollow sphere) with a mass of 4.2kgand a radius of 0.19mis on the top of a hill. The hill has a height of29m. The basketball (hollow sphere) is initially at rest at the top of the hill and then rolls without slipping down to the bottom of the hill.
What is the velocity of the basketball (hollow sphere) at the bottom of the hill?
The tallest spot on Earth is Mt. Everest, which is 8857 m above sea level. If the radius of the Earth to sea level is 6369 km, how much does the magnitude of g change between sea level and the top of Mt. Everest
The position of an object is given by the position r = 6.0 t^2 + 8.0 tj where r is in meters and t is in seconds. Determine the average speed between t1=1.0s and t2=2.0s
A 10.0-g wad of sticky clay is hurled horizontally at a 110-g wooden block initially at rest on a horizontal surface. what was the speed of the clay immediately before impact
a catapult launches a test rocket vertically upward from a well giving the rocket an initial speed of 80.2 ms at ground
What is the force of gravity 500 km above Earth's surface? Give your answers as a percentage of the force of gravity on Earth's surface.
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. How tall is the building that the child is standing on
On days of fair weather, the atmospheric electric field of the Earth is about 116 N/C; What is the surface charge density on the ground
A disk 15 cm in diameter rotates counterclockwise in a horizontal plane, accelerating uniformaly from 33 rpm to 45 rpm in 1 min. What is the angular acceleration of the disk?
A thin spherical shell has a radius of 2.8 m and a mass of 410 kg, and its center is located at the origin of a coordinate system. Another spherical shell with a radius of 1 m and mass 165 kg is inside the larger shell with its center at 0.6 m on the..
A spring has a force constant (k=18N/m). If it's compressed 50 centimeter from its original equilibrium length, determine how much mass will have gained
The frequency of a light wave is the same when the light travels in ethyl alcohol or in carbon disulfide. Find the ratio of the wavelength of the light in ethyl alcohol to that in carbon disulfide.
The Zacchini family was renowned for their humancannonball act in which a family member was shot from a cannon using either elastic bands or compressed air. what was the magnitude of the force propelling him
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