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A solid uniform sphere and a uniform spherical shell, both having the same mass and radius, roll without slipping down a hill that rises at an angle ? above the horizontal. Both spheres start from rest at the same vertical height h. How fast is each sphere moving when it reaches the bottom of the hill?
v solid =
v hollow =
A m = 3 kg steel ball strikes a wall with a speed of v = 10 m/s at an angle of ?i = 60? with the surface. Determine the impulse given to the ball
A copper pipe with an outer radius of 0.011 m runs from an outdoor wall faucet into the interior of a house. Find the inner radius of the pipe
What is the value of g at the location of this satellite?
A spherical object with a moment of inertia of 0.482mr2 starts from rest rolling down a 3.14-m high incline. what is its linear speed at the bottom of the incline
A man strikes a long aluminum rod at one end. Another man, at the other end with his ear close to the rod, How long is the rod
Asterix and Obelix are standing on skateboards on level ground 2 m apart. Obelix holds a ball of mass 1 kg. in which direction will the center of mass move
In a hot star, because of the high temperature, an atom can absorb sufficient energy to remove several electrons from the atom. Find the wavelengths of the next three spectral lines nearest to the line of longest wavelength
an auditorium measures 40.0m X20.0 m X 12.0 m. The density of air is 1.20 kg/m^3. find the weight of air in the room
Mountaineers often use a rope to lower themselves down the face of a cliff (this is called rappelling). They do this with their body nearly horizontal, What tension does his rope need to support
A man weighing 720 N lies on a bed of nails. Calculate the pressure exerted on the skin by an acupuncture needle of radius 0.100 mm applied with a force of 5.20 N
Calculate its average velocity for the entire trip. A horse canters away from its trainer in a straight line, moving 120 m away in 15.0 s. It then turns abruptly and gallops halfway back in 5 s.
In preperation for building a space station, an astronaut removes a self-teliscoping uniform rod form the cargo bay and releases it, What is the angular speed after the catch slips
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