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A 20cm-diameter, 6 kg bowling ball rolls without slipping along a horizontal floor at 4.0 m/s. The ball then rolls up 1.0m high, 30 degree ramp. Rolling friction is negligible. What is the ball's speed at the top of the ramp?
Relationships between wavelength, frequency and speed.
A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 845 Newton. Estimate what is the acceleration of the elevator
Calculate the X and Y components of a 1.00x102 gram force at an angle of 120 degrees and use mass weight units of grams
A narrow beam containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 2.60 cm thick flat piece of crown glass and back to air again. At what angles do the the two colors emerge from the glass
The orbital speed of a planet about its star is 2.8 104 m/s and its distance from the star is 1.6 1011 m. What is the magnitude of the force exerted by the star on the planet
a 55g horizontal metal bar 10cm long is free to slide up and down between two tall vertical metal rods that are 10cm
A 0.13 m segment of wire lies along the y-axis and carries a current of 3.8 A in the negative y direction. What is the force (magnitude and direction) on the segment of wire due to the magnetic field
a uniform electric field exists between two conducting plates separated by 1.9 mm. a dust grain with charge 65 nc nano
A(n) 331 g object is attached to a spring and executes simple harmonic motion with a period of 0.294 s. The total energy of the system is 1.7J. Find the force constant of the spring. (N/m) Find the amplitude of the motion (in cm)
a point charge 4.20 uc is held fixed at the origin. a second point charge 1.60uc with mass of 2.80times10-4kg is placed
a small ball rolls horizontally off the edge of a tabletop of height h. it strikes the floor a distance x horizontally
A car traveling at 93km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.75 m. What was average acceleration of the driver during the collision? Express the answer in terms of "g's," where 1.00g ..
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