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Determine what is the optimal speed (no friction required) for a van traveling around a banked curve that has a bank angle of 8.0o and a radius of 35 m? Explain what happens if the van travels slower than this speed? Explain what happens if the van travels faster than this speed?
The speed of light is 3 x 10^8 m/s. The sun is 93 million miles from earth. How many minutes does light take to reach the earth
A spring-block system executes simple harmonic motion. The mass of the block is m = 12 kg and the total energy is E = 18 J. The amplitude is A = 0:10 m.
The electric potential difference between two infinite, parallel metal plates is V. If the plates are separated by a distance L = 4.50 mm and the electric field between plates is E = 270 V/m, what is V.
Find the speed an alpha particle requires to come within 4.0x10-14 m of a uranium nucleus. Find the energy of the alpha particle
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.641 rev/s. What is the final angular speed of the merry-go-round
a popoular size of scuba diving take is 71.2 ft3 because this is the volume that the compressed air inside the tank
A bouncy ball of mass 81 g is thrown straight into a wall at the speed of 23 m/s. What is the impulse applied to the ball by the collision
A uniform, thin, solid door has height 2.40 m, width 0.900 m, and mass 22.5 kg. Find its moment of inertia for rotation on its hinges
Two astronauts of equal mass 70 kg are holding on to opposite ends of a straight rope in space. The length of the rope between them is 20 meters. What is the new angular velocity of the two astronauts
a particle of charge of 4.50 x 10-6 c is 12.0 cm distant from a second particle of charge of -2.00 x 10-6 c. calculate
A 75g bungee cord has an equilibrium length of 1.2 m. The cord is stretched to a length of 1.8m, then vibrated at 20 Hz. What is the spring constant of the bungee cord
the electron and proton of a hydrogen atom are separated on the average by a distance of approximately 5.3 x 10-11 m.
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