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An 10-kg ball moving at 22 m/s collides elastically and head-on with a second 6-kg ball moving in the opposite direction with -15 m/s. What is the speed of the first ball after the collision? Give y
A coil of wire is connected to an ideal 6.0-V battery at t = 0. At t = 10.3 ms, the current in the coil is 200 mA. One minute later, the current is 276 mA. Calculate the inductance of the coil.
A solenoid is made of 283 turns of wire, wrapped around a hollow cylinder of radius 1.30 cm and length 6.78 cm. What is the self-inductance of the solenoid?
An 10-kg ball moving at 22 m/s collides elastically and head-on with a second 6-kg ball moving in the opposite direction with -15 m/s. What is the speed of the first ball after the collision? Give
The magnetic field of a cylindrical magnet that has a pole-face diameter of 3.3 cm can be varied sinusoidally between 29.6 T and 30.0 T at a frequency of 15Hz. At a radial distance of1.7cm, what is
Each of whose components is an independent, random variable distributed as a Gaussian distribution with variance (sigma)^2. That is, let u denote the length of v and find P(u)du. Graph your answer,
Find the maximum height reached by the block on the curved rise.
Assuming that the magnetic field of the earth has a magnitude of 5E-5T at the Equator and is parallel to the surface of the Earth and that the current in the wire flows toward East, what current is
A bracken fern spore produces an image that is 7.5 cm tall when placed before a converging lens of focal length 5.0 cm. If the spore's true height is 1.5 mm, how far from the lens was it placed?
From the second law of motion and the gravitational force law calculate the following: a) What is the satellites velocity?
A binary star system consists of two equal mass stars that revolve in circular orbits about there center of mass. The period of the motion, T= 24.7 days and the orbital speed v=220 km/s of the stars
Part (a) Write an expression for the magnitude of the velocity of the student, vs, after throwing the book. Part (b) Solve for the magnitude of the velocity of the student, vs in m/s?
A rock of mass m = 1.35 kg is dropped from a height of h = 2.7 m into a pool of water. At a time of t = 1.37 s after striking the surface of the water, the rock's velocity has decreased by 50%. Part
A student m = 97 kg runs at a velocity vi = 2.85 m/s before jumping on a skateboard. After jumping on the board the student has a velocity vf = 2.35 m/s. What is the mass of the skateboard in kg?
A coal car m1 = 3411 kg is rolling down the tracks at a velocity of vi = 2.6 m/s when a loader drops a load of coal m2 = 5411 kg into the car. Part (a) What is the momentum of the system in kg m/s b
Part (a) Write an expression for the magnitude of the velocity of the student, vs, after throwing the book.
Part (a) What is the magnitude of the average force the rock experiences, F in Newtons, during the time t?
A student m = 97 kg runs at a velocity vi = 2.85 m/s before jumping on a skateboard. After jumping on the board the student has a velocity vf = 2.35 m/s. Part (a) Write an expression for the weight
A BB gun is fired at a cardboard box m2 = 1.85 kg on a frictionless surface. The BB has a mass of m1 = 0.044 kg and travels at a velocity of v1 = 93 m/s. It is observed that the box is moving at a v
A uniform solid sphere is rolling without slipping along a horizontal surface with a speed of 5.50 m/s when it starts up a ramp that makes an angle of 25.0 degrees with the horizontal. What is the s
What is the angular velocity of the tire? What is the angular acceleration of the tire? What is the magnitude of the total acceleration?
A small wooden block with mass 0.900 is suspended from the lower end of a light cord that is 1.76 long. The block is initially at rest. A bullet with mass 0.0102 is fired at the block with a horizon
If the man falls with his knees and ankles locked, the only cushion for his fall is a 0.500 cm give in the pads of his feet. Calculate the average force exerted on him by the ground in this situatio