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If a wire is placed next to the face of a permanent magnet and a current sent through the wire, then a Lorentz force is present orthogonal to both the direction
A ball (B) of mass m moves with velocity v relative to an observer (O). The momentum of B relative to O is p=mv according to Newtonian mechanics
A moving shuffleboard puck has a glancing collision with a stationary puck of the same mass. If the friction is negligible, what are the speeds of pucks.
Consider a Schwarzchild black hole of mass M=15Ms where Ms is the mass of the sun.
Give a very brief description of two observational tests of general relativity.
A stone is dropped at t = 0. A second stone, with 3 times the mass of the first, is dropped from the same point at t = 190 ms.
If the lower end of the chute is a vertical distance of 4.00 m above the bottom of the cart, what is the speed of the package just before it lands in the cart?
A 0.30 kg puck, initially at rest on a frictionless horizontal surface, is struck (inelastically) by a 0.20 kg puck that is initially moving along the x-axis.
Prove that the divergence of a tensor T^(ab) is given by
Laura, who’s mass is 35 kg, jumps horizontally off a 55 kg canoe at 1.5 m/s relative to the canoe. What is the canoe’s speed just after she jumps?
A set of quantities , whose inner product with an arbitrary vector (that is, a contravariant tensor of rank one) is a tensor
The big glider with an incident velocity of 2.6 m/s collides with the small glider that is initially at rest. The final velocity of the two gliders.
The following diagram shows two charged spheres arranged to the right of a point in space labelled P.
A particle of mass m and velocity Vo collides elastically with a particle of mass M initially at rest and is scattered through angle, A.
In preparation for shooting a ball in a pinball machine, a spring (k= 675 N/m) is compressed by 0.0650 m relative to its unstrained length.
A 12 kg block is released from rest on a 30 degree frictionless incline. Below is a block that can be compressed 2.0 cm by a force of 270 N.
Determine the kinetic and potential energies when the displacement is one half the amplitude.
A superball has collisions that are nearly perfectly elastic. A superball of mass M is dropped from rest from a height h (where h >> the size of the superball).
A spring of negligible mass is compressed between two masses on a frictionless table with upward sloping ramps at each end.
A 16-kg sled is being pulled along the horizontal snow-covered ground by a force of 24 N. Starting from rest, the sled attains a speed of 2.0 m/s in 8.0 m.
The picture above shows two pucks about to collide and one of them after the collision, what is the velocity (Magnitude and Direction).
State and explain the postulates of the special theory of relativity.
A source of sound waves of frequency 1.0 kHz is stationary. An observer is traveling at 0.50 times the speed of sound. What is the observed frequency
An object on an incline of 30 degrees is towed up the incline by an applied force of 100N. The coefficient of kinetic friction of mu=.35.
Ultrasound reflected from an oncoming bloodstream that is moving at a 30 cm/s is mixed with the original frequency of 2.5 MHz to produce beats.