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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.
A 5.00-kg block free to move on a horizontal, frictionless surface is attached to one end of a light horizontal spring.
Two automobiles are equipped with the same single frequency horn. When one is at rest and the other is moving toward an observer at 15.9m/s
Find the frequency of Sue's scream in the cave and calculate distance to the pool
A truck is moving at 50 m/sec while its horn emits a steady note at 280 cy/sec.
A sample of 8.02 x 10^-1 moles of nitrogen gas (gamma=1.40) occupies a volume of 2.00 x 10^-2 m^3 at a pressure of 1.00 x 10^5 Pa and temperature 300K.
In this problem, we will look at one of these in-between cases after first working through some basic calculations related to elastic and perfectly inelastic co
Supersonic jet traveling at Mach 3 at an altitude of 20000m is directly overhead at time t=0.
Place a kilogram block of iron at 40 degrees C into a kilogram of water at 20 degrees C. What will the final temperature of the two become, and why?