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Blocks A (mass 6.50kg ) and B (mass 15.00kg ) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 10.0m/s . The blocks are equipped with ideal spring bumpers. The collision is head-on, so all motion before and after the collision is along a straight line. Let +x be the direction of the initial motion of A.Part AFind the maximum energy stored in the spring bumpers and the velocity of each block at that time.Find the maximum energy.U_ b = J}Part BFind the velocity of A.v_A = m/s}Part CFind the velocity of B.v_B = m/s}Part DFind the velocity of each block after they have moved apart.Find the velocity of A.v_A = m/s}Part EFind the velocity of B.v_B = m/s}
On an air track, a 398.0 g} glider moving to the right at 2.05 m/s} collides elastically with a 501.5 g} glider moving in the opposite direction at 3.20 m/ s} .
A 0.300 kg} glider is moving to the right on a frictionless, horizontal air track with a speed of 0.900 m/s} when it makes a head-on collision with a stationary 0.150kg} glider. Find the final kinetic energy of first glider.
A 4.50 g} bullet is fired horizontally into a 1.10 kg} wooden block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.200. The bullet remains embedded in the block, which is observed to slide 0.200..
A 1.00 kg block Is resting against a light, compressed spring at the bottom of a rough plane inclined at an angle of 30 degrees. Kinetic friction between box and plane is 0.100. Suppose the spring is compressed 10 cm from its equilibrium length.
On a frictionless, horizontal air table, puck A (with mass 0.150kg} ) is moving toward puck B (with mass 0.350kg} ), which is initially at rest. After the collision, puck A has a velocity of 0.120m/s to the left, and puck B has a velocity of 0.650..
Find the kinetic energy of a 3.70{\rm kg} cat that has 0.240 kg *m/s}} of momentum. Find the momentum of a 1.22{\rm kg} ball that has 16.0 J} of kinetic energy.
Two figure skaters, one weighing 625N and the other 775N , push off against each other on very smooth ice. If the heavier skater travels at 1.60m/s , how fast will the lighter one travel?
A charge of +2?C and 6 mg is fired directly upward at a speed of 500 m/s. The charge reaches the top of its trajectory at 30 m. Ignoring gravity, find the magnitude and direction of the electric field necessary to accomplish this.
In an EM wave traveling west, the B field oscillates vertically and has a frequency of 84.0 kHz and an rms strength of 6.30×10^?9T.
A 4.3 kg rock is initially at rest at the top of a cliff. Assume that the rock falls into the sea at the foot of the cliff and that its kinetic energy is transferred entirely to the water. The specific heat of water is 4186 J/kg·?
A particle has an acceleration of 6.39 for 0.28. At the end of this time the particle's velocity is 9.31 .What was the particle's initial velocity.
The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is 96.3 m. How tall is the antenna
On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. What is the acceleration of the jet in m/s2
When striking, the pike, a predatory fish, can accelerate from rest to a speed of 3.8 in 0.13 How far does the pike move during this strike
A rod 14 cm long is uniformly charged and has a total charge of -22 c. resolve the magnitude and direction of the electric field all along the axis of the rod at a point 36.0 cm from its center.
A 72 kg man stands on a spring scale in an elevator. Starting from rest, elevator ascends, attaining its maximum speed of 1.20 m/s in 0.80 s.
use the biot savart to compute the magnetic field at the center of a matalic ring. the ring has a radius of 10^-6 m, compute the magnetic field at the center of the ring
A 8.05 k? and a 7.05 k? resistor are connected in parallel. This combination is then connected in series with a 2.95 k, what is the maximum voltage that can be applied across the whole network
A 1.1 long steel wire with a radius of 0.200 mm is hanging vertically. How much does the wire stretch
An unknown length of platinum wire 0.730mm in diameter is placed as the unknown resistance in a Wheatstone bridge. How long (in meters) is the platinum wire
A certain atom has atomic number Z = 21 and atomic mass number A = 44. How many protons and neutrons are in the nucleus
A 700 lb floating platform is at rest when a 200 lb crate is thrown onto it with horizontal speed v0 = 12 ft/s. find the distance that the crate slides relative to the platform
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