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A target in a shooting range gallery of a square wooden board of side length S = 0.500 meter and mass mT = 0.750 kg, that pivots on a horizontal axis along its top edge. The target is struck, normally, at its center by a bullet of mass mB = 1.90 g that is travelling initially at vi= 360 m/s. The bullet goes completely through the target, emerging at only vf= 100 m/s on the opposite side. What is the angular speed of the target just after the collision?
A piece of copper wire is formed into a single circular loop of radius 12 cm. What is the average electrical energy dissipated in the resistance of the wire
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 56.0 m/s and returns the shot with the ball traveling horizontally at 36.0 m/s in the opposite direction. (Assume the initial direction of the ball is in the -x di..
An airplane has a mass of 3.46 × 104 kg and takes off under the influence of a constant net force of 3.22 × 104 N. What is the net force that acts on the plane's 71.9-kg pilot
q1. a proton travels with the speed of 8.34times105 ms at an angle of 32.3deg with the direction of a magnetic field.
A container of cross-sectional area 107 cm2 contains liquid of density 2.35 g/cm3 to a height of 6.90 cm above a small hole of area 1.00 cm2 in the side. Find the flow rate through the hole
a flat sheet ofcrown glasshas a thickness of 2.2cm. it is on top of a flat sheet of crystalline quartz that has a
q1. before throwing a 1.49 kg discus an athlete rotates it along a circular path of radius 1.18 m. the maximum speed of
The Hamiltonian of a system of two (spin- 1/2) electrons, H= ?1?z1+?2?z2 where ?z is the Pauli Matrix, ? is an energy parameter and our subscripts represent the two electrons 1 and 2. What is the basis where this Hamiltonian is diagonal and what is t..
Collision of 2 trains and stopping distances, Two trains are driving towards each other .One at 144 km/h and the other at 72 km/h When they see each other they start to brake at 1 m/s2. There is 950m between them.
A particle rotates in a circle with a centripetal acceleration of 9.81 meters per second squared. what is the new centripetal acceleration in terms of the original value
A 63.0 m length of insulated copper wire is wound to form a solenoid of radius 1.7 cm. The copper wire has a radius of 0.53 mm. What is the maximum current attained
A spaceships leave Earth in opposite directions, each with a speedof 0.50c with respect to Earth. What is the velocity of spaceship1 relative to spaceship2
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