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A car of 1200 kg travels east at 24 m/s while a truck of 2200 kg travels north at 19 m/s They collide and stick together. a) What is the momentum in the system? b) What is the final velocity (magnitude and direction) after the collision?
An 7.17 kg block drops straight down from a height of 1.21 m, Find the maximum compression of the spring
A string is attached to the center of a solid cylinder. The cylinder sits on a horizontal surface made of concrete and rolls without slipping. find the magnitude of the static friction acting on the cylinder
Enumerate all the 2S+1LJ terms arising from electronic configuration 1s2 2s2 2p4 (Oxygen). What is the ground state of the system
A 2.5-kg particle oscillates on a spring with spring constant 85 N/m. At time t = 1.0s, What are the maximum speed and acceleration of the particle
Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate at 469 rev/s. A point on one of the blades traces out a circle with a radius of 0.639 m as the blade rotates. What is the m..
two copper wires of the same gauge, one has a length L and the other twice that. If the first wire has a resistance R, what is the resistance of the second wire
question1water moves through a constricted pipe in steady ideal flow. at one point where the pressure is 2.70 104 pa
What would be the equilibrium temperature when a 227 block of copper at 265 is placed in a 155 aluminium calorimeter cup containing 844 of water at 14.50.
The diffusion constant for the alcohol ethanol in water is 1.24 10-9 m2/s. A cylinder has a cross-sectional area of 3.85 cm2 and a length of 1.86 cm. what mass of ethanol diffuses through the cylinder
A certain parallel-plate capacitor is filled with a dielectric for which ? = 6.5. The area of each plate is 0.038 m2, and the plates are separated by 2.0 mm. The capacitor will fail (short out and burn up) if the electric field between the plates exc..
When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air, turning it into a conducting plasma that reflects the laser light.
A 500-g block is released from rest and slides down a frictionless track that begins 2.00 m above the horizontal. At the bottom of the track, What is the velocity of the mass just before it strikes the spring
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