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A 15 g bullet strikes and becomes embedded in a 1.10 kg block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.25, and the impact drives the block a distance of 9.5 m before it comes to rest, what was the muzzle speed of the bullet?
question1an unmarked police car travelling a constant 93 is passed by a speeder. accurately 1.20 s after the speeder
q1. a mass-spring system oscillates on a horizontal frictionless surface with amplitude of 3.89 cm. if the spring
A 61.2-kg boy at rest on roller skates throws a 0.915-kg ball horizontally with a speed of 7.44 m/s. With what speed does the boy recoil
q1. an elevator cab in the new york marriott marquis has a mass of 4.43 x 103 kg and can carry a maximum load of 1.80 x
You are designing a machine for a space exploration vehicle. It contains an enclosed column of oil that is 1.05m tall, What must be the density of the oil
A fire hose 10 cm in diameter delivers water at the rate of 21kg/s . The hose terminates in a nozzle 2.6cm in diameter. What is the flow speed in the nozzle
A runner with a weight of 686.7 N accelerates at a constant rate from 0 to 4.5 m/s in the first 2 seconds of a 100 m sprint. What is the net horizontal force
An ideal gas in a container is at a temperature of 92.2°C. What is the average translational kinetic energy of a gas molecule
You are designing a precision mercury thermometer based on the thermal expansion of mercury, Determine the initial volume of mercury that allows this change, Find the radius of a spherical bulb that contains this volume of mercury
A 45.0g gold ball is hit off a tee and flies off at 50.0m/s. if the golf club was in contact with the ball for 10.5ms, find the impulse imported to the ball
The rod with mass m is sliding with velocity v on the contacts. The B field is going through the page. Find the acceleration of the rod and the currents through the circuit
A 15.0 kg box is released on a 30 degree incline and accelerates down the incline at 0.30 m/s squared. Find the frictional force impeding its motion
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