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A spring oscillator is designed with a mass of 0.144 kg. It operates while immersed in a damping fluid, selected so that the oscillation amplitude will decrease to 1.00% of its initial value in 6.90 s. Find the required damping constant for the system.
A 2600 kg truck traveling north at 38 km/h turns east and accelerates to 52 km/h. What is the change in the truck's kinetic energy? What is the magnitude of the change in the linear momentum of the truck?
A plane leaves the airport in Galisto and flies 159km 68 degrees east of north and after that changes direction to fly 242km at 48 degrees south of east, after which it makes an immediate emergency landing in a pasture.
A runner on a 100-m diameter circular track complete a full lap in 80s. What is the angular speed of the runner
An unstretched elastic spring has a mass M = 3.75 kg and a length of l0 = 0.525 m. What is the elastic potential energy of the spring
Two of Angie's friends are talking to each other at a distance of 3.0 m from where Angie stands. What sound intensity does he measure for the two talkers
A submarine dives to a depth of 190 feet in the ocean. What is the force in pounds acting on a hatch that has a area of 3.7 square feet
You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.5m above the ground, Use the work-energy theorem to find its maximum height
how high above the target must the rifle barrel be pointed.
A car drives west on sw 8th street at a speed of 30.7 mph. The driver hits the brakes and the car slows down with a constant acceleration of 4.8 m/s^2
Assume that there is a very beautiful ornate crown, supposedly made of solid gold, how would you determine its density
question1a 408 kg mass is brought close to a second mass of 110 kg on a frictional surface with coefficient of friction
a target in a shooting gallery consists of a vertical square wooden board, 0.25m on a side and with mass 0.75kg, what is the angular speed of the board just after the bullets impact
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