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A 3.0 kilogram object moves to the right with a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0 kilogram object moving to the left at 1.0 m/s. Evaluate the total kinetic energy after the collision?
Ball 1, with a mass of 140g and traveling at 11.0m/s , collides head on with ball 2, which has a mass of 310g, What are the final velocities of each ball if the collision is perfectly inelastic
A cylindrical storage tank has a radius of 1.20 m. When filled to a height of 4.05 m, What is the density of the solvent
The magnetic force exerted on a 1.3 -m segment of straight wire is 1.6 N. The wire carries a current of 3.1 A in a region with a constant magnetic field of 0.52 T. What is the angle between the wire and the magnetic field?
A certain source of sound radiates uniformly in all directions in air. At a distance of 5m the sound level is 80 dB. The frequency is 440 Hz. What is the displacement amplitude at this distance
Which one of the following choices represents the largest kinetic energy? While you sleep, your body is using energy at a rate of 77W. How many food calories are used through an eight hour period? One food calorie (C) is equal to 4186 joules.
The current in a 100 watt light bulb is 0.760 Amp. The filament inside the bulb is 0.290 millimeter in diameter. Calculate the current density in the filament
A ball swings in a vertical circle at the end of a rope 1.50 mlong attached to the ceiling. When the rope is 36.9 degrees pastthe lowest point and is on its way up, its total acceleration isgiven by (-22.5 i + 20.2 j) m/s2. At thatinstant determine t..
in a sodium chloride molecule the equilibrium separation of the na and the cl- ions is 0.24 nm. assuming that the ions
A 1200-kg car is being unloaded by a winch. At the moment shown in figure 9-46, the gearbox shaft of the winch breaks, and the car falls from rest. Find the speed of the car as it hits the water
A 2.29N force is applied to the plunger of a hypodermicneedle. with what force does the fluid leave the needle
A baseball has a velocity of 40.2 m/s (89.9 mi/h), directed horizontally, as it is released by a pitcher. Calculate the ball's instantaneous acceleration just before it is released
A proton is released from rest in a uniform electric field of magnitude 421 N/C. (a) Find the electric force on the proton. magnitude N direction (b) Find the acceleration of the proton. magnitude m/s2 direction (c) Find the distance it travels in..
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