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In one dimension, an inertial ball of mass 1 kg has a speed of 1.50 m/s to the right and another inertial ball of mass 3 kg has a speed of 2.00 m/s to the left. After 10 seconds, they meet in a head-on inelastic collision. The collision is not perfectly inelastic, meaning that the balls lose kinetic energy, but do not stick together after the collision. Find the velocity of the center of mass after the collision in m/s (- for left moving and + for right moving)
q1. according to the guinness book of world records 1990 edition p. 169 the highest rotary speed ever attained was 2010
A particle moves along the path y= -0.500x^2 (meters) with a constant speed of 5 m/s. Assume dx/dt >= 0. Determine the Cartesian components of velocity
A cylinder with a piston contains 0.250 mol of oxygen at 240000 pascal and 355 kelvin. The oxygen may be treated as an ideal gas. The gas first expands isobarically to twice its its original volume. It is y then compressed isothermally back to its..
A 1200 kg car is pulling a 500 kg triler along level ground. Friction is negligible. What is the magnitude of the force exerted by the car on the trailer
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A 73.0-kg parachutist falling vertically at a speed of 6.60m/s impacts the ground, what is the average force exerted on the parachutist by the ground
A migrating bird is initially flying south at 10 m/s. To avoid hitting a high-rise building, What is the bird's average acceleration during this 2 s interval
The bonds pays interest semiannually on June 30 and December 31. The bonds are issued to yield 5%. Illustrate what are the proceeds from the bond issue?
Measurements of the radioactivity of a certain isotope tellyou that the decay rate decreases from 8355 to 3160 over a period of 4.50 What is the half-life of this isotope
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