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A bicycle racer sprints near the end of a race to clinch a victory. The racer has an initial velocity of 10.3 m/s and accelerates at the rate of 0.370 m/s2 for 7.01 s. What is his final velocity?
The racer continues at this velocity to the finish line. If he was 237 m from the finish line when he started to accelerate, how much time did he save by accelerating?
A model of the stretching vibrations of a polyethylene chain may be made by considering a linear chain of identical masses M connected by springs of alternating force constants C1 and C2.
1. Find the order of magnitude of the density of the nucleus of an atom. What does this result suggest concerning the structure of matter? Model a nucleus as protons and neutrons closely packed together. Each has mass 1.67 x10-27kg and radius on the ..
A charged particle traveling at a speed of 9.60x10^4 m/s through a uniform magnetic field of magnitude 7.50mT experiences a magnetic force of magnitude 4.50 X10^13N.
A jet airplane flying from Darwin, Australia, has an air speed of 256 m/s in a direction 5.0° south of west. What is the magnitude of the velocity of the airplane relative to earth
A satellite orbits the Earth at a height of 400 km above the surface. What is the acceleration due to gravity at that height
When catching a baseball, a catcher's glove moves by 8 cm along the line of motion of the ball. how much work is done by the ball
element 118 was reportedly synthesized in 1999 but the claim was later retracted. as a consequence of that experiment
a 2.71 kg object moves in a plane with velocity components vx 50.0 ms and vy -92.0 ms as it passes through the point
3.09 moles of neon, a monatomic gas, starts out at conditions of standard temperature and pressure. The gas is heated at constant volume until its pressure is tripled, then further heated at constant pressure until its volume is doubled. Assume that ..
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. Find the index of refraciton for violet light in plastic
A catcher catches a 145g baseball traveling horizontally at 32.0m/s, How much work does the pull do on the box
Only two forces act on a 3.0-kg mass. One of the forces is 9.0 N east, and the other is 8.0 N in the direction of 62° north of west. What is the magnitude of the acceleration of the mass
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