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The inner edge of a race track is in the form of a rectangle with two semicircular ends on the shorter sides. The rectangle is 82.0 m wide and 137.0 m long. The race track is 5.50 m wide. What is the difference between the shortest path taken by following along the inner edge and the longest path around the track taken by following along the outer edge?
What happens to the period of a mass-on-a-spring simple harmonic oscillator if the mass is doubled? What happens to the period if the spring constant is reduced by a factor of 3? How does the period depend on the amplitude of the oscillation?
a carnot engine operates between the temperatures 490 k and 300 k. how much heat is discarded for the engine to produce
An alpha particle (m= 6.64E-27 kg) trapped in the nucleus of an atom can be modelled as a particle moving in a one-dimensional box of width 1.00E-14m. calculate The ground state momentum of the particle
A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 54.0 kHz, and if the speed of sound in air is 340 m/s, what is the smallest inse..
an electron with velocity v 1x106 ms is sent between the plates of a capacitor where the electric field is e500 vm. if
A 40 kg girl and an 8.4 kg sled are on the fictionless ice ofa frozen lake, 15m apart but connected by a rope of negligiblemass. How far from the girl's initial position do they meet
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly eleven months, as measured by a clock on board the spacecraft, how fast must you travel
What is the net force exerted on the skier, assuming his acceleration is constant.
A particle of charge 12uC and mass 3.8x10^-5kg is released from rest inside a parallel plate capacitor from the positive plate. How long does it take the particle to reach the negative plate
An object fired at an angle of 19.1° above the horizontal takes 2.61 s to travel the last 15.3 m of its vertical distance and the last 10.3 m of its horizontal distance. With what speed was the object launched
A solid cylinder with a mass of 1.5 Kg initially at rest rolls down from a height of 2.00 m. What will be its speed when it reaches the bottom
A stroboscope is a light that flashes on and off at a fix rate. It can be used to illuminate a rotating object, Find the shortest time between flashes of light that will make a three-bladed propeller appear stationary when it is rotating with an an..
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