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A fugitive tries to hop on a freight train traveling at a constant speed of 6.0m/s. Just as an empty box car passes him, the fugitive starts from rest and accelerates at a = 4.0m/s2 to his maximum speed of 8.0m/s.
(a) How long does it take him to catch up to the empty box car?
(b) What is the distance traveled to reach the box car?
A hospital's linear accelerator produces electron beams for cancer treatment. The accelerator is 1.4m long and the electrons reach a speed of 0.98c.
Calculate the absolute pressure at the bottom of a freshwater lake at a point whose depth is 26.2 m
Jupiter has a radius of 71,492km and a mass of 1.9x10^27kg. What is the acceleration due to gravity at Jupiter's surface
A beam of 6 MeV alpha particles scatters from a thin gold foil. What is the ratio of the number of alpha particles scattered to angles greater than 1° to the number scattered to angles greater than 3°
In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. what beat frequency is heard when the hammer strikes the two strings simultaneously
A fluid with viscosity ? flows through a tube of radius R and length L. What must be the radius of the second tube
At a given instant an 56 mH inductor stored an energy of 89 µJ. What is the current in the inductor at this instant
Calculate the voltage of an equipotential line between the plates of a capacitor if the distance of the line to the negative plate is m and the intensity is 20 N / C
In shot putting, many athletes elect to launch the shot at an angle that is smaller than the theoretical one (about 42 degrees) at which the distance of a projected ball at the same speed and height is greatest.
A 100 kilogram crate is pushed at a constant speed up a frictionless, 30o inclined ramp. Find what constant horizontal force is required
One car mass 750 g is moving 36 km/hr to the right on track collides with a car of mass of 500g, Find the velocity and direction of the heavier car after collision
The heat of vaporization of ethyl alcohol is about 200 cal/g. If 2.3 kg of it were allowed to vaporize in a refrigerator, how many grams of ice will be formed from 0°C water.
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