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Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 5.7 m/s2 for 3.1 seconds. It then continues at a constant speed for 8.5 seconds, before applying the brakes such that the car's speed decreases uniformly coming to rest 203.88 meters from where it started. The yellow car accelerates uniformly for the entire distance, finally catching the blue car just as the blue car comes to a stop.
How fast is the blue car going 9 seconds after it starts?
A 203 rad dose of radiation is administered to a patient in an effort to combat a cancerous growth. Suppose that all of the energy deposited is absorbed by the growth.
What is the direction of the first ball after the collision? obtain the direction as an angle south of east.
The internal energy of a gas is 547.J. The gas is compressed adiabatically, and its volume decreases by 125.cm3, what is the internal energy of the gas after the adiabatic compression
Physics - Potential Energy - Gravitational Force A satellite has a mass of 100 kg and is located at 2.00 x 10^ 6 m above the surface of earth. (A) What is the potential energy associated with the satellite at this location?
What law of physics would be violated
A gas expands from I to F. The energy added to the gas by heat is 423 J when the gas goes from I to F along the diagonal path.
A rotating door is made from four rectangular sections, as indicated in the drawing. The mass of each section is 80 kg. A person pushes on the outer edge of one section with a force of F = 75 N that is directed perpendicular to the section. Find out ..
A 2.30 N force pushes it to the left, and a 0.800 N force pushes it to the right. (a) Taking right to be positive, what is the net force acting on it? (b) What is its acceleration?
Three equal point charges, each with charge 1.50, are placed at the vertices of an equilateral triangle whose sides are of length 0.550. What is the electric potential energy of the system? (Take as zero the potential energy of the three charges w..
what force would be needed to pull the same wooden.
how many electrons have been transferred. If a metric ton is 1.000 103 kg, how various 90 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton.
Presume your local government wants to raise your taxes in order to support the construction of wind and solar power plants that can give your town with low-polluting energy and help decrease your town's dependence on fossil fuels for energy. Would y..
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