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A car is traveling at 41.0 km/h on a flat highway.
(a) If the coefficient of friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop?
(b) What is the stopping distance when the surface is dry and the coefficient of friction is 0.600?
What is the gravitational potential energy of an interstellar cloud, with a density of 1000 H2 molecules/cm3, and radius of 10 pc
A cylindrical space station of radius R and length L has a density that varies with distance from its center, Calculate the total mass M of the entire space station
An engine has an efficiency e1. The engine takes input heat QH from a hot reservoir and delivers work W1. The heat rejected by this engine is used as input heat for a second engine.
Using the kinematic equation, prove that if two balls are released simultaneously from table, one with zero velocity and the other with a horizontal velocity, they would both reach the ground at the identical time.
determine the kinetic energy of the ball at its highest point. Illustrate what is its speed when it is 9.0 m below its highest point.
A man driving a car toward a large vertical wall sounds his horn. The car is traveling at 92 km/h. What is the frequency of the car horn
What is the magnitude of the apparent weight of an 80-kg astronaut 5200-km from the center of the Earth's Moon in a space vehicle moving at constant velocity.
The wave function for a certain electromagnetic wave is given by E = -(2500V/m)cos(9.973x10^6z - 2.992x10^15t)i, what is the intensity of the electromagnetic wave
Estimate the terminal speed of a wooden sphere (density 0.810 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
A 4kg pumpkin is sitting stationary on a platform. What is the total energy of the pumpkin measured by a person standing on the platform
A prospector finds a solid rock composed of granite (? = 2650 kg/m3) and gold. The volume of the rock is 3.00e-4 m3 and its mass is 3.48 kg. (a) What mass of gold is contained in the rock in kg? (b) What percentage of the rock is gold by volume? (..
A 1200-turn coil of wire that is 2.0cm in diameter is in a magnetic field that drops from 0.14T to 0 T in 11ms. What is the emf of the coil
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