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Two automobiles, each of mass 1.500*10^3 kg, travel in the same direction along a straight road. The speed of one automobile is 25 m/s, and the speed of the other automobile is 15.0 m/s. Regard these automobiles as a system of two particles.
A.) What is the translational kinetic energy of the center of mass?
B.) Total kinetic energy?
C.) What is the kinetic energy in a reference frame moving with the center of mass?
A semi truck is stopped across a road. As a driver approaches at 20 m/s he sounds the horn of his car (f=350 Hz). find the frequency of the horn heard by the truck driver
A camera flash delivers 2.9 kW of light power for 1.3 ms. Find the total momentum carried by the flash
A uniform spherical shell of mass 8.60kg with diameter 48 cm has four small masses of mass 2.00kg attached to its outer surface and equally spaced around it. This combination is spinning about an axis running through the center of the sphere and t..
The captain of a boat wants to travel directly across a river that flows due east with a speed of 1.42 m/s. What direction (in degrees) should the captain steer the boat
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Show that the sun is not at rest in the center of the solar system by calculating the distance from the Sun's center to the center of mass of the Sun-Jupiter system
A truck covers 40.01 m in 7.615 s while smoothly slowing down to final speed 1.40 m/s. What is the original speed and what is the acceleration.
A 300 g block on a 50.0 cm -long string swings in a circle on a horizontal, frictionless table at 60.0 rpm, What is the speed of the block
A 362 g object is attached to a spring and executes simple harmonic motion with the period of 0.200 s. If the total energy of the system is 6.71 J.
2 mol of He gas initially at STP are sealed in a cylinder with a movable piston. Heat is extracted from the gas until it reaches a temperature of 100 K. What is the thermal efficiency of this engine
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