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What is momentum and its SI units? What is the momentum of a racing car of mass 500 kg driven at 270 km/h?
describe in general terms how we may be able through some simple experiments determine the mass of the
Two sinusoidal waves of the same period, with amplitudes of 7.0 and 9.0 mm, What is the phase constant of the other wave
When water freezes, it expands about 8.95%. What would be the pressure increase inside your automobile's engine block if the water in it froze
A certain type of propeller blade can be modeled as a thin uniform bar 2.80m long, find the maximum angular acceleration the blade could achieve
a student is performing an experiment with two identical small metal balls a and b.initially ball a contains 6.0-?c net
A series circuit with a 12kΩ resistor, a 12.0 V battery and a capacitor has a time constant of 55 μs. (a) Compute the capacitance of the circuit? (b) Compute the time it takes for the energy stored in the capacitor to be two thirds of its maximum val..
A .22 rifle bullet, traveling at 350 m/s, strikes a block of soft wood, which it penetrates to a depth of 0.130m. How much time is required for the bullet to stop
An object is initially placed on the optical axis 21.2 cm to the left of a convex lens that has a focal length of 12.1 cm. what is the new image distance
A railroad car of mass 2.3 104 kg moving at 2.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
a 2.0 kg ball and a 3.5kg ball are connected by a 2.5m long rigid massless rod. the rod and balls are rotating
A camera is focused on a group of people 3 m from the lens, wjocj jas a focal lenght of 50 mm = 0.05 m. What is the lens-to-film distance
The bulk modulus for helium is 1.01x105 N/m2 and its density is 0.179 kg/m3. How many times the speed of sound in air (331m/s) is the speed of sound in helium?
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