From the Earth, they see the Enterprise approaching at 0.800c and the Klingons approaching from the opposite direction at 0.900c. From the Enterprise, the crew sees the Klingon ship approaching at what speed?
What will be an ideal response?
Klingons approaching the Enterprise at 0.988c
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An ideal gas is allowed to expand adiabatically until its volume increases by 50%. By approximately what factor is the pressure reduced? (g = 5/3.)
a. 1.5 b. 2.0 c. 2.5 d. 3.0 e. 3.5
A 0.32 kg ball is moving horizontally 30. m/s just before bouncing off a wall, thereafter moving 25. m/s in the opposite direction
(a) What is the magnitude of its change in momentum? (b) What percentage of the kinetic energy was lost in the collision?
Which of the following is the de Broglie equation?
a. E = mc2 b. E = hf c. m?v?x ? h d. ? = h/mv
A 5.0-C charge is 10 m from a small test charge. What is the magnitude and direction of the electric field at the location of the test charge?
What will be an ideal response?