Accelerate an electron and you produce an electromagnetic wave. Accelerate a massive body and you produce
A) a gravitational wave.
B) a cosmic wave.
C) both of these
D) neither of these
Answer: A
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A box is sliding down an incline tilted at a 12.0° angle above horizontal. The box is initially sliding down the incline at a speed of 1.50 m/s. The coefficient of kinetic friction between the box and the incline is 0.340
How far does the box slide down the incline before coming to rest? A) 0.920 m B) 2.33 m C) 1.78 m D) 0.720 m E) The box does not stop. It accelerates down the plane.
How many "generations" of electroweak particles are there?
A) three B) two C) four D) six E) an infinite number
In the two-slit experiment, monochromatic light of wavelength 600 nm passes through a pair of slits separated by 2.20 × 10-5 m. What is the angle corresponding to the second dark fringe?
A) 4.70° B) 3.51° C) 3.94° D) 1.17° E) 2.35°
An unfueled 1000-kg experimental rocket sled on level frictionless rails is loaded with 50 kg of propellant. It exhausts the propellant in a 20 s "burn.". If the rocket, initially at rest, moves at 160 m/s after the burn, what impulse is experienced by the rocket sled?
a. 1.1 × 10^5 kg•m/s c. 1.5 × 10^5 kg•m/s b. 1.6 × 10^5 kg•m/s d. 1.9 × 10^5 kg•m/s