Two satellites with equal rest masses of 100 kg are traveling toward each other in deep space
They have identical speeds of 0.600c. The satellites collide and stick together. What is the rest mass of the combined object after the collision?
A) 200 kg
B) 225 kg
C) 250 kg
D) 275 kg
E) 300 kg
C
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Total internal reflection
A. Can occur when light travels from lower index of refraction into higher index of refraction. B. Can occur when light travels from higher index of refraction into lower index of refraction. C. Can occur in any combination of indices of refraction. D. Never occurs.
In the context of the electromagnetic spectrum, which of the following forms of electromagnetic radiation has a shorter wavelength than the shortest wavelength of visible light?
A) Red light B) Microwaves C) Radio waves D) Ultraviolet light
Uranus and Neptune are very similar in size and mass
Indicate whether the statement is true or false
A +20-nC point charge is placed on the x axis at x = 2.0 m, and a -25-nC point charge is placed on the y axis at y = -3.0 m. What is the direction of the electric field at the origin?
a. 209° b. 61° c. 29° d. 241° e. 151°