Two satellites with equal rest masses of 100 kg are traveling toward each other in deep space. One is traveling at 0.650c and the other at 0.850c. The satellites collide and somehow manage to stick together
What is the rest mass of the combined object after the collision?
A) 378 kg B) 277 kg C) 200 kg D) 312 kg E) 100 kg
D
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Magnet A has twice the magnetic field strength of magnet B and pulls on magnet B with a force of 100 N. The amount of force that magnet A exerts on magnet B is
A) about 50 N. B) exactly 100 N. C) more than 100 N. D) not enough information
A spectroscopic binary shows periodic variations in its
a. radial velocity. b. proper motion. c. brightness. d. mass. e. spectral type.
What is the quark structure of a proton?
a. uud b. udd c. uuu d. ddd e. the question does not make sense
If the result of your calculation of a quantity has SI units kg ? m2/(s2 ? C), that quantity could be
A) an electric field strength. B) a dielectric constant. C) an electric potential difference. D) a capacitance E) an electric potential energy.