A deep space probe moving forward in space needs to make a course correction and so fires a thruster on the side of the probe 90° away from its direction of motion, as shown below. After the thruster is turned off, which trajectory best describes the probe’s subsequent motion?
A. A
B. B
C. C
D. D
E. E
C. C
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When water vapor condenses on the inside of a window, the room becomes slightly
A) warmer. B) cooler. C) both of these D) neither of these
The temperature of a quantity of an ideal gas is
a. one measure of its ability to transfer thermal energy to another body. b. proportional to the average molecular kinetic energy of the molecules. c. proportional to the internal energy of the gas. d. correctly described by all the statements above. e. correctly described only by (a) and (b) above.
A wire of a certain length, carrying a current of 2.0 A, is placed perpendicular to a magnetic field of strength 0.20 T. If the wire experiences a force of 0.40 N what is the length of the wire?
A) 2.0 m B) 3.0 m C) 1.0 m D) 20 m E) 40 m
If an electron is determined to be at x = 2.000 cm ± 0.0010 cm, what is the minimum uncertainty in the x component of its velocity? (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s)
What will be an ideal response?