Pluto's classification as a planet has been called into question
Indicate whether the statement is true or false
TRUE
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____ in Saturn's rings is/are produced by the gravitational interaction of Mimas with the particles in the rings and appears as a large ____ in the rings
a. Cassini's division; gap b. Cassini's division; clump c. Moons; gap d. Moons; clump
Energy and Momentum: An 8.0-g bullet is suddenly shot into a 4.0-kg block, at rest on a frictionless horizontal surface, as shown in the figure. The bullet remains lodged in the block. The block then moves against a spring and compresses it by 8.9 cm. The force constant (spring constant) of the spring is 1400 N/m. What is the magnitude of the impulse on the block (including the bullet inside) due to the spring during the entire time interval during which the block compresses the spring?
A. 13 N ? s B. 12 N ? s C. 10 N ? s D. 8.3 N ? s E. 6.7 N ? s
Approximately how many times faster is the speed of light in vacuum than the speed of sound in air?
Two resistors of 15 and 30 ? are connected in parallel. If the combination is connected in series with a 9.0-V battery and a 20-? resistor, what is the current through the 15-? resistor?
A) 0.10 A B) 0.13 A C) 0.20 A D) 0.26 A E) 0.32 A