Different temperatures within the solar nebula ultimately determined the compositions of the planets and their moons
Indicate whether the statement is true or false
TRUE
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Energy Conservation With Conservative Forces: A 1500-kg car moving at 25 m/s hits an initially uncompressed horizontal ideal spring with spring constant (force constant) of 2.0 × 106 N/m. What is the maximum distance the spring compresses?
A. 0.17 m B. 0.34 m C. 0.51 m D. 0.68 m
The astrometric method seeks to detect planets by
A) precisely measuring distances to stars. B) directly detecting the light of planets orbiting stars. C) measuring small changes in the positions of stars on the sky. D) precisely measuring the velocities of stars moving toward and away from us. E) measuring small changes in the apparent brightness of stars.
A spherical, non-conducting shell of inner radius r1 = 10 cm and outer radius r2 = 15 cm carries a total charge Q = 15 ?C distributed uniformly throughout the volume of the shell
What is the magnitude of the electric field at a distance r = 12 cm from the center of the shell? (k = 1/4??0 = 8.99 × 109 N • m2/C2) A) 5.75 × 103 N/C B) zero C) 2.87 × 106 N/C D) 5.75 × 106 N/C E) 2.87 × 103 N/C
You deposit $500 in a special investment. It doubles to $1000 after 7 years. What was the approximate interest rate paid on the investment?
a. 2% b. 3.5% c. 7% d. 10% e. 15%