Springs: An ideal spring has a spring constant (force constant) of 60 N/m. How much energy does it store when it is stretched by 1.0 cm?
A. 0.0030 J
B. 0.30 J
C. 60 J
D. 600 J
Answer: A
You might also like to view...
A car is approaching a radio station at a speed of 25.0 m/s. If the radio station broadcasts at a frequency of 74.5 MHz, what change in frequency does the driver observe?
A) 98.3 Hz B) 6.21 Hz C) 726 Hz D) 67.0 Hz E) 64.5 Hz
Due to absorption of shorter wavelengths by interstellar dust clouds, distant stars appear
A) brighter. B) redder. C) larger. D) bluer. E) to have a higher radial velocity.
The process by which raindrops are formed by the collision of droplets is called
a. the Bergeron process. b. fusion. c. fission. d. coalescence.
An auditorium has a volume of 6 × 10^3 m3 . How many molecules of air are needed to fill the auditorium at one atmosphere and 0°C?
a. 1.6 × 10^29 b. 1.6 × 10^27 c. 1.6 × 10^25 d. 1.6 × 10^23 e. 1.6 × 10^20