A simple pendulum has a mass of 0.202 kg and a length of 1.00 m. It is displaced through an angle of 31.4° and then released. After a time, the maximum angle of swing is only 10.0°. How much energy has been lost to friction?
a. 0.260 J
b. 0.290 J
c. 0.0301 J
d. 1.00 J
e. 0.320 J
a
You might also like to view...
Work-Energy Theorem: A 4.0 kg object is moving with speed 2.0 m/s. A 1.0 kg object is moving with speed 4.0 m/s. Both objects encounter the same constant braking force, and are brought to rest. Which object travels the greater distance before stopping?
A. the 4.0 kg object B. the 1.0 kg object C. Both objects travel the same distance. D. It cannot be determined from the information given.
In the figure, the current in a solenoid having no appreciable resistance is flowing from b to a and is decreasing at a rate of 9.6 A/s. The self-induced emf in the solenoid is found to be 8.4 V
(a) What is the self-inductance of the solenoid? (b) Which point, a or b is at higher potential? What will be an ideal response?
Green light has a wavelength of 5.4 × 10^?7 m. What is the frequency of this EM-wave in air?
a. 5.56 × 10^14 Hz b. 6.00 × 10^11 Hz c. 9.00 × 10^8 Hz d. 3.00 × 10^10 MHz e. 1.80 × 10^15 Hz
A net horizontal force is required for a body to move in a horizontal circle
Indicate whether the statement is true or false