How high will the pendulum bob swing in this figure?
a. To the height of the pencil's point.
b. To the maximum height of the bob without the pencil, as shown by the left-most position in the figure.
c. Roughly half the height described in choice b.
d. Midway between a. and b.
e. To the height of the pencil eraser.
b
You might also like to view...
Each of the following is a prediction of the theory of relativity (special or general). Which one is crucial to understanding how the Sun provides light and heat to the Earth?
A) E = mc2 B) Gravity is curvature of spacetime. C) If you observe someone moving by you, you'll see his or her time running slow. D) Space is different for different observers. Time is different for different observers. Spacetime is the same for everyone.
Spiral arms are regions of star formation, which accounts for their blue color
Indicate whether the statement is true or false
What do scientists mean by verifiable observations?
A) statements that a person can, in principle, verify for himself or herself B) statements that anyone would agree are obvious C) observations that can be interpreted in only one way D) observations that a model does not have to predict E) observations that support a scientific theory
A jet engine develops 2.0 × 10^5 N of thrust in moving an airplane forward at a speed of 900 km/h. What is the power developed by the engine?
a. 500 kW c. 25 MW b. 10 MW d. 50 MW