Suppose we throw a baseball with an initial speed of 12 m/s in a direction 60° upward from the horizontal. What is the baseball’s speed at the peak of its trajectory?
A. 12 m/s
B. 10.4 m/s
C. 6 m/s
D. 3 m/s
E. 0 m/s
F. Other (specify)
C. 6 m/s
You might also like to view...
The most common kinds of stars are low-luminosity stars
Indicate whether the statement is true or false
An AC circuit consists of a 60-Hz source, a 200-? resistor, and a 1.06-H inductor, all in series. What is the impedance of this circuit?
a. 400 ? b. 280 ? c. 600 ? d. 450 ?
Which of the following makes it very difficult to detect planets around other stars?
A) Planets are constantly orbiting their stars, so we don't know where to point our telescopes to see them. B) Planets are typically at least a billion times fainter than their host stars. C) Planets give off only infrared light, not visible light. D) Planets orbit too far from their stars to be detected.
An 8.00-? resistor is connected to a battery with internal resistance of 0.200 ?. If the terminal voltage across the battery is 9.00 V, what is the battery's emf?
a. 8.78 ? b. 9.23 ? c. 0.225 ? d. 0.178 ?