A ball is thrown straight up about fifty meters into the air. As the ball is traveling toward Earth and returning to the person who threw it, which of the following is most likely to be true?
a. The speed of the ball is increasing
b. The potential energy of the ball in increasing
c. The mass of the ball is decreasing
d. The frictional force of air resistance acting on the ball is decreasing
Answer: a. The speed of the ball is increasing
You might also like to view...
The ________ is a layer in Earth's interior that is in a liquid state
A) mantle B) crust C) inner core D) outer core
Can you distinguish between older and newer mining areas by using the aerial imagery? How were you able to determine this observation? Discuss.
What will be an ideal response?
Curving chains of volcanic islands and seamounts, almost always found parallel to the concave edges of trenches are
called ____________ ____________ Fill in the blank(s) with the appropriate word(s).
Only a very small proportion (3 percent) of the earth's water is freshwater
Indicate whether the statement is true or false