Abby throws a ball straight up and times it. She sees that the ball goes by the top of a flagpole after 0.50 s and reaches the level of the top of the pole after a total elapsed time of 4.10 s

What was the speed of the ball at as it passed the top of the flagpole? A) 6.40 m/s
B) 16.2 m/s
C) 17.6 m/s
D) 29.0 m/s
E) 33 m/s


C

Physics & Space Science

You might also like to view...

Every second, the Sun converts about 600 million tons of hydrogen into 596 million tons of helium. The remaining 4 million tons of mass is

A) ejected into space in a solar wind. B) ejected into space by solar flares. C) converted to an amount of energy equal to 4 million tons times the speed of light squared. D) reabsorbed as molecular hydrogen.

Physics & Space Science

If a solar eclipse occurs today when might you have a chance to see a lunar eclipse?

A. in 27 days B. in 11 days C. in 21 days D. in 15 days

Physics & Space Science

The focal point of a lens is determined by

A. both shape and index of refraction. B. only the shape if you have a negative lens, otherwise only the index of refraction. C. the index of refraction of the lens material. D. the shape of the two surfaces of the lens.

Physics & Space Science

Science is concerned mainly with the

A) natural world. B) spiritual world. C) difference between right and wrong. D) search for eternal truths.

Physics & Space Science