A plant falls from a window ledge 3.5 m above the sidewalk. How fast is the plant moving when it hits the sidewalk?

a.

-7.3 m/s

c.

-22.0 m/s

b.

-2.2 m/s

d.

-8.3 m/s

When we look into the band of light in our sky that we call the Milky Way, can we see distant galaxies? Why or why not?

The atomic number of a nucleus descended during which nuclear reactions? A. Nuclear fission and beta decay (electron emission) B. Nuclear fusion and alpha decay C. Nuclear fission and alpha decay

Which option most likely describes scientist (s) working in pure science? A quality assurance inspector examining the contents of large tanks used to make fermented products.

Which type of investigations include a hypothesis?

A person's temperature is 40°c. what would it be in kelvin? a. 313 k b. - 313 k c. - 313 c d. 313 c

At a certain location, the horizontal component of the earth's magnetic field is 2.5 * 10-5 T, due north. A proton moves eastward with just the right speed for the magnetic force on it to balance its weight. Find the speed of the proton.

An acrobatic airplane performs a loop at an airshow. The centripetal acceleration the plane experiences is 14.7 m/s2. If it takes the pilot 45.

Which of the following was NOT an outcome of Bacon's rebellion? A. A more direct focus on the "Indian Problem" B. A more focused plain to isolate black slaves from white servants C.

A science class did an investigation to see how many breaths it took for each student to blow up a balloon. Jason blew up his balloon with the fewest breaths. Which of these might explain why Jason took fewer breaths to blow up his balloon? A.

How the behavior of waves is affected by a medium