9)

Tommy was walking at a rate of 4

miles

hour

at noon and at 12:30 pm he was walking at a brisk rate of 6

miles

hour

. Two hours later Tommy was walking at a leisurely rate of 2

miles

hour

. Which statement about Tommy's accleration is true?

A) Tommy had an accleration of zero the entire time.

B) Tommy had a positive acceleration between noon and 12:30 pm.

C) Tommy had a positive acceleration between 12:30 and 2:30 pm.

D) Tommy had a negative acceleration between noon and 12:30 pm.

Question

Biology

Nikhil

25 September, 02:41

9)

Tommy was walking at a rate of 4

miles

hour

at noon and at 12:30 pm he was walking at a brisk rate of 6

miles

hour

. Two hours later Tommy was walking at a leisurely rate of 2

miles

hour

. Which statement about Tommy's accleration is true?

A) Tommy had an accleration of zero the entire time.

B) Tommy had a positive acceleration between noon and 12:30 pm.

C) Tommy had a positive acceleration between 12:30 and 2:30 pm.

D) Tommy had a negative acceleration between noon and 12:30 pm.

+3

Answers (1)

Know the Answer?

Hillary Gould · Answer 1

B

Explanation:

At 12 Tommy was walking at 4 mph, then at 12:30 he was walking at 6 mph. He went from 4 to 6 which on a graph would go up, therefore a positive acceleration