A car traveling north speeds up from 5 m/s to 25 m/s in 10 seconds. What is the car’s acceleration? (1 point)

Question

A: 2 m/s2
B: 125 m/s2
C: 2.5 m/s2
D: 10 m/s2

halp? im kinda stumped on this one question.
•_•)
thx

M

Answer 1

A dog runs through a field and covers 100 meters in 5 seconds. What is the speed of the dog? (1 point)
A: 500 m/s
B: .05 m/s
C: 20 m/s **
D: 50 m/s

also, I'm not sure about this one ╚(•⌂•)╝
okay thanks!

M

Answer 2

acceleration = (change in speed) / (change in time)

2nd one looks good