Ashley goes on a road trip and drives 240 miles in 6 hours. What is her average speed during this trip? (s=d/t) 70 mph

50 mph

60 mph

40 mph

40 mph

Explanation:

Since speed is distance/time, s=240/6 would be the equation. 240/6=40, so the average speed of the trip is 40 mph

connect the batteries in series and hope

the minimum constant speed at which she can catch the train is 2.7 m/s

given:

acceleration = 0.6

time = 4.5 s

to find:

velocity = ?

formula used:

from 1st kinematic equation we get,

v = u + at

u = initial speed of train = 0 m/s

v = final speed of the train

a = acceleration of the train

t = time

solution:

from 1st kinematic equation we get,

v = u + at

u = initial speed of train = 0 m/s

v = final speed of the train

a = acceleration of the train

t = time

v = 0 + (0.6 × 4.5)

v = 2.7 m/s

the minimum constant speed at which she can catch the train is 2.7 m/s