Enter the number only - NO UNITS! If an object moves at a speed of 10 meters/second, how long would it take for
them to travel 1 kilometer?
Remember to change units!


1000s or 16.66667 minutes

Explanation:

10km = 10,000m

Time = distance/speed

= 10000/10

=1000s or 16.66667 minutes

it has to be b, about 97 percent.

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