# math/science

posted by jill

a car starts from rest and move at a speed of 30 kph after half an hour.what is the car's acceleration

1. cylinder

the cars acceleration is zero

2. cylinder

60

3. cylinder

not 0

4. Steve

That's 60 km/hr^2

## Similar Questions

1. ### Physics

Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car …
2. ### Physics

Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car …
3. ### Physics

Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car …
4. ### math

Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car …
5. ### physics

Car a starts from rest and speeds up with constant accelleration until it reaches its max speed. Car b starts from rest, at the moment car a is at max speed, and speeds up with constant acceleration. How much time elapses between when …

Uniform Motion Related Problem A car travelling at 60 kph left town at 9:00 a.m. Another car travelling at 65 kph left the same place half an hour later to overtake the first. At what time did the second car overtake the first?
7. ### Physics

A car starts from rest with an acceleration of 1.87 m/s^2 at the same time that a second car moving with a velocity of 29.2 m/s passes it. How far does the first car move before it overtakes the second car?
8. ### Marie Ernestine

Math/Science A car starts from rest and moves at the speed of 30 kph after half an hour. What is the cars acceleration?
9. ### Physics

A car starts from a certain point at a velocity of 100 kph. After 20 seconds, another car staring from rest, starts at the same point following car A at a uniform acceleration of 3 m/s². Assuming that the road is boundless will car …
10. ### Math

Two cars start at the same time from two places 330 km. apart and travel toward each other.Car A travels at 50 kph and Car B at 45 kph. If Car A rests for one hour on the way, in how many hours after they left will they meet?

More Similar Questions