# science

posted by .

a car starts from a stopped position at a red light at the end of 30 second its speed is 20 meters per second what is the acceleration of the car

• science -

V = a*t

a = V/t = 20/30 = 0.667 m/s^2

## Similar Questions

1. ### physics

How would I find the acceleration of a car if it traveled 1.5 meters in one second?
2. ### Science

Here are some muliple choice questions I am stuck on. Thanks in advance for help any one can give me. 1) A falling object that has reached its terminal speed continues to gain?
3. ### Physics

A truck is stopped at a stoplight. When the light turns green, the truck accelerates at 2.5 meters per second squared. At the same instant, a car passes the truck going 15 meters per second. Where and when does the truck catch up with …
4. ### physics

A car stops for a red ligth. The light turns green and the car moves for 3 seconds at a steadily increasing speed. During this time, it travels 20 meters. The car then travels at a constant speed for another 3 seconds for a distance …
5. ### science

a car starts from a stop. at the end of 30 seconds its speed is 20 meters per second. what is the acceleration of the car?
6. ### Intergated chemistry/physics

A parachute on a dragster racing-car opens and changes the speed of a car from 85 meters/second to 45 meters/second. Of this car is decelerating (slowing down) at a rate of -8.9 meters/ second, how many seconds will this take?
7. ### Physics

To save fuel, some truck drivers try to maintain a constant speed when possible. A truck traveling at 110.0 km/hr approaches a car stopped at the red light. When the truck is 211.7 meters from the car the light turns green and the …
8. ### stafford elementary school

A car is stopped at a red light. The light turns green,and the car turns right around a corner. Which property of the car is changing?
9. ### Science

A 1 420kg car coasts in neutral down a 2.0 degrees hill. The car attains a terminal velocity of 24.3 meters per second. How much power must the engine deliver to drive the car on a level road at 24.3 meters per second?
10. ### Science

A car starts from a stopped position at a red light. At the end of 60 seconds, it's speed is 30 meters per second. What is the acceleration of the car?

More Similar Questions