# physics

5)As the traffic light becomes green, a car starts to travels with an acceleration of 2.5 m/s2. Calculate the velocity of this car in km/h after 12 seconds of acceleratio

1. 👍 0
2. 👎 0
3. 👁 113
1. v=a*t

change the veloicty from m/s to km/hr

1. 👍 0
2. 👎 0
2. 6.94Km/hr

1. 👍 0
2. 👎 0
posted by Abdullah

## Similar Questions

1. ### science

a car is stopped at a traffic light, which then turns green. The car speeds up for 85 seconds and travels a distance of 1.5 miles. what is the car's acceleration from the traffic light?

asked by Anonymous on February 22, 2011
2. ### physics

Consider a horizontal road with such a set of traffic lights, each spaced 100 m apart. A car sits at the first traffic light. At t=0 the light turns green and the car accelerates. What is the maximum time t in secondsthe

asked by stranger on May 27, 2013
3. ### algebra

A car is stopped at a traffic light. The light changes to green and the driver starts to drive, accelerating at a rate of 4 m/s^2. Write an equation for the distance the car travels in time.

asked by sam on March 3, 2013
4. ### physics

At the instant a traffic light turns green, a car starts moving with a constant acceleration a of 4.00 m/s2. At the same instant a truck, traveling with a constant speed of 10.09 m/s, overtakes and passes the car. How far beyond

asked by Brittany on December 4, 2010
5. ### Physics

At the instant a traffic light turns green, a car starts moving with a constant acceleration a of 3.05 m/s^2. At the same time a truck, traveling with a constant speed of 10.15 m/s, overtakes and passes the car. How far beyond the

asked by Lindsay on October 8, 2007
6. ### physics

At the instant a traffic light turns green, a car starts from rest with a given constant acceleration 0.5 m/s^2. just as the light turns green, a bus, traveling with a given cinstant speed 16.0 m/s, passes the car. The car speeds

asked by qwertzuiop on January 24, 2012
7. ### physics

At the instant a traffic light turns green, a car starts from rest with a given constant acceleration 0.5 m/s^2. just as the light turns green, a bus, traveling with a given cinstant speed 16.0 m/s, passes the car. The car speeds

asked by qwertzuiop on January 24, 2012
8. ### Physics

As a traffic light turns green, a waiting car starts with a constant acceleration of 6.0 m/s^2.At the instant the car begins to accelerate, a truck with a constant velcoity of 21 m/s pass in the next lane. (a) How far will the car

asked by Lena on April 17, 2009
9. ### Physics

The instant a traffic light turns green a car that has been waiting at the light starts forward with a constant acceleration of 10 ft/s^2. At the same instant a truck traveling at a constant 30 ft/s overtakes and passes the car.

asked by Ashley on October 9, 2007
10. ### Physics

A car is stopped at a traffic light. When the light turns green, the driver accelerates so that the car is going 10 m/s after 5s. What is the car’s average acceleration?

asked by Heather on June 3, 2013

More Similar Questions