# physics

A car travels in a straight line for 3.7h at a constant speed of 63 km/h.
What is the acceleration?

1. 👍 0
2. 👎 0
3. 👁 174
1. constant speed? zero acceleration.

1. 👍 0
2. 👎 0
2. A car traveling in a straight line has a velocity
of 6.03 m/s at some instant. After 6.89 s, its
velocity is 10.6 m/s.
What is its average acceleration in this time
interval?
2

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physics, dynamics

Car A starts from rest at t = 0 and travels along a straight road with a constant acceleration of 2 m/s2 until it reaches a speed of 27 m/s. Afterwards it maintains this speed. Also, when t = 0, car B located 2000 m down the road

asked by siti on January 13, 2011
2. ### physics

Cars A and B are racing each other along a straight path in following manner: Car A has head start and is a distance dA beyond starting line at t=0. The starting line is at x=o. Car A travels at constant speed vA. Car B starts at

asked by help on September 27, 2009
3. ### F/maths

X, Y and Z are three points on a straight road.A car passes X with a speed of 5m/s and travels from X to Y with a constant acceleration of 2m/s^2. The car then moves with a constant retardation of 3.5m/s^2 from Y to Z and comes to

asked by Ajila Ayobami on July 27, 2016
4. ### Math

A car travels along a straight road, heading east for 1 h, then traveling for 30 min on another road that leads northeast. If the car has maintained a constant speed of 48 mi/h, how far is it from its starting position? Round your

asked by Jessica on April 13, 2011
1. ### physics

A car travels on a straight road for 40km at 30km/h. It then continues in same direction for 40km at 60km/h. a)What is the average velocity of the car during the 80km trip?(assume it moves in positive x direction) b)What is the

asked by sara on September 10, 2006
2. ### Physics

Two cars are traveling along a straight road. Car A maintains a constant speed of 79 km/h and car B maintains a constant speed of 114 km/h. At t = 0, car B is 36 km behind car A. (a) How much farther will car A travel before car B

asked by Anonymous on July 8, 2015
3. ### Engineering Physics

A car and a train move together along straight, parallel paths with the same constant cruising speed v(initial). At t=0 the car driver notices a red light ahead and slows down with constant acceleration -a(initial). Just as the

asked by Andrew Rozmarynowycz on September 16, 2009
4. ### physics college

An antelope moving with constant acceleration covers the distance between two points 70.0 m apart in 7.00 s. Its speed as it passes the second point is 15.0 m/s. (a) What is its speed at the first point? (b) What is its

asked by meera on October 8, 2010
1. ### Physics

Two cars are driving at the same constant speed on a straight road, with car 1 in front of car 2. Car 1 suddenly starts to brake with constant acceleration and stops in 10 m. At the instant car 1 comes to a stop, car 2 begins to

asked by Dingo on August 7, 2019
2. ### Physics

A car travels at a speed of 25 m/s on a flat stretch of road. The driver must maitain pressure on the accelerator to keep the car moving at a constant speed. Are there any forces doing work on the car? Explain. What is the net

asked by Kourt on February 3, 2011
3. ### physics

Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance Da beyond the starting line at t=0. The starting line is at x=0. Car A travels at a constant speed

asked by mjLa on June 30, 2011
4. ### Physics

A car of mass 1000kg is travelling along a straight flat road at a constant speed of 30.0ms^-1. It then accelerates with constant acceleration of 3.00ms^-2 for 10.0s, after which it continues to travels at a constant speed.

asked by Saphina Almatary on October 17, 2016