# Science

posted by .

A bus decrease it's speed from 80km/h to60km/h in 5min .find it's acceleration

• Science -

(60-80)/5 = -4 km/h/min

You can convert that to m/s^2 or leagues/hr^2 of the units of your choice.

## Similar Questions

1. ### Physics

A personne walking at a speed of 1.7m/s see's a stoped bus 25m from him. At this moment this person starts to run with an acceleration of 1,3m/s2. After 4 secondes this personne has reached his maximum speed et it stays constant, but …
2. ### physics

1.The speed of a train increased from 15 mi/hr to 25 mi/hr in a distance of 500 ft. Calculate the average acceleration in ft/s2. 2.An airplane taking off from a landing field has a run of 500 m. It starts from rest, moves with constant …
3. ### Science

Please i really need help with this!!! Question: Suppose a treadmill has an average acceleration of 4.7x10^-3 m/s. a)how much does its speed change after 5min?
4. ### physic

A man is running at speed c (much less than the speed of light) to catch a bus already at a stop. At t=0, when he is a distance b from the door to the bus, the bus starts moving with the positive acceleration a. Use a coordinate system …
5. ### maths

Raj 's office is 2x km away from his home.He covers half of the distance by bus at a speed of 80km/hr and the rest by auto rickshaw at speed of 70km/hr.If the time taken to reach the office is 3hrs,find the distance between raj 's …
6. ### math

the distance between town A and town B was 210km. At 9:20pm a bus sets off from town A to town B and a car left from town B to town A. The average speed of the bus was 60km/h and the average speed of the car was 80km/h. a)Calculate …
7. ### Science

a car is moving at 80km/hr and slows down to 13km/hr in 9.75 seconds. Calculate the car's acceleration Formula for acceleration= Final speed-Initial/Time
8. ### Math

The distance between Town A and Town B was 210 km. At 9:20 P.M., a bus set off from Town A to Town B and a car left from Town B to Town A. The average speed of the bus was 60 km/h, and the average speed of the car was 80km/h. a) Calculate …
9. ### Physical science check my answers

2. On my bike, I was able to travel 40 miles in one hour. From this information, we can determine the bike's A. speed. *** B. velocity. C. acceleration. D. direction. 3. The local news team is tracking the storm and has reported that …
10. ### science

A non stop bus goes from one station to another station with a speed of 54 km per hour. The same bus returns from the second station to the first station with a speed of 36 km per hour . Find the average speed of the bus for the entire …

More Similar Questions