A car traveling at a speed of 20m/s stops in 4 seconds. Calculate the acceleration of the car and also the distance travelled by the car before it comes to rest.
Please answer me fast guys and don't spam if u give me correct answer I will mark u as Brainlist wrong answer I will report all ur answers which u have answered.
This question is from class 9 chapter 8 Motion
Please answer me fast guys and don't spam if u give me correct answer I will mark u as Brainlist wrong answer I will report all ur answers which u have answered.
This question is from class 9 chapter 8 Motion
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
a =5m/sec
Explanation:
please mark me as a brain list
a =( 0 -20) /4 m/s = -5m/s
here -ve sign denotes retardation
v = d /t => 20 * 4 = d ..
•°• displacement = 80 m