Motion in A Straight Line

Question: A motor car moving with a uniform speed of \[20\,m/\sec \] comes to stop on the application of brakes after travelling a distance of\[10\,m\] Its acceleration is

1) \[20\,m/{\sec ^2}\]

2) \[ - 20m/{\sec ^2}\]

3) \[ - 40\,\,m/{\sec ^2}\]

4) \[ + 2m/{\sec ^2}\]

Solution:

Explanation: Explanation

non-uniform-motion

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)