6. A bullet having a mass of 0.005kg is moving with a speed of 100m/s. It penetrates into a bag of sand and is brought to rest after moving 25cm into the bag. find the decelerating force on the bullet. Also calculate the time in which it is brought to rest. Motion problem no 6. Sindh Textbook Board (stb) problems

6. A bullet having a mass of 0.005kg is moving with a speed of 100m/s. It penetrates into a bag of sand and is brought to rest after moving 25cm into the bag. find the decelerating force on the bullet. Also calculate the time in which it is brought to rest.