a car is moving at a constant speed of 40 km per hour along a straight road which headds towards a large vertical wall and makes a sharp 90 degree turn by the side of a walla fly flying at a constant speed of 100 km per hour starts from the wall towards the car at an instant when the car is no 20 kilometre away flies until it with the glass plane of the car and returned to the wall at an SMS Fitbit contribute to this line between the car and wolf till the car makes the 90 degree turn what is the total distance the fly has travelled during this period how many teeth has it made between the car and the wall

Sachin , 5 Years ago

Grade 12th pass