# urgent help needed

Most popular questions and responses by urgent help needed
1. ## Volume

Water flows into the tank at 8 litres per minute. How long will it take to fill the tank. Volume of tank is 60 litres.

2. ## PHYSICS

A ball of mass 0.15kg is dropped from a height of 1.0m onto a flat surface and rebounds to a height of 0.35m. Calculate: (a) The speed of the ball just before the impact, (b) The speed of the ball just after impact, (c) The change of momentum, (d) The

3. ## PHYSICS

A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough horizontal surface. The coefficient of friction between the ladder and this horizontal surface is 0.40. (a) Draw a diagram for the

4. ## Physics

A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough horizontal surface. The coefficient of friction between the ladder and this horizontal surface is 0.40. (a) Draw a diagram for the