A uniform metre rule mass of 50g substerded at a fee 0.1m mark find the position (x) of the knife edge​

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

Give an example in which the electrical energy changes to light energy

What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g