Suggest why it might be a good idea to reduce the pressure of the air in car tyres if the car is to be driven over soft sand or over snow.

A ramp is 1.0 m high and 3.0 m long. What is the IMA of the ramp?

Which bmi score listed below is considered over weight?

Calculate the energy of a photon of electromagnetic radiation

Describing motion using words instead of numbers is called ... kinematics?

Thought Experiment: Now imagine that you were to dump the iron off the side of the boat, would more water be displaced be when the iron was on the boat or when the iron was dumped overboard and now sits in the bottom of the ocean?

Why do atoms move at different speeds depending on wether they are liquids or solids

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?