What effect does observing a substance s physical properties have on the substance

How many neutrons are contained in 2 kg? Mass of one neutron is 1.67x10-27 kg.

Is sugar cane a renewable or non-renewable source of energy? And why?

What formula allows you to calculate force?

A scientific hypothesis must be

A vicious dog is pulling his owner with 150N of force. If the owner is dragged 40 meters, how much work did the dog do?

Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel Nikolas if he wanted to accelerate at a rate of 1.

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.