Newspaper article looking at whether space exploration should continue. You should write a paragraph for each side
of the argument and draw your own conclusion

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground