Your abrasive wheel guards should follow which of the standards below: a. all of the answers b. cover the spindle end, nut, and flange projections c. don't exceed the strength of the fastenings d. maintain proper alignment with the wheel

Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)