This equation represents newton's second law of motion, f=ma. it shows the relationship of force, mass, and acceleration. how will the acceleration of an object change if the force acting on it is doubled, but the mass of the object remains the same? a. the acceleration will be doubled. b. the acceleration will be quadrupled. c. the acceleration will remain the same. d. the acceleration will be decreased by half.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.