If the moon was moved four times further from the earth, would the force of gravity by the earth on the moon increase or decrease?

State the right hand rule of the direction of magnetic field in a conductor carrying current

Who was the first scientist to measure speed as distance over time?

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.