The mass of earth is 81 times the mass of the moon. Using Newton’s Law of Gravity what would the affect of gravitation be if the mass of the moon were doubled and the distance was also doubled? A. 1/4 the gravitational attraction

B. twice the gravitational attraction

C. Half the gravitational attraction

D. 4 times the gravitational attraction

Aweather forecaster uses doppler radar to predict the track of a storm near the town of meadowlands. when the doppler signal is pointed at the storm from the town's center, the frequencies of the waves appear to be decreasing. what should the weather forecaster predict? a. that the storm will move around the edges of meadowlands without hitting the tosis center o b. that residents should be prepared, because it is impossible to know whether the storm will hit o c. that the storm is moving toward meadowlands and that residents should be prepared d. that the storm is moving away from meadowlands and is not likely to hit the town