a 200kg object and 500kg object are separated by 4m(a)find the net gravitational force exerted by these objects on 50kg placed midway between them (b) at what position can50kg object placed so as to experience anet force of zero from the other two object?

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !