Question

the planet COROT-7b is 489 light hears awayfrom earth and has a gravitational acceleration at its surface of 1.3 times that of earth. in the year 7821, you hold a football game to celebrate your arrival. you have a kicker on the team who consistently hits the ball on earth with a speed of 22m/s at an angle 40 above the horizontal a) what is the horizontal distance that the ball travels on earth in the same conditions b) what is the horizontal distance that the ball travels on COROT-7b? c) for how much longer is the ball in flight on earth?

Answer 1

9.3 2 7D 20 = 2.88] see.