ball is thrown from the ground and reaches a maximum height of 20 m from the ground. The ball falls on the ground at the same level a 25 m away from the point of throw after some time. How much work is done by gravity on the ball? Give reasons in support of your answer.         ​

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.