You are near sighted in your left eye and far sigthed in your right eye. The furthest you can see with your left eye is 400 cm and the closest you can see with your right eye is 50 cm. Design a pair of glasses to correct your eyes to infinity (left) and 25 cm (right), respectively.

What are the phases shown in a and d called?

After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?