camden constructs a model of a double convex lens using two clear plastic circles that are round on one side and flat on the other. he attaches the circles at the edges. how does his model look?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

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?

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?