A spotlight shines on an area 20.0 m away with an illumination of 25.0 Ix.

What is the luminous flux emitted by the spotlight? *

Answers

- 15,400 lm

- 6,280 lm

- 126,000 lm

- 102,000 Im

Awalk up the phase change graph worksheet

Sound is a disturbance that travels through a medium as a

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.