Consider the graph. Which would best represent wearing a helmet vs. not, during a blow to the head in a crash? Explain. (4 points) Constant area. Smaller time corresponds to a higher peak force Force (N) 2 1 Time (s)

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?