You perform an experiment to measure the speed of a car over time. The results are shown in the graph below.

What is the best inference for the speed of the car after 3 seconds?

A. 19 m/s

B. 17 m/s

C. 21 m/s

D. 14 m/s

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

To a of 4 x hz is 1. 0. mm nm nm