What is most often given a value of zero to describe and objects position on a straight line?

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

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?

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?