A 400-kg roller coaster cart reaches point B with a speed of 35 m/s. How fast was it traveling when it was at point A?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Which describes an object in projectile motion? check all that apply. a.gravity acts to pull the object downb. the object moves in a straight path. c.the forward velocity of the object is 0 m/s. d.the object’s inertia carries it forward. e.the path of the object is curved.

Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”