In the series circuit, is the current constant throughout the circuit, or does it vary?

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

Which type of wave can travel without a medium

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up