The unit of electric current is the

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

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