Which benefit of stretching makes you more comfortable when you move around?

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

Arrange the images in order to show how lake-effect snow occurs.

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.