How would doubling the mass of Earth affect the gravity we experience?​

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted