Early test flights for the space shuttle used a "glider" (mass of 970 kg including pilot). After a horizontal launch at 500 km/h at a height of 3500 m , the glider eventually landed at a speed of 210 km/h .

How does convection affect our atmosphere? our layers of earth? our oceans?

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity