The ionosphere ___. -warms The troposphere
-is used to send radio signals
-is made of different gas layers
-causes storms clouds and weather

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?

Suppose an objects initial velocity is 10m/s and it’s final velocity is 4 m/s. mass is constant. what can best be concluded about the object based in the work-energy theorem

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87