Convex.
Concave curved inward (like how a cave foes in) and convex curves outward. Reflected and refracted do not apply to a lens.
According to newton's law Force = mass * acceleration
so , 100 = 50 * a
so , a= 2 m/s^2
Compression is above the equilibrium and rarefaction is below
Answer:
Explanation:
A
Those devices the hold up while the pitcher is pitching measures speed. It has nothing to do with weather and temperature.
