Answer:
used in telescope, glasses, cameras, flashlights, peepholes
Explanation:
Concave lens curve inward so they cause light to spread out.
The heat rising from the deseret floor and heat waves make the mirage.
The temperature of a gas in which the atoms are moving slowly is (THE COLD).
THAT'S IT! :)
Answer:
2.5 ms^-2
Explanation:
acceleration
= (final velocity - initial velocity)/time
= [(40m/s) - (20m/s)]/8s
= (20m/s)/8s
= 5/2 m/s²
= 2.5 m/s²
= 2.5 ms^-2
