Answer:
(a) dime
Explanation:
Convert all to metric unit:
0.5 cm = 0.005 m
1.8 cm = 0.018 m
71 cm = 0.71 m
In order to find out we would need to calculate the ratio R between the object diameter d and their distance s to our eyes:
Since the ratio of the dime is larger than the ratio of the moon, and the ratio of the pea is smaller than the ratio of the moon, only the (a) dime can cover your view of the moon.
Answer:
It is primarily due the Sun.
Explanation:
Sun is the ultimate source of energy.
Due to the heat of Sun, the atmosphere heats up unevenly. Due to which there is a temperature difference between the two regions. As the temperature difference is maintained, the air flows, i.e., atmosphere is moving.
Similarly, water gets heat up unevenly in oceans. Due to which a temperature difference is maintained between two points in the ocean and thus the oeans are moving constantly.
Answer:
B
Explanation:
Energy at the top of the hill = energy at the bottom of the hill + energy lost
PE = KE + E
mgh = 1/2 mv² + E
(52 kg) (9.8 m/s²) (50.0 m) = 1/2 (52 kg) (25 m/s)² + E
25480 J = 16250 J + E
E = 9230 J