18.D
19.A
20.C
21.B
theses are going to be your answers
Answer:
Low to moderate natural light
Explanation:
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acceleration a = v - u / t = 25 - 13 / 6 = 2 m/s^2
so that distance travelled S = v^2 - u^2 / 2 a = 25 x25 - 13 x13 / 2 x 2 = 114 m.
Answer: c. The Gravitational Force forms an action-reaction pair
Explanation:
Newton's third law of motion talks about how for every amount of force exerted, there is an equal yet opposite reaction force exerted. This gives rise to Action-Reaction pairs.
Gravitational force forms an action-reaction pair when it is exerted for instance, the Gravitational force exerted on a person by the Earth is a person's weight. At the same time however, the person is exerting a gravitational force on the earth in the form of their weight.
Answer:
Irregular
Explanation:
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