Answer:
1.75 kW
Explanation:
First, the rate at which work is done is simply termed Power
m = 35kg
v = 5.0 m/s
since the undergoes a vertical motion g = 10 m/s²
F = W = mg = 35×10 = 350 N
Power = Fv = 350×5 = 1750 Watt
Answer:
Laws are statements about something that's been observed and stated while a theory is an explanation of what's been observed. This connection between them forms a main idea that many people regulate as "what's normal."
Explanation:
Hiya!
An ecosystem is an entire community of living things. They have life cycles, breathe, eat, etc., and all interact with one another. Non-living things, like rocks are dirt, are also a part of an ecosystem. Everything lives in one!
Unfortunately, humans can harm the ecosystem. Fossil fuels, non-renewable resources like coal and oil, killing of animals, and dumping toxic waste can and does harm the ecosystem.
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In exothermic reactions, heat and light are released to the surrounding environment. On the other hand, in an endothermic reaction, heat is required and therefore it can be considered as a reactant.
- In exothermic reactions, light and heat are released into the environment (Option D).
- Exothermic reactions release energy in the form of heat or light.
- Combustion reactions are generally exothermic reactions.
- After an exothermic reaction takes place it is possible to observe that the energy of the products of the reaction is lesser than the energy of the reactants.
- The energy released in exothermic reactions is evidenced by the increase in temperature of the reaction.
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C. Theory. Theories are accepted explanations of phenomenon based on no evidence to dispute it. Theories can be disproved and are not perfectly accurate.