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MrRissso [65]
3 years ago
13

When a pendulum is swinging, the velocity is highest at which point?

Physics
1 answer:
Tems11 [23]3 years ago
3 0
At the center, when the bob is hanging straight down

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Explanation:

2 km a hour

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3. The smallest bird is the Cuban bee hummingbird, which has a mass of only
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Answer:

2.6 m

Explanation:

The work done by the bird is given by

W=Fd

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F is the force exerted

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In this problem, we know:

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F=3.4\cdot 10^{-4} N is the force

Solving the equation for d, we find the distance covered by the bird:

d=\frac{W}{F}=\frac{8.8\cdot 10^{-4}}{3.4\cdot 10^{-4}}=2.6 m

8 0
3 years ago
I need to know what the answer is to this
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A pull between two objects, for example, between an object and Earth. When forces on an object are balanced, there is no change in speed or direction.

So the answer is I agree
7 0
2 years ago
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Which of the following materials is able to absorb large amounts of energy without changing temperature very much? air concrete
Alinara [238K]
At normal temperature, specific heat of air = 1.006 concrete =0.96 water =4.187 (all are in KJ/KgK) soil = 0.80 So, from <span>Q=mcDeltaT</span><span> higher the specific heat lower the change in temperature for same quantity of heat supplied. Therefore, water is the answer.</span>
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3 years ago
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Which statement best describes the equation CaCO3 + 2HCl → CaCl2 + CO2 + H2O? CaCO3 is a reactant; it is present before the reac
Marat540 [252]

Answer:

CaCl2 is a reactant

Explanation:

Calcium carbonate (CaCO3) is a reagent, it is found on the left side, what is found on the right side are the products.

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3 years ago
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