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ValentinkaMS [17]
2 years ago
12

would an elephant standing on one leg exert a higher force on a scale than an elephant on four legs. why​

Physics
1 answer:
zlopas [31]2 years ago
7 0

Answer:

no becaus force is mass multiplied by acceleration. the mass of the elephant does not change

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Acetone, a component of some types of fingernail polish, has a boiling point of 56°C. What is its boiling point in units of kelv
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Answer:

The boiling point of Acetone is 329K (in 3 significant figures)

Explanation:

Boiling point of Acetone = 56°C = 56 + 273K = 329K (in 3 significant figures)

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The initial velocity of a 4.0-kg box is 11 m/s, due west. After the box slides 4.0 m horizontally, its speed is 1.5 m/s. Determi
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Answer:

F = - 59.375 N

Explanation:

GIVEN DATA:

Initial velocity = 11 m/s

final velocity = 1.5 m/s

let force be F

work done =  mass* F = 4*F

we know that

Change in kinetic energy = work done

kinetic energy = = \frac{1}{2}*m*(v_{2}^{2}-v_{1}^{2})

kinetic energy = = \frac{1}{2}*4*(1.5^{2}-11^{2}) = -237.5 kg m/s2

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2 years ago
Joe learned that decaying plants produce an acidic environment. Joe wants to know if pill bugs prefer acidic environments instea
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2 years ago
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Point m is located a distance 2d from the midpoint between the two wires. find the magnitude of the magnetic field b1m created a
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Note: The diagram referred to in the question is attached here as a file.

Answer:

The magnitude of the magnetic field is B = \frac{0.071 \mu I}{d}

Explanation:

The magnetic field can be determined by the relationship:

B = \frac{\mu I}{2\pi R}...............(1)

Were I is the current flowing through the wires

The distance R from point 1 to m is calculated using the pythagora's theorem

R = \sqrt{d^{2} + (2d)^{2}  }

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3 0
2 years ago
Construction of a solar power plant is proposed for a desert area near a school. A student has hypothesized that the shade cast
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Answer:

4. The direct sunlight received by creosote bush in the desert area (in kWh/m2) during a 12 month period

Explanation:

The creosote bush depends on sunlight to produce the food they require through photosynthesis. The shade from the solar panels would reduce the amount of sunlight that the bush receives. This would increase the mortality of the bush.

In order to test the hypothesis the student must record the direct sunlight received by creosote bush in the desert area (in kWh/m2) during a 12 month period. If the plants receive sunlight less than the above amount the plants should start dying. If not then the hypothesis is false.

Hence, the answer is 4. The direct sunlight received by creosote bush in the desert area (in kWh/m2) during a 12 month period.

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