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Rzqust [24]
3 years ago
15

24. While measuring the length of a book, the reading of the scale at one end is 5.0 cm and at the other end is 20.5

Physics
1 answer:
il63 [147K]3 years ago
3 0

Answer:

...do

Explanation:

24. While measuring the length of a book, the reading of the scale at one end is 5.0 cm and at the other end is 20.5

cm. What is the length of the book in mm?

25. Explain the modifications

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3 years ago
A toy dart gun generates a dart with a momentum of 140 kg*m/s and a
irinina [24]

Answer:

35 kg

Explanation:

From the question,

Momentum (I) = mass (m) × velocity (v)

I = m×v................... Equation 1

Where m = mass, v = velocity

make m the subject of the equation

m = I/v.................... Equation 2

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m = 140/4

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which two gases in earths atmosphere are believed by scientists to be greenhouse gases that are major contributors to global war
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Nitrogen and carbon dioxide??
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1 year ago
Two 5.0 kilogram objects have different gravitational potential energies. What property of the objects must differ?
ipn [44]

Answer:

Height.

Explanation:

Potential energy can be defined as an energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

P.E = mgh

Where,

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m represents the mass of an object.

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Hence, the property of the object (having a mass of 5 kilograms) which must differ to have different gravitational potential energies is the height from which they are falling from.

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