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4 years ago

A line of dominos falling one by one is an example of energy ________ .

Physics

2 answers:

vovikov84 [41]4 years ago

6 0

Answer and Explanation:

A line of dominoes falling i.e. falling one by one is a prime example of the energy transfer. Energy transfer is referred to as or known as the conversion of one type of energy into the another type, or also referred to as the movement of the energy from one environment to the another. Hence, the answer is <em>energy transfer.</em>

VikaD [51]4 years ago

5 0

A line of dominoes falling one by one is an example of energy transfer. Energy is defined as the capacity to do work.

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A car is moving eastward and speeding up. The momentum of the car is ______.

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I think the answer is C. Remaining constant

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3 years ago

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3 years ago

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3 years ago

The escape speed from an object is v2 = 2GM/R, where M is the mass of the object, R is the object's starting radius, and G is th

Rom4ik [11]

Answer:

Approximate escape speed = 45.3 km/s

Explanation:

Escape speed

$v=\sqrt{\frac{2GM}{R}}$

Here we have

Gravitational constant = G = 6.67 × 10⁻¹¹ m³ kg⁻¹ s⁻²

R = 1 AU = 1.496 × 10¹¹ m

M = 2.3 × 10³⁰ kg

Substituting

$v=\sqrt{\frac{2\times 6.67\times 10^{-11}\times 2.3\times 10^{30}}{1.496\times 10^{11}}}=4.53\times 10^4m/s=45.3km/s$

Approximate escape speed = 45.3 km/s

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3 years ago