3 years ago

When Javier touches a hot mug of tea, energy is transferred from the surface of the mug to his hand. What kind of

Physics

2 answers:

Phoenix [80]3 years ago

8 0

Answer:

<em>thermal</em> definitely

Explanation:

I had this question on the test and i got it right.

nalin [4]3 years ago

6 0

Thermal. The tea is HOT and thermal energy is normally warmth

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A car is moving 14.4 m/s. It decelerates at -1.55 m/s^2 for 4.26 s. It then accelerates at 1.83 m/s^2 until it reaches 11.8 m/s.

Aleonysh [2.5K]

The total time is 6.45 s

Explanation:

The motion of the car is a uniformly accelerated motion, so we can use suvat equations.

In the first part,

$u_1 = 14.4 m/s$ (initial velocity)

$a_1 = -1.55 m/s^2$ (acceleration)

$t_1=4.26 s$ (time of the first part)

So, we can find the velocity of the car after the first part, by using

$v_1 = u_1 +a_1 t_1 =14.4+(-1.55)(4.26)=7.8 m/s$

This is therefore the initial velocity of the second part:

$u_2 = v_1 = 7.8 m/s$

$a_2 = 1.83 m/s^2$ (acceleration in the second part)

$v_2 = 11.8 m/s$ (final velocity)

And therefore,

$v_2 = u_2 + a_2 t_2\\t_2=\frac{v_2-u_2}{a_2}=\frac{11.8-7.8}{1.83}=2.19 s$

So, the total time is

$t=t_1+t_2=4.26+2.19=6.45 s$

Learn more about uniformly accelerated motion:

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3 years ago

The valuation of business depends on

Eddi Din [679]

Answer:

Growth Prospects. This factor looks at how much potential the business has to grow in the future.

Earnings history. Income is a major factor in the valuation of any business.

Location. As with real estate, business is all about location, location, location.

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Staff and Management.

Reputation.

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3 years ago

Waves that move the particles of the medium parallel to the direction in which the waves are traveling are called?

OLEGan [10]

<span>Longitudinal Waves is the correct answer</span>

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Which is a measure of force? A. distance B. mass C. volume D. weight

Deffense [45]

Answer:

B. Mass

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mass Includes newton which is a measure of force

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A materiel that allows electricity to flow easily is called an

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A materiel that allows electricity to flow easily is called an conductor

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