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Mashcka [7]
3 years ago
7

1. What is the speed of an object and the direction it is moving?

Physics
1 answer:
Mariulka [41]3 years ago
6 0

Answer:

Velocity

Explanation:

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I think that the answer is latin
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Why is photoelectric effect important?
vampirchik [111]
Study of the photoelectric effect led to important steps in understanding the quantum nature of light and electrons and influenced the formation of the concept of wave-particle duality. The photoelectric effect is also widely used to investigate electron energy levels in matter.
3 0
3 years ago
Calculate the force between two objects that have
Over [174]

\text { The force between the given two objects is } 1.865 \times 10^{-6} \mathrm{N}

<u>Explanation</u>:

As per given question,

m_{1} \text { is } 140 \mathrm{kg}

m_{2} \text { is } 160 \mathrm{kg}

R is 0.895 m

The force between two objects is  

\mathrm{F}=\frac{G m_{1} m_{2}}{R^{2}}

Where,

F is the force of attraction between two objects in Newton’s (N)

\text { G is the Universal Gravitational Constant }=6.674 \times 10^{-11} \mathrm{N}-\mathrm{m}^{2} / \mathrm{kg}^{2}

m_{1} \text { and } m_{2} \text { are the masses of the two objects in kilograms (kg) }

R is the separation in meters (m) between the objects

Substitute the given values in the above formula,

F=\frac{6.674 \times 10^{-11} \times 140 \times 160}{0.895^{2}}

F=\frac{1.494 \times 10^{-6}}{0.801}

\mathrm{F}=1.865 \times 10^{-6}

\text { The force between the given two objects is } 1.865 \times 10^{-6} \mathrm{N}

6 0
3 years ago
How do hormones affect only certain cells in the body but not others?
Snezhnost [94]
 I<span>f you have studied enzymes its a similar concept. Cells have proteins on the surface of their cell which hormones bind to (called receptors) The receptor must be a complimentary shape to the hormone for it to bind. Only target cells have the receptor with the complimentary shape so only these cells will be affected.</span>
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Your cousin has looked after you your whole life and you always looked up to him. Today he told you he sells drugs; " That's whe
tatuchka [14]

Answer:

Honestly, you should have a firm resolve not to go into drug peddling.

Politely tell him you are not interested in the business, that you are most concerned about your future and the career path you have chosen for yourself already.

He will definitely feel bad, but you can go on to advise him.

You can also advise him to stop and highlight the dangers of doing drugs.

Explanation:

There are a whole lot of disadvantages involved in the drug business,

in fact, the disadvantages out weights the advantages in the long run.

say if one is caught and sent to a life long sentence, or if one is caught up with the effect of the use of hard drugs and the health implication, to the extent that one looses his/her sanity, you see it won't make any sense anymore doing drugs in the long run. so friend you can advise you cousin to stop and thinker of good businesses that cold fetch him cool money, without the law chasing him, with that he can be a contributor to economic growth by paying his taxes too

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