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Leni [432]
3 years ago
5

Which type of modulation is used by remote-control toys?

Physics
2 answers:
Serhud [2]3 years ago
5 0

Answer:

pulse

Explanation:

Dima020 [189]3 years ago
3 0

Answer:

Explanation:

Experts in this field report that the modulation is FM or frequency modulation. There are exceptions, but they were not listed.

The usual frequencies allocated to these toys is 27 MHz and 72 Mhz.

There is not much chance of interference because the range is small even with a good transmitter.

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6 0
3 years ago
Give reason for the following:
Zigmanuir [339]

a) An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. <u>This is because a positive and negative electric charge is produced, therefore the balloon sticks to the wall.</u>

b) When an object is thrown up, it comes back to ground <u>because of gravitational attraction force of earth</u>.

c) Mountaineers suffer nose bleeding at higher altitudes <u>because the oxygen level decreases with increase in altitude, which the body cannot adjust.</u>

d) Foundations of high rise buildings are kept wide <u>because more is the area of contact, less is the pressure efforts. So, foundations are wide so as to decrease the possibility of the building from falling down.</u>

e) Deep sea divers or high altitude fliers wear special suits <u>so as prevent their body from being crushed by the water pressure. Since water pressure is maximum at deep seas and oceans, therefore, more is the risk of being injured.</u>

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HOPE IT HELPS...

5 0
3 years ago
Which celestial objects come in direct contact with earth
Lubov Fominskaja [6]

Answer:

Sun

Explanation:

Any asteroid in space is a celestial body. Classification of Celestial Bodies. A star is a form of a celestial object made up of a shining spheroid of plasma held together by its own gravity. The nearby star to Earth is the Sun.

8 0
3 years ago
Bola bermassa 200 gram dilempar
ikadub [295]

Answer:

0.4

Explanation:

\frac{1}{2} mv ^{2}

kinetic energy formula , potential energy is not considered

0.5×0.2×2×2

8 0
3 years ago
Anwser , This Picture
egoroff_w [7]
I think CD because it was positive but also had the fastest velocity in 1 second
3 0
3 years ago
Read 2 more answers
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