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Rashid [163]
3 years ago
13

What radiation do remote controls use?

Physics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0

Answer:infrared radiation

Explanation:

Most remote control uses infrared radiation

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D. Empty Space

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A 5 .0kg cart is moving horizontaly at 6 .0m/s in order to change its speed to 10m/s the net work done on the cart must be
ahrayia [7]

Answer:

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Given;

mass of the cart, m = 5.0 kg

initial velocity of the cart, u = 6 m/s

final velocity of the cart, v = 10 m/s

The net work done on the cart is equal to change in average kinetic energy of the cart;

W = K.E = \frac{1}{2} m(v^2-u^2)\\\\W = \frac{1}{2} \times 5(10^2-6^2)\\\\W = 160 \ J

Therefore, the net work done on the cart is 160 J.

8 0
3 years ago
If an airplane flies at 364 km/h, how long will it take to get from New York to Washington DC (288 km)? (If needed, round to the
Kazeer [188]

Answer:

0.791 h

Explanation:

Distance = rate × time

288 km = 364 km/h × t

t = 0.791 h

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3 years ago
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