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irina1246 [14]
3 years ago
14

What is the speed of a wave that has a frequency of 125 Hz and a wavelength of 1.25 meters?

Physics
1 answer:
kirill115 [55]3 years ago
5 0
Using the "v = f. λ" <span>equation...
 
Your "v" or </span>velocity = 156.25 meters/second
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A circuit has a voltage drop of 60.0 V across a 120.0 resistor that carries a current of 0.500 A. What is the power conducted by
olasank [31]

Answer:

Power, P = 30 W

Explanation:

We have,

Voltage drop of a circuit is 60 V

Resistance of the resistor is 120 ohms

Current across the circuit is 0.5 A

It is required to find the power conducted by the resistor. Power conducted by a resistor is given by :

P=VI

V and I are voltage and current

P=60\times 0.5\\\\P=30\ W

So, the power conducted by the resistor is 30 watts.

3 0
3 years ago
When will the human population stop growing?
o-na [289]
I think it’s when the sun explodes because since we need to the sun I think the human population will fall out. also a huge war, a meteoroid huge as the one that killed the dinosaurs comes down, there is so much ways on how the human population can stop growing. hope this help at least!
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3 years ago
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Dump Tower is 96 stories tall. A small, 1.2-kg object is dropped over the side of the roof of the tower and accelerates toward t
laiz [17]

Answer:

6.0 s

98 m/s

Explanation:

The radius of the planet is much bigger than the height of the tower, so we will assume the acceleration is constant.  Neglect air resistance.

Acceleration due to gravity on this planet is:

a = GM / r²

a = (6.67×10⁻¹¹ m³/kg/s²) (2.7 × 1.48×10²³ kg) / (1.7 × 750,000 m)²

a = 16.4 m/s²

The height of the tower is:

Δy = 96 × 3.05 m

Δy = 293 m

Given v₀ = 0 m/s, find t and v.

Δy = v₀ t + ½ at²

(293 m) = (0 m/s) t + ½ (16.4 m/s²) t²

t = 6.0 s

v² = v₀² + 2aΔy

v² = (0 m/s)² + 2 (16.4 m/s²) (293 m)

v = 98 m/s

8 0
3 years ago
A car with an initial velocity of O m/s and a mass of 1500 kg reaches a velocity of 15 m/s in 5
Flura [38]

Answer:the answer can be find out by the following steps;

Explanation:

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Convert 525 pounds to kilograms using dimensional analysis setup
kobusy [5.1K]
You can do it I believe in you
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3 years ago
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