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3 years ago

If mass increases - Force of gravity increases A. True B.False

Physics

1 answer:

rewona [7]3 years ago

5 0

The answer is True.

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Kenny and Chris are walking down the road. They walk a distance of 250meters in

ruslelena [56]

Explanation:

Distance is 250m

Time is 50sec

Formular

Speed= distance/time

Speed=250/50

Speed is 5m/s

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3 years ago

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torisob [31]

Answer:

a coil rotating in a magnetic field to change its flux

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2 years ago

Sixty identical drippers, each with a hole of diameter 1.00 mm, are used to water a yard. If the water in the main pipe of diame

VashaNatasha [74]

Answer:

$V = 5.30 *10^{-2} \ m^3$

$v_1 = 0.3127 \ m/s$

Explanation:

From the question we are told that

The number of identical drippers is n = 60

The diameter of each hole in each dripper is $d = 1.0 \ mm = 0.001 \ m$

The diameter of the main pipe is $d_m = 2.5 \ cm = 0.025 \ m$

The speed at which the water is flowing is $v = 3.00 \ cm/s = 0.03 \ m/s$

Generally the amount of water used in one hour = 3600 seconds is mathematically represented as

$V = A * v * 3600$

Here A is the area of the main pipe with value

$A = \pi * \frac{d^2}{4}$

=> $A = 3.142 * \frac{0.025^2}{4}$

=> $A = 0.0004909 \ m^2$

=> $V = 0.0004909 * 0.03 * 3600$

=> $V = 5.30 *10^{-2} \ m^3$

Generally the area of the drippers is mathematically represented as

$A_1= n * \pi \frac{d^2}{4}$

=> $A_1 = 60 * 3.142 * \frac{0.001 ^2}{4}$

=> $A_1 = 4.713 *10^{-5} \ m^2$

Generally from continuity equation we have that

$Av = A_1 v_1$

=> $0.0004909 * 0.03 = 4.713 *10^{-5} * v_1$

=> $v_1 = 0.3127 \ m/s$

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3 years ago

What happens as a result of heat transfer?

Neko [114]

It get hotter
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Please help me on number 9 :)

Ronch [10]

The answer is a !!!!!!

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3 years ago