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VashaNatasha [74]
3 years ago
10

Apa saja manfaat sumber daya hewan?

Physics
1 answer:
wlad13 [49]3 years ago
8 0

Hewan peliharaan, seperti ternak, memberi kita makanan, serat, dan kulit. Hewan liar, termasuk burung, ikan, serangga, dan penyerbuk, penting untuk mendukung jaring aktivitas dalam ekosistem yang berfungsi. Populasi tumbuhan dan hewan yang sehat sangat penting bagi kehidupan.

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The hour, minute, and second hands on a clock are 0.25 m , 0.31 m , and 0.34 m long, respectively.
sp2606 [1]

In 1 hour, the hour hand sweeps across 1/12 of the clock's face. In 40 min, the hour hand travels (40 min)/(60 min) = 2/3 of the path it covers in an hour, so a total of 1/12 × 2/3 = 1/18 of the clock's face. This hand traces out a circle with radius 0.25 m, so in 40 min its tip traces out 1/18 of this circle's radius, or

1/18 × 2<em>π</em> (0.25 m) ≈ 0.087 m

The minute hand traverses (40 min)/(60 min) = 2/3 of the clock's face, so it traces out 2/3 of the circumference of a circle with radius 0.31 m:

2/3 × 2<em>π</em> (0.31 m) ≈ 1.3 m

The second hand completes 1 revolution each minute, so in 40 min it would fully trace the circumference of a circle with radius 0.34 m a total of 40 times, so it covers a distance of

40 × 2<em>π</em> (0.34 m) ≈ 85 m

6 0
3 years ago
How do I calculate how many meters are in 7.2 light years?
Vikentia [17]

Answer:

68.2 Quadrillion meters

Explanation:

A lightyear is the distance that light travels in one year.

Speed of light is 3*10^8\ m/s

So light covers 300,000,000 meters in one second.

One year has 31536000 seconds so , light covers

9.461*10^{15}\  meters\ in\ one\ year

so 7.2 light years is

7.2*(9.461*10^{15})\\6.82*10^{16}

so 7.2 light years is

6.82 x 10^(16) meters or

68.2 Quadrillion meters

5 0
3 years ago
To withstand ‘g-forces’ of up to 10 g’s, caused by suddenly pulling out of a steep dive, fighter jet pilots train on a ‘human ce
Marina86 [1]

Answer:

34.292 m/s

Explanation:

When plane dives the gravitational acceleration becomes 10 times extra i-e

acceleration a = g= 10g's=10 ×9.8= 98 m/sec2

radius of dive circle = 12 m

v= speed= ?

Using

a= \frac{v^{2} }{r}

==> v^{2} = a × r = 98 × 12 = 1176 (\frac{m}{s}) ^{2}

==> v= \sqrt{1176(\frac{m}{s} )^{2} }

==> v= 34.292 m/s

4 0
3 years ago
Static charge develops on a substance as it acquires or loses protons due to friction.
Kipish [7]
True because once it builds up enough + or - charges
5 0
3 years ago
Which liquid has a higher density; shampoo or rubing (isopropyl) alcohol?
statuscvo [17]
Shampoo has a higher density
4 0
4 years ago
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