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goldfiish [28.3K]
3 years ago
14

What color indicates a positive result before the addition of zinc? after?

Biology
1 answer:
Paul [167]3 years ago
8 0
The color red can indicate a positive result
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when its is winter in North America it is summer in South America and vise versa

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Beny mendorong kereta belanja dengan gaya sebesar 250 N
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Menjawab:

a) 250N

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Penjelasan:

a) Upaya yang dilakukan beny untuk mendorong gerobak tersebut setara dengan gaya yang diterapkan untuk mendorong beban. Oleh karena itu, Effort beny yang digunakan setara dengan 250N

b) Daya = Pekerjaan selesai / Waktu

Karena usaha yang dilakukan = Gaya × jarak

Daya = Gaya × jarak / waktu

Diberikan

Angkatan = 250N

Jarak = 50m

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Yg dibutuhkan

Power Beny melakukannya untuk mendorong keranjang belanjaan.

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Daya = 12500/50

Daya = 250Watt

Oleh karena itu, Benny menggunakan tenaga 250 watt untuk mendorong kereta belanja tersebut

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