3 years ago

What evidence exists that an electric current produces a magnetic field, and what

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1 answer:

Svetllana [295]3 years ago

6 0

Answer:

why u always in the mood messing around acting brand new

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Answer:

A student could conclude that the cart gained momentum as it rolled down.

Explanation:

If the cart was allowed to roll down the ramp from rest, it means that the initial velocity of the cart is zero (0). Also, if the final velocity of the cart became 25 cm/s, it means that the velocity of the cart increased from 0 to 25 cm/s.

Therefore, A student could conclude that the cart gained momentum as it rolled down.

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What is this Regeneration

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Regeneration means that an organism regrows a lost part, so that the original function is restored.

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A hungry 173173 kg lion running northward at 82.782.7 km/hr attacks and holds onto a 36.236.2 kg Thomson's gazelle running eastw

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Answer:

the final speed after attack is 69.09 km/h

Explanation:

lion weight = 173 kg

running northward at 82.7 km/hr

weight of gazelle = 36.2 kg

running eastward at 57.4 km/hr

using momentum conservation along north direction

(173) × (82.7) = (173 + 36.2 ) × vₙ

vₙ = 68.38 km/h

using momentum conservation along east direction

36.2 × 57.4 = (173 + 36.2 ) × vₓ

vₓ = 9.93 km/h

$v = \sqrt{v^2_n+v^2_x} \\v = \sqrt{68.38^2+9.93^2}\\v=69.09 km/h$

hence the final speed after attack is 69.09 km/h

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