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Nataly [62]
3 years ago
11

When falling through the air, which of the following objects will hit the ground first?

Physics
2 answers:
Lesechka [4]3 years ago
6 0
They would all fall and hit the ground at the same time
ipn [44]3 years ago
5 0
I think the answer is a penny

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Why does a Parallel Circuit still continue to function after a switch turns off one bulb but continues to pass through the secon
sertanlavr [38]

Explanation:

In short, when we switch off a branch, the remaining branch still forms a complete circuit with the battery, so electricity still pass through the remaining branch.

Technically speaking, the voltage in each branch is the same, and the resistance of the light bulb remains unchanged (neglect effect of temp.) by V=IR, the current should remain unchanged after switching off the other branch.

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A bus resists changes in its motion. Why is this?
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A snail can move approximately 0.30 meters per minute. How many meters can the snail cover in
Alexxx [7]
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3 years ago
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6.6 kg block initially at rest is pulled to theright along a horizontal, frictionless surfaceby a constant, horizontal force of
neonofarm [45]

Answer:

v = 3.04 m/s

Explanation:

given,

mass of the block, M = 6.6 Kg

horizontal force, F = 12.2 N

distance, L = 2.5 m

initial speed  = 0 m/s

speed of the block,v = ?

we now

Work done is equal to change in Kinetic energy.

Work done = Force x displacement

W = Δ K E

Δ K E = Force x displacement

\dfrac{1}{2}mv^2 - \dfrac{1}{2}mu^2= F .s

\dfrac{1}{2}\times 6.6 \times v^2 - 0= 12.2\times 2.5

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     v² = 9.242

      v = 3.04 m/s

speed of the block is equal to 3.04 m/s

4 0
3 years ago
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