Describe the force board experiment

1 answer:

5 0

When you swing a bucket of water over your head you probably expect a big wet rush of water to soak you as the bucket goes upside down, However if you were swinging the bucket fast enough nothing happens.

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you are traveling in a convertible with the top down. the car is moving at a constant velocty of 25 m/s due east along falt grou

velikii [3]

Answer:

Teh velocity of ball with respect to the ground is 29.2 m/s.

Explanation:

Velocity of car, vc = 25 due m/s east

velocity of ball with respect to car, v(b,c) = 15 m/s due Z axis

Write the velocities in the vector form

$\overrightarrow{v}_{c}=25 \widehat{i}\\\\\overrightarrow{v}_{(b,c)}=15 \widehat{k}$

The velocity of ball with respect to ground is

$\overrightarrow{v}_{(b,c)}= \overrightarrow{v}_{(b,g)}-\overrightarrow{v}_{(c,g)}\\\\15 \widehat{k} = \overrightarrow{v}_{(b,g)} - 25 \widehat{i}\\\\\overrightarrow{v}_{(b,g)} = 25 \widehat{i} + 15 \widehat{k}\\\\v_{(b,g)}=\sqrt{25^2 + 15^2}=29.2 m/s$

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3 years ago

Can you plz make me brainliast?

bekas [8.4K]

Answer:

I dont know what to answer so im just gonna say ok

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3 years ago

Why is it important to have the international system of units?

Roman55 [17]

It is important to have the international system of units 'cause <span>it can be used by scientists everywhere around the world, and they will be able to understand each other with more accuracy.

In short, Your Answer would be Option D

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3 years ago

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How did unarmed defense techniques develop? Why were they needed? Why not just use a knife or a sword?

Arturiano [62]

Answer:

Buddhist monks traveled from india to china and because of their beliefs they weren't allowed to use weapons.

Explanation:Ez

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Find the equivalent resistance, the current supplied by the battery and the current through each resistor when the specified res

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