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2 years ago

ILL GIVE BRAILIST THING

Physics

1 answer:

Talja [164]2 years ago

4 0

Answer:

Explanation:

The volume of the chess can be found by using the formula

volume = final volume of water - initial volume of water

From the question

final volume of water = 43 mL

initial volume of water = 35 mL

We have

volume = 43ml - 35ml = 8 mL

We have the final answer as

Hope this helps you

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mixas84 [53]

Solution :

Given weight of Kathy = 82 kg

Her speed before striking the water, $V_o$ = 5.50 m/s

Her speed after entering the water, $V_f$ = 1.1 m/s

Time = 1.65 s

Using equation of impulse,

$dP = F \times dT$

Here, F = the force ,

dT = time interval over which the force is applied for

= 1.65 s

dP = change in momentum

dP = m x dV

$= m \times [V_f - V_o]$

= 82 x (1.1 - 5.5)

= -360 kg

∴ the net force acting will be

$F=\frac{dP}{dT}$

$F=\frac{-360}{1.65}$

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2 years ago

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Average speed is the ratio of total distance moved by Chi in total time interval

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now by the formula of average speed we know that

$v_{avg} = \frac{d}{T}$

$v_{avg} = \frac{0.5 km}{1/3 h}$

$v_{avg} = 1.5 km/h$

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