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3 years ago

How much must an object weigh to be able to float in water?

Physics

2 answers:

alekssr [168]3 years ago

5 0

Answer:

less than one gram

Explanation:

big brain

creativ13 [48]3 years ago

4 0

Answer:

less than a gram

Explanation:

because yes

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What force besides gravity would act on something that had been thrown in the air

vlabodo [156]

Air resistance could be acting on the object

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3 years ago

Define parallel circuit

Flauer [41]

Answer:

A circuit with two or more paths

Explanation:

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4 years ago

Someone help me with these two questions ASAP!!!

pav-90 [236]

for the top on b the bottom a

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4 years ago

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4. Consider a ball thrown straight upward. It moves up, changes direction, and falls back down.

Vinvika [58]

Answer:

Hey your answer is (ii)

You see as it goes up it starts to decelerate but it reaches 0 velocity and then starts to accelerate back down agian.

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3 years ago

A person of mass 68.1 kg escapes from a burning building by jumping from a window situated 27.4 m above a catching net. The acce

dedylja [7]

Answer:21.27 m/s

Explanation:

Given

Mass of person(m)=68.1 kg

height of window=27.4 m

Air resistance =105.4 N

air resistance deceleration $=\frac{105.4}{68.1}=1.54 m/s^2$

let V be the Velocity of person before hitting

$v^2-u^2=2as$

$v^2-0=2(9.8-1.54)27.4$

$v=\sqrt{452.648}=21.27 m/s$

5 0

4 years ago