3 years ago

What is the difference between speed and volocity?

Physics

1 answer:

Sliva [168]3 years ago

3 0

The average speed is the distance per time ratio. velocity is the rate at which the position changes

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3 years ago

Blueberries cost $4.00 per pound, how many blueberries can you buy for $1.00

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Answer:

1/4 of a pound or 4 ounces

Explanation:

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fgiga [73]

Answer:

t = 17199 years

Explanation:

given,

mass of sample = 1.09 Kg

Activity of living material = 15 decays / min /g

Activity of living material = 15 x 1000 decays /min /kg

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desegregation constant

λ = 0.693 / 5700

$A'= A e^{-\lambda\ t}$

$A'= 1.09 \times 15 \times 1000 e^{-\lambda\ t}$

$2020= 1.09 \times 15 \times 1000 e^{-\dfrac{0.693}{5700}\times t}$

$0.124=e^{-\dfrac{0.693}{5700}\times t}$

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$\dfrac{0.693}{5700}\times t = 2.09$

t = 17199 years

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3 years ago

When calculating gravity between 2 objects, where should the distance be measure from?

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3 years ago