3 years ago

When using graphs in science what do x and y axes represent

Physics

1 answer:

omeli [17]3 years ago

4 0

X chromosome an the Y chromosome

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When time is measured in days, the decay constant for a particular radioactive isotope is 0.16. Determine the time required for

san4es73 [151]

Answer:

The time take is $t = 1.3964 \ days$

Explanation:

From the question we are told that

The decay constant is $\lambda = 0.16$

The percentage fall is $c = 0.80$

The equation for radioactive decay is mathematically represented as

$N(t) = N_o * e^{- \lambda t }$

Where is $N(t)$ is the new amount of the new the isotope while $N_o$ is the original

At initial $N_o = 100$ % = 1

At $N(t ) = 80$ % = 0.80

$0.80 = 1 * e^{- 0.16 t }$

=> $-0.223 = -0.16 t$

=> $t = 1.3964 \ days$

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3 years ago

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Mary has a mass of 40 kg and sprints at 1 m/s. How much kinetic energy does she have?

Sav [38]

Answer:

20 J

Explanation:

Kinetic energy is given as half of the product of mass and the square of velocity of an object:

KE = $\frac{1}{2}mv^2$

where m = mass = 40 kg

v = velocity = 1 m/s

Hence, Mary's kinetic energy is:

KE = $\frac{1}{2} * 40 * 1^2$

KE = 20 * 1 = 20 J

She has a kinetic energy of 20 J.

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3 years ago

Define malleability?

ad-work [718]

Answer:

Explanation:

the quality or state of being malleable: such as. a : capability of being shaped or extended by hammering, forging, etc. the malleability of tin.

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3 years ago

A motorcyclists starts from rest and reaches a speed of 6m/s after traveling with uniform acceleration for 3s .What is his accel

siniylev [52]

2m/s is the answer ! hopefully this helps

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3 years ago

Second and third class levers are differentiated by __________. a. the location of the fulcrum b. the location of the load c. th

strojnjashka [21]

Answer:

the answer is b

Explanation:

Second and third class levers are differentiated by the location of the load.

Hope this help you out and have a nice day =)

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2 years ago