3 years ago

Any science peeps pls help

1 answer:

8 0

Just list facts about cardiovascular and lymphatic system separately and then search stuff about how they work together.

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When you walk with a cup of coffee (diameter5 cm) at just the

vladimir1956 [14]

Answer:

10 cm/sec

Explanation:

using formula velocity = frequency * wave length

where: f=1/T

1/1=1

so frequency will be 1HZ ( due to 1 oscillation in 1 sec)

wave length will be 10 cm because while sloshing cup hold (1/2) half full length.

velocity = 1*10 = 10cm/sec.

velocity = 10 cm/sec

4 0

3 years ago

What is the temperature of a sample of gas when the average translational kinetic energy of a molecule in the sample is 8.37 × 1

-BARSIC- [3]

Answer:

404K

Explanation:

Data given, Kinetic Energy.K.E=8.37*10^-21J

Note: as the temperature of a is increase, the rate of random movement will increase, hence leading to more collision per unit time. Hence we can say that the relationship between the kinetic energy and the temperature is a direct variation.

This relationship can be expressed as

$K.E=\frac{3}{2}KT$

where K is a constant of value 1.38*10^-23

Hence if we substitute the values, we arrive at

$T=\frac{2/3(8.37*10^{-21})}{1.38*10^-23}\\ T=404K$

converting to degree we have $131^{0}C$

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3 years ago

With what force will a car hit a tree if the car has a mass of 3,000 kg and it is accelerating at a rate of 2m/s2

Arisa [49]

<span>F=ma = 3000x2m/sec^2 =6000 newtons. </span>

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3 years ago

TAKING 100 PONTS!!! PLEASE SOMEONE HELP.JUST LOOK THE PICTURE

SVETLANKA909090 [29]

Explanation:

oh no i hope i dont fall and the i agree with the other dude

8 0

3 years ago

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At what width does a totality of a Solar Eclipse span?

kari74 [83]

115km (71 miles) , the eclipse will also have a magnitude of 1.0306

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3 years ago