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4 years ago

Write a sentence about sky teaches

Physics

2 answers:

devlian [24]4 years ago

5 0

The sky teaches us to see the bigger picture in life and shows us that everything changes with time

Marina CMI [18]4 years ago

4 0

Sky teaches us many things which cannot be taught by anyone else.

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Rocket can propel itself in a vacuum. True or false

makkiz [27]

Answer:

Yes.

Explanation:

Rocket can propel itself in vacuum because the thrust is provided as a reaction to the the gases coming out of rocket, which have nothing to do with vacuum.

3 0

3 years ago

A car travels at a speed of 55 km/hr and slows down to 10 km/hr in 20 seconds. What is the acceleration?

WITCHER [35]

Answer:

Explanation:

3 0

3 years ago

Read 2 more answers

The total volume in milliliters of a glucose-water solution is given by the equation below: V = 1001.93 + 111.5282m + 0.64698m2

Ostrovityanka [42]

Answer:

111.657596

Explanation:

The expression of volume is given by

$V=1001.93+111.5282+0.64698m^2$

Partially differentiating the term we get

$\dfrac{\partial V}{\partial x}=\dfrac{\partial (1001.93+111.5282+0.64698m^2)}{\partial x}\\\Rightarrow \dfrac{\partial V}{\partial x}=111.5282+2\times 0.64698m\\\Rightarrow \dfrac{\partial V}{\partial x}=111.5282+1.29396m$

m = 0.100

$\dfrac{\partial V}{\partial x}=111.5282+1.29396\times 0.100\\\Rightarrow \dfrac{\partial V}{\partial x}=111.657596$

The partial molar volume of glucose is 111.657596

5 0

4 years ago

Baseball scouts often use a radar gun to measure the speed of a pitch. One particular model of radar gun emits a microwave signa

kkurt [141]

Answer:

What will be the increase in frequency if these waves are reflected = 2979.63Hz

Explanation:

The detailed steps and appropriate formula is as shown in the attached file.

4 0

3 years ago

A helium balloon has a radius of 2m. The density of helium of helium is 0.17 kg/m3 and the density of air is 1.25 kg/m3. What is

3241004551 [841]

To solve this problem we will begin by finding the force on each of the elements. For this it will be necessary to obtain the mass, which can be related to density and volume. Finally, by balancing forces it will be possible to obtain the final value of the maximum mass that can be lifted.

By Newton's second law we have,

$F = mg$