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Rama09 [41]
3 years ago
12

Five multiple choice science questions.

Physics
1 answer:
jonny [76]3 years ago
8 0
1. C
2. D
3. B
4. C
5. C

Terrestrial (derived from Terry) stands for Earth. Aka being Earth-like
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Simple machines are divided into two main categories. Levers and inclined planes.<br> True or false
avanturin [10]
The answer is False.  Simple machines are divided into three main categories, and not two.  They are Levers, inclined planes and Pulleys. <span>These three simple machines all change force in such a way that it makes it easier for us to move an object. </span>
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3 years ago
When is the pressure of the man on the ground more – lying position or standing position? Explain.
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It is without a doubt in standing position!
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2 years ago
Des Linden won the Boston marathon in 2018, becoming the first American woman to win since 1985. The harsh conditions (heavy rai
ankoles [38]

Answer:

3050.6 Litre .

Explanation:

Total time of heart beat = Total time of race  = 2 hrs , 39 minutes and 54 seconds

= 2 x 60 + 39 + 54/60 min

= 120 + 39 + .9 min

= 159.9 min

rate of heart beat = 170 per min

Total no of heart beat during race = 170 x 159.9

volume of blood per kg per beat = 2.5 mL per kg of weight

body weight  = 99 pounds = .4535 x 99  kg = 44.89 kg

volume of blood  per beat = 2.5 mL x 44.89 mL

= 112.225 mL .

Total required volume of blood =  112.225  x 170 x 159.9 mL

= 3050612 mL

= 3050.6 L.

6 0
2 years ago
What does Einstein's equation E = mc2 explain? A. That a decrease of mass in the nucleus is what provides the energy to hold the
lakkis [162]
D. How Much Energy Comes From A Bond Breaking.
4 0
3 years ago
19. When white light is incident on a prism, which one of the resulting color components will have the lowest index of refractio
ohaa [14]

Answer:

option A

Explanation:

When white light is incident on prism it bends and dispersed into different colors.

According to Cauchy equation, refractive index is inversely proportional to the wavelength of the light.

wavelength of the light in decreasing order

orange > yellow > green > blue

wavelength of the orange light is the highest.

Hence, the refractive index  of orange will be lowest.

The correct answer is option A

5 0
3 years ago
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