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Oksanka [162]
3 years ago
7

Why didn't the astronauts land on the moon math worksheet answers?

Physics
1 answer:
Ghella [55]3 years ago
4 0

Answer and Explanation:

Here's the answer!

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A substance has a mass of 2795 g and a volume of 312 cm
denis23 [38]

Answer:

if you are asking for density its 48g/cm^3

Explanation:

3 0
3 years ago
Cations have fewer _____ than _____.
FrozenT [24]
Cations are positively charged ions. And for positive charged ions, it means the positive charges, protons, are more than the negative charges, the electrons.

Therefore Cations have fewer electrons than protons.

So the answer is:    c. electrons; protons. 
3 0
3 years ago
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A 70- kg bicycle rides his 9.8- kg bicycle with a speed of 16 m/ s. What is the magnitude of the braking force of the bicycle co
Rus_ich [418]

Answer:

F = -319.2 N

Explanation:

Given that,

The mass of a bicyclist, m = 70 kg

Mass of the bicycle = 9.8 kg

The speed of a bicycle, v = 16 m/s

We need to find the magnitude of the braking force of the bicycle come to rest in 4.0 m.

The braking force is given by :

F=ma\\\\=\dfrac{m(v-u)}{t}\\\\=\dfrac{(70+9.8)(0-16)}{4}\\\\=-319.2\ N

So, the required force is 319.2 N.

3 0
3 years ago
What happens in terms of energy when a moving car hit a parked car causing the park card to move?
olga_2 [115]
Its like newtons 3rd law that once in motion a outer force has to stop it
5 0
3 years ago
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Please help me solve this and give an explanation​
Arlecino [84]

Answer:

6.5

Explanation:

Because 1.5+5=6.5

7 0
2 years ago
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