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Aleonysh [2.5K]
2 years ago
8

Why do you think we cannot use a common fuel like diesel or gasoline for space travel ?

Physics
1 answer:
Ede4ka [16]2 years ago
5 0

Answer:

Explanation:

it take oxygen in the atmosphere to burn it... in space there isn't any air  :0

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While fishing on a lake, a fisherman notices ripples 0.32 m apart, and they are
Karo-lina-s [1.5K]

the main properties of the main wave propertioes include wavelength amplitude, cruest an trough

5 0
2 years ago
A lithium atom has three protons, three neutrons, and three electrons. What is the overall charge on this atom?
Marizza181 [45]

Answer:

0

Explanation:

The overall charge on this atom is 0.

  To find the charge on an atom;

           charge  = number of protons - number of electrons.

Note:

  • Protons are the positively charged particles in an atom
  • Electrons are the negatively charged particles in an atom
  • Neutrons carries no charges on them.

Since the atom is made up of equal number of protons and electrons, the charge on it is 0.

If the number of electrons is more, the atom will be negatively charge but if the number of protons is more, it will be positively charged.

8 0
3 years ago
Read 2 more answers
Net force of 8.0 N acts on an 18 kg body for one minute. Determine the impulse due to the force.
boyakko [2]

Answer:

p = FΔt = 8.0 N(60 s) = 480 N•s

Explanation:

not asked for, but in that time a frictionless 18 kg mass on a horizontal surface will have change velocity by 480/18 = 26.7 m/s.

An impulse results in a change of momentum.

3 0
3 years ago
On which date is the gravitational force between Earth and the moon the greatest?
Genrish500 [490]

The gravitational forces between the Earth and Moon are greatest when the two bodies are closest together. That happens every 27.32 days, when the Moon is at the perigee of its orbit.

Even if this happened at the same time in every orbit, the date would change, because there are not 27.32 days in a month.

But it doesn't happen at the same time in every orbit ... the Moon's perigee precesses around its orbit, on account of the gravitational forces toward the Earth, the Sun, Venus, Mars, and the other planets.

3 0
3 years ago
On a roller coaster ride at an amusement park, a car travels from 7.6 m/s to 56 m/s in 3 seconds. whats the cars acceleration?
nataly862011 [7]

Acceleration is defined as rate of change in velocity

So we can write its formula as

a = \frac{v_f - v_i}{t}

here we know that

v_f = final velocity = 56 m/s

v_i = initial velocity = 7.6 m/s

t = time interval to change the velocity = 3 s

now we will plug in all values in the above equation

a = \frac{56 - 7.6}{3}

a = \frac{48.4}{3}

a = 16.13 m/s^2

so here roller coaster will accelerate at rate of 16 m/s^2 and hence correct answer is "option d"

3 0
3 years ago
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