If the world was not tilted, what would happen to the people living on Earth

Physics

2 answers:

Lerok [7]3 years ago

8 0

Answer:

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If the Earth weren't tilted on its axis, there would be no seasons. And humanity would suffer. When a Mars-size object collided with Earth 4.5 billion years ago, it knocked off a chunk that would become the moon. It also tilted Earth sideways a bit, so that our planet now orbits the sun on a slant

Explanation: i looked up the answer

raketka [301]3 years ago

8 0

Answer:

we would all maybe fall are sink in to the ground.

Explanation:

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Two red blood cells each have a mass of 9.0 × 10 − 14 kg and carry a negative charge spread uniformly over their surfaces. The r

Gennadij [26K]

Answer:

321.39 m/s

$1.3772213803 \times 10^{10}\ m/s^2$

Explanation:

m = Mass = $9\times 10^{-14}\ kg$

$q_1$ = Charge = -2.50 pC

$q_2$ = Charge = -3.10 pC

r = Radius = 3.75 μm

$\varepsilon_{0}$ = Vacuum permittivity = $8.85 \times 10^{-12}\ F/m$

We have the relation

$m v^{2} &=\frac{q_{1} q_{2}}{4 \pi \varepsilon_{0} 2 r}$

$v =\sqrt{\frac{q_{1} q_{2}}{4 \pi \varepsilon_{0}(2 r)(m)}}$

$=\sqrt{\frac{\left(-2.50 \times 10^{-12}\right)\left(-3.1 \times 10^{-12}\right)}{4(3.14)\left(8.85 \times 10^{-12}\right)\left(2 \times 3.75 \times 10^{-6}\right)\left(9 \times 10^{-14}\right)}}$

$=321.39\ m/s$

The Speed they need when very far away from each other to get close enough to just touch is 321.39 m/s

We have the relation

$m a=\frac{q_{1} q_{2}}{4 \pi \varepsilon_{0}(2 r)^{2}}$

$a=\frac{q_{1} q_{2}}{4 \pi \varepsilon_{0}(2 r)^{2}(m)}$

$=\frac{\left(-2.50 \times 10^{-12}\right)\left(-3.10 \times 10^{-12}\right)}{4(3.14)\left(8.85 \times 10^{-12}\right)\left(2 \times 3.75 \times 10^{-6}\right)^{2}\left(9 \times 10^{-14}\right)}$