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dimaraw [331]
3 years ago
14

There are several events listed below some of the events are related to tectonic plates activity mark each that is associated wi

th plate activity (4 points)
A. Earthquakes
B. Hurricane
C. Tsunamis
D. Mountain building/ formation
Physics
1 answer:
iVinArrow [24]3 years ago
5 0
A because an earthquake is shaking of tectonic plates
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How do you calculate the mass of an object accelerating at22.35m/s2 with a force of 120N
Arte-miy333 [17]

Answer:

The mass of object is calculated as 5.36 kg

Explanation:

The known terms to find the mass are:

           acceleration of object (a) = 22.35 m/s^{2}

                        Force exerted (F) = 120N

                        mass of an object (m) = ?

From Newton's second law of motion;

                                   F = ma

                           or, 120 = m × 22.35

                          or, m= \frac{120}{22.35} kg

                           ∴ m = 5.36 kg

3 0
2 years ago
A spring 1.50 m long with force constant 448 N/m is hung from the ceiling of an elevator, and a block of mass 10.9 kg is attache
GuDViN [60]

Answer:

Explanation:

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restoring force = weight of block

kx = mg

x = \frac{10.9\times9.8}{448}

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b )

When the elevator is going upwards

Restoring force = mg + ma

k x₁ = 10.9 ( 9.8 + 1.89 )

x₁ = 28.44 cm

( y coordinate will  be - ( 28.44 - 23.84 ) = - 4.6 cm )

c ) When the cable snaps , both elevator and block undergo free fall . In this case apparent g = 0

Since the spring is stretched by 28.44 cm , a restoring force continues to act on the block which is equal to

.2844 x 448

= 127.41 N

So a net acceleration a will act on the block

a = 127.41 / 10.9

= 11.68 m / s²

The block will undergo SHM with amplitude equal to 28.44 cm .

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3 years ago
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6 0
3 years ago
Photons with shorter wavelengths have larger
Zarrin [17]

i think photons with shorter wavelengths have larger speed.

I apologise if its incorrect.

7 0
2 years ago
Iron combines with oxygen and water from the air to form rust. If an iron nail were
rusak2 [61]

Answer:

When iron rusts - in the presence of moisture and oxygen - iron-oxide is formed. Iron oxide is nothing but a compound of iron and oxygen. There is an increase in the mass of the iron equal to the mass of oxygen that has gone into forming the rust.

<em>hope it helps:)</em>

8 0
3 years ago
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