3 years ago

Which will most likely occur before a volcanic eruption?

1 answer:

6 0

Volcanic eruption most likely to happen when the plates are moving intense in the ground. Maybe an earthquake are most likely for a volcanic eruption to occur.

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What substance is used by plants as a source of food

harkovskaia [24]

Answer:

dart

Explanation:

dart and sun and water so that the plant be okay

7 0

2 years ago

What type of device forms images through reflection?<br> Answer: Any mirror

inysia [295]

Answer:

wouldnt a phone be one it takes pictures through reflection like a mirror

6 0

2 years ago

A decrease in the magnitude of velocity is called

vagabundo [1.1K]

Any change in the speed or direction of motion is called "acceleration". You'll hear "deceleration" used for slowing down but that's not technically correct.

6 0

3 years ago

The fishing pole shown here is an example of a lever. Which statement describes the fishing pole's mechanical advantage?

luda_lava [24]

Answer:

Explanation:

The person will exert a much larger force to take a fish out of the water than the fish itself weighs. The advantage of the fishing pole, however, is that it moves the fish a large distance, from the water to the boat or the shore.

8 0

2 years ago

A spring with a spring constant of 1200 N/m has a 55-g ball at its end. The energy of the system is 5.5J. What is the amplitude

Pepsi [2]

The energy of the system is E=5.5 J. This energy is the same at every moment of the oscillation. When the stretch x of the spring is maximum (so, when the stretch is equal to the amplitude: x=A) the velocity of the spring is zero, so all this energy is just elastic potential energy of the spring:
$E= \frac{1}{2}kA^2$
From which we find
$A= \sqrt{ \frac{2E}{k} }= \sqrt{ \frac{2 \cdot 5.5 J}{1200 N/m} }=0.096 m$

4 0

3 years ago