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Dominik [7]
3 years ago
14

Which of the following is a type of wave that travels at a right angle relative to the direction of motion?

Physics
1 answer:
kramer3 years ago
3 0
"Transverse" wave is the type of wave among the following choices given in the question that <span>travels at a right angle relative to the direction of motion. The correct option among all the options that are given in the question is the fourth option or the last option. I hope that this is the answer that has come to your help.</span>
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How does the physical structure of a plant have<br> Large leaves help it survive?
elena-14-01-66 [18.8K]

The large leaves help it survive as they serve as the<u> organ for photosynthesis.</u>

Explanation:

  • Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy.
  • During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds
  • Leaves provide food and air to help a plant stay healthy and grow. Through photosynthesis, leaves turn light energy into food.
  • Through pores, or stomata, leaves breathe in carbon dioxide and breathe out oxygen. Leaves also release excess water.
  • Most leaves are broad and so have a large surface area allowing them to absorb more light
  • A thin shape means a short distance for carbon dioxide to diffuse in and oxygen to diffuse out easily.
  • The exchange of oxygen and carbon dioxide in the leaf occurs through pores called stomata.
  • Normally stomata open when the light strikes the leaf in the morning and close during the night.

3 0
3 years ago
What are 3 ways an object can be charged
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8 0
3 years ago
Why is a microscope or magnifying glass used to view objects close up instead of moving the object closer to your
Shalnov [3]

Answer:

D; The microscope and magnifying glass block out the light, which allows the naked eye to focus on the object.

Explanation:

This is to prevent chromatic abberation

8 0
2 years ago
A rock is sitting at the edge of a flat merry-go-round at a distance of 1.6 meters from the center. The coefficient of static fr
PSYCHO15rus [73]

Answer:

ω = 2.1 rad/sec

Explanation:

  • As the rock is moving along with the merry-go-round, in a circular trajectory, there must be an external force, keeping it on track.
  • This force, that changes the direction of the rock but not its speed, is the centripetal force, and aims always towards the center of the circle.
  • Now, we need to ask ourselves: what supplies this force?
  • In this case, the only force acting on the rock that could do it, is the friction force, more precisely, the static friction force.
  • We know that this force can be expressed as follows:

       f_{frs} = \mu_{s} * F_{n} (1)

      where μs = coefficient of static friction between the rock and the merry-

      go-round surface = 0.7, and Fn = normal force.

  • In this case, as the surface is horizontal, and the rock is not accelerated in the vertical direction, this force in magnitude must be equal to the weight of the rock, as follows:
  • Fn = m*g (2)
  • This static friction force is just the same as the centripetal force.
  • The centripetal force depends on the square of the angular velocity and the radius of the trajectory, as follows:

       F_{c} = m* \omega^{2}*r (3)

  • Since (1) is equal to (3), replacing (2) in (1) and solving for ω, we get:

       \omega = \sqrt{\frac{\mu_{s} * g}{r} } = \sqrt{\frac{0.7*9.8m/s2}{1.6m}} = 2.1 rad/sec

  • This is the minimum angular velocity that would cause the rock to begin sliding off, due to that if it is larger than this value , the centripetal force will be larger that the static friction force, which will become a kinetic friction force, causing the rock to slide off.
4 0
3 years ago
If you change the number of loops in a solenoid, what happens to the strength of the magnetic field of an electromagnet?
zhenek [66]

The strength of the magnetic field is proportional to the number of turns in the solenoid; this means that the strength of the field will increase or decrease as you increase or decrease the number of turns in the coil, respectively - they are directly related.

Hope this helps!

6 0
3 years ago
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