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34kurt
3 years ago
7

PLLLLLLLLLLLZ HELP

Physics
1 answer:
Katyanochek1 [597]3 years ago
6 0

The second choice is the correct one.

You can spot it just from the units. An equation can't be true unless it has the same units on both sides.

Wavelength has units of (meters).

Frequency has units of (per second).

When you multiply them, you get (meters per second), the unit of speed, and the 'c' on the other side is speed.

None of the other choices has units of speed on the right side.

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There are four springs stretched by the same mass.
brilliants [131]

Spring C stretches 100 cm.

Explanation:

The spring constant is simply the stiffness of the spring. The higher the spring constant the more stiff the spring is.

Spring constant shows the force needed to stretch a spring from it's equilibrium position. If a material requires more force to cause it to stretch, it will have a high spring constant.

          According to hooke's law "the force needed to extended an elastic material is directly proportional to its extension"

          F = ke

   k is the spring constant

   e is the extension

We see that the spring that stretches by 100 is the less stiff compared to other springs. It has the smallest spring constant.

Learn more;

Force brainly.com/question/8882476

#learnwithBrainly

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3 years ago
What is the role of gravity when it comes to changing the velocity of objects?
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Gravity is the attraction of every body to every other body due to the masses of each body. The larger the mass, the greater the force. It also depends on the distances: the closer the bodies, the greater the force. Gravity is directed toward the center of a body, and the distance is measured from the center.

When objects fall to the ground, gravity causes them to accelerate. Acceleration is a change in velocity, and velocity, in turn, is a measure of the speed and direction of motion. Gravity causes an object to fall toward the ground at a faster and faster velocity the longer the object falls.

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When sound is created it travels to the car through a
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A sound wave is a longitudinal wave caused by vibrations and carried through a substance. The particles of the substance, such as air particles, vibrate back and forth along the path that the sound waves travel. Sound is transmitted through the vibrations and collisions of the particles.

This could maybe help you with your answer.

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I need an answer choice
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2 years ago
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