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Law Incorporation [45]
3 years ago
11

How do you find component velocities of parallel vectors?

Physics
1 answer:
Vaselesa [24]3 years ago
5 0

Answer:

Velocity is a vector (it has magnitude and direction), so the overall velocity of an object can be found with vector addition of the x and y components: v2 = vx2 + vy2. The units to express the horizontal and vertical distances are meters (m).

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I don’t understand this question
hichkok12 [17]

It's Z.

Without any force acting on it an object travels in a straight line.

In order to bend away from a straight line the object needs a force acting on it.

In order to move along a circle, the force on the object points toward the center of the circle. It's called the centripetal force.

Since the object's direction is changing it has acceleration.

The acceleration points toward the center of the circle.

6 0
3 years ago
Which form of electromagnetic radiation with a relatively high amount of energy is used to sanitize lab goggles?
Nostrana [21]

Answer:

sorry

Explanation:

i don't know this but when i find the answer i will type here

5 0
3 years ago
If it took 125 seconds to complete 5 wave cycles, what is the period of the wave?
finlep [7]

The period of the wave is 25 s

<u>Explanation:</u>

To find the period of the wave, we have the formula

T= seconds/ no of cycle

T= 125/5

T= 25 s

The period of the wave is 25 s

4 0
4 years ago
Please answer correctly<br>will give the brainliest<br>Urgent​
EastWind [94]

Answer:

f (frequency) = V / y   where V is the speed of sound and y the wavelength

f = 1500 m/s / 1.5 m = 1000 / sec

T (period) = 1 / f = .001 sec

Suppose you replace the horn by a drum then the period would be the time between the beats of the drum - now if the source is moving towards the observer then the distance between crests  of the wave produced by the drum will be shortened by V * T because of the motion of the drum "towards" the observer, and since the wavelength is shorter the frequency heard by the observer will be higher, and the higher the speed of of the car the shorter the wavelength as seen by the observer and the higher the frequency.

Also, if the car is moving away from the observer then the distance between the crests of the wave emitted will be further apart, and the observer will hear a lower frequency.

3 0
3 years ago
Use the information and diagram to answer the following question.
Mumz [18]

Answer:b

Explanation:

Because I don’t know

8 0
3 years ago
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