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Andrew [12]
3 years ago
9

True or false Variables are those factors that can be changed in an experiment

Physics
1 answer:
tekilochka [14]3 years ago
6 0
True

Variables is changing. It is any factor, trait or condition that can exist in differing amounts or types. An experiment has three types: Independent, Dependent and Controlled.
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1) A satellite in orbit around Earth is in uniform circular motion. What is the angle between the velocity vector and accelerati
artcher [175]

Answer:90

Explanation: bc i looked it up

6 0
1 year ago
when approaching the front of an idling jet engine, the hazard area extends forward of the engine approximately
Dominik [7]

when approaching the front of an idling jet engine, the hazard area extends forward of the engine approximately 25 feet.

<h3>What impact, if any, would jet fuel and aviation gasoline have on a turbine engine?</h3>

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Once the gasoline charge has been cleared, start the engine manually or with an electric starter while cutting the ignition and using the maximum throttle.

On the final approach, the aeroplane needs to be re-trimmed to account for the altered aerodynamic forces. A substantial nose-down tendency results from the airflow producing less lift on the wings and less downward force on the horizontal stabiliser due to the reduced power and slower velocity.

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7 0
2 years ago
Two sound waves, A and B, are traveling at the same speed. Wave A has a wavelength of 50 cm and a frequency of 7000 Hz. Wave B h
vekshin1

Answer:

D. 100 cm

Explanation:

The speed of a wave is the wavelength times the frequency.

v = λf

Wave A and B have the same speed, so:

λf = λf

(50 cm) (7000 Hz) = λ (3500 Hz)

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6 0
3 years ago
Let’s tie this all together. It makes sense that, if the rope force remains greater than the gravitational force, the child keep
Pavlova-9 [17]

Answer:

If child weight is equal to rope force then child will move with uniform speed

or we can say that the child will remain at rest in his position

Explanation:

As we know that child is hanging by rope

so here there will be two forces on the child

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2) Tension in the rope which act vertically upwards

Now if child will accelerate upwards then tension force must be more than the weight of the child

If tension force is less than the weight then child will decelerate and his speed will decrease

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8 0
3 years ago
Which has more electron shells: oxygen or sulfur? How do you know?
Sever21 [200]
Deffinitly oxygen cause everyone breathes and yah.
3 0
3 years ago
Read 2 more answers
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