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ArbitrLikvidat [17]
3 years ago
10

Observing and experimenting are two ways that ecologists can answer scientific questions. What are some differences between thes

e two approaches?
Physics
1 answer:
Sav [38]3 years ago
6 0

Answer:OBSERVING IS WHATCHING A OBJECT VERY CLOSELY AND EXPIERIMENTING IS WER YOUTEST ON A CERTAIN THING OR CREATURE OR MASS OR ELEMENT

Explanation:IM THE MYSTERY MAN WHOOSH

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C. Forces have mass and take up space
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A police officer uses a radar gun to determine the speed of a car. A specialized radar gun uses ultraviolet light to determine t
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Answer:

A transverse and D electromagnetic

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Explanation:

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3 years ago
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A bicycle is ridden along a horizontal road with a driving force of 400, n,400n. its speed is constant at 12, m, slash, s,12m/s.
mr_godi [17]

The magnitude of the sum of the frictional forces acting on the bike and its rider is 400N.

<h3>What is friction force?</h3>

The friction force is the opposing force which acts on the object which is in relative motion.

The driving force is equal and opposite to the friction force acting between road and bicycle.

Friction force = 400N

The friction force between rider and bike is zero.

So the magnitude of sum of friction force = 400N +0 = 400N

Thus, the magnitude of the sum of the frictional forces acting on the bike and its rider.

Learn more about friction force.

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4 0
1 year ago
Intro to Springs and Hooke’s law
wel
A spring is an object that can be deformed by a force and then return to its original shape after the force is removed.
Springs come in a huge variety of different forms, but the simple metal coil spring is probably the most familiar. Springs are an essential part of almost all moderately complex mechanical devices; from ball-point pens to racing car engines.
There is nothing particularly magical about the shape of a coil spring that makes it behave like a spring. The 'springiness', or more correctly, the elasticity is a fundamental property of the wire that the spring is made from. A long straight metal wire also has the ability to ‘spring back’ following a stretching or twisting action. Winding the wire into a spring just allows us to exploit the properties of a long piece of wire in a small space. This is much more convenient for building mechanical devices.
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3 years ago
Compare and contrast sound waves and electromagnetic waves. Any bs answers will be reported. Please hurry!!!
Trava [24]

Answer:

They are both forms of energy.  One has to do with hearing and the other a little bit of light.

Explanation:

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