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iogann1982 [59]
4 years ago
10

Which is an example of speed?

Physics
2 answers:
agasfer [191]4 years ago
6 0
A dog runs an average of 8 mph
               or
cindy biked westward at 30 km/h
geniusboy [140]4 years ago
4 0
<span>Cindy biked westward at 30 km/h.
Velocity.  (We know both the speed AND the direction.)

A rock is to the left of a flowerpot. 
Relative location.

A dog runs an average of 8 mph.
Speed (distance divided by time)

Leo lives 2 miles north of Andre.
Relative location.</span>
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When 30 V is applied across a resistor it generates 600 W of heat: what is the magnitude of its resistance?
grandymaker [24]

Answer:

<h2>1.5 ohms</h2>

Explanation:

Power is expressed as P = V²/R

R = resistance

V = supplied voltage

Given P = 600W and V = 30V

R = V²/P

R = 30²/600

R = 900/600

R = 1.5ohms

magnitude of its resistance is 1.5ohms

3 0
3 years ago
According to our theory of solar system formation, why do all the planets orbit the Sun in the same direction and in nearly the
11Alexandr11 [23.1K]

The laws of conservation of energy and conservation of angular momentum ensure that any rotating, collapsing cloud will end up as a spinning disk is the reason.

<h3>What is an Orbit?</h3>

This is defined as a curved path in space which is characterized by an object going round and round a planet, moon, or star.

In this scenario, all the planets orbit the Sun in the same direction and in nearly the same plane to ensure any rotating, collapsing cloud will end up as a spinning disk.

Read more about Orbit here brainly.com/question/3668699

4 0
2 years ago
Which are the components of a typical refracting telescope? hints?
Ivenika [448]
<span>covex object and concave eyepiece.</span>
4 0
3 years ago
When the diaphragm contracts , air pressure in the chest increases . True or False ?
nexus9112 [7]

Answer: False

 

When the diaphragm contracts, the muscles will also contract and pull upward and increase the size of the thoracic cavity thus decreases air pressure inside during inspiration. After the diaphragm contracts, it goes to relaxation, the muscles will also relaxed. It gets looser and return to its original position higher up in the chest. This increase the pressure in the chest, which force the air in the lungs out through the nose.

 

 

6 0
3 years ago
Read 2 more answers
Lead-202 has a half-life of 53,000 years. How long will it take for 15/16 of a sample of lead-202 to decay?
ohaa [14]

Answer:

C. 212,000 years

Explanation:

believe me it's correct.....and you're welcome :)

4 0
3 years ago
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