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Inessa [10]
3 years ago
12

Wave A is being decreased in temperature, and Wave B is moving from a liquid to a gas

Physics
1 answer:
olya-2409 [2.1K]3 years ago
5 0

Answer:

They will speed up, and decrease in density.

Explanation:

This is because, when water is heated, the molecules will spread apart, and bounce off each other. It gives them more space, and they are less tight packed, so it can move around freely.

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O que é multifásicos?
Oksana_A [137]

Answer:

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4 years ago
It is 4.0 km from your home to the physics lab. As part of your physical fitness program, you could run that distance at 10 km/h
Musya8 [376]

Answer:

Explanation:

To solve this problem we have to take into account that the energy consumed per second is the power. Hence, by multipling the power and the time spent to arrive to the lab we obtain the total energy consumed.

But first we have to calculate the time

t_{1}=\frac{x}{v_{1}}=\frac{4km}{10\frac{km}{h}}=0.4h=0.4(3600s)=1440s\\t_{2}=\frac{x}{v_{2}}=\frac{4km}{3\frac{km}{h}}=1.3h=1.3(3600s)=4800s\\

Now we use E=W*t for both times

E_{1}=t_{1}W_{1}=(1440s)(700W)=1008000J\\E_{2}=t_{2}W_{2}=(4800s)(290W)=1392000J\\

A. Hence, by running the energy consumed is lower.

B.

E1=1008000J

E2=1392000J

C. Because the more intense exercise is made in a lower time in comparison with the less intense exercise, and higher the time, more energy is consumed.

5 0
3 years ago
Hypothermia is a condition caused by exercising in extreme heat.
Salsk061 [2.6K]
False hypothermia is having an extremely low body temperature.....hope this helps
7 0
4 years ago
Read 2 more answers
When another driver passes you on the left, you must _________ until the vehicle passes?
Vlada [557]
Is there any answers option?
7 0
3 years ago
The cheetah, the fastest of land animals, can run a distance of 274 m in 8.65 s at its top speed. What is the cheetahs tips spee
ycow [4]

Answer:

Top speed is 31.68 m/s

Explanation:

Speed of a body is the distance traveled by the body in unit time.

Speed is generally expressed in meter per second or kilometer per hour.

Here, the cheetah travels a distance of 274 m in 8.65 s.

Therefore, speed of cheetah is the distance traveled by it in one second.

For 8.65 s, distance traveled is 274 m

For 1 s, distance traveled will be \frac{274}{8.65} meters per second. This value is called speed.

So, speed is given as the ratio of the distance traveled to that of the time taken.

∴ Top speed of cheetah is given as:

v_{max}=\frac{274}{8.65}=31.68 \textrm{ m/s}

Here, v_{max} is the top speed of cheetah.

7 0
4 years ago
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