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rjkz [21]
4 years ago
12

WHO WANTS AN EASY QUESTION True or False All waves have the same wavelength.

Physics
2 answers:
Lelechka [254]4 years ago
7 0
The answer would be false
lys-0071 [83]4 years ago
4 0
False because they travel at different speeds 
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What does N.W.A means?
MissTica

Answer: Well N.W.A is a hip hop group that started back in the late 1900s back then they where pretty cool and fun to listen too well there music was about how life was when they where young well thats all i can say unless you talking about something different.

Explanation:

3 0
4 years ago
Bob has a cup of hot chili. It is too hot to eat.
Kazeer [188]

Answer:

B.  It has increased the chili's potential energy

Explanation:

When there is an increase in the kinetic energy of a substance, the vibrations of atoms and molecules of the substance increases.

This kinetic energy increases the thermal energy of the substance.

So, when there is a decrease in the thermal energy of a substance, the kinetic energy decreases because the random motion of the molecules or atoms becomes feeble.

If the kinetic energy of the substance decreases, the potential energy of the substance increases.

So, if the chili has cooled after 10 minutes, it has increased the potential energy of the substance.

7 0
4 years ago
Read 2 more answers
A 65 kg students is walking on a slackline, a length of webbing stretched between two trees. the line stretches and sags so that
polet [3.4K]

Answer : Tension in the line = 936.7 N

Explanation :

It is given that,

Mass of student, m = 65 kg

The angle between slackline and horizontal, \theta=20^0

The two forces that acts are :

(i) Tension

(ii) Weight

So, from the figure it is clear that :

mg=2T\ sin\ \theta

T=\dfrac{mg}{2\ sin\theta}

T=\dfrac{65\ kg\times 9.8\ m/s^2}{2(sin\ 20)}

T=936.7\ N

Hence, this is the required solution.

5 0
3 years ago
Read 2 more answers
Starting from rest, a 2.1x10^-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exert
Rainbow [258]

Answer:

a) The flea's speed when it leaves the ground is v=1.88m/s

b) The flea move 18cm upward while it is pushing off

Explanation:

Hi

<u>Knwons</u>

Mass m=2.1\times 10^{-4} kg, Work W=3.7\times 10^{-4} J and Force F=0.41N

a) Here we are going to use W=\frac{1}{2} mv^{2}, so v=\sqrt{\frac{2W}{m} }= \sqrt{\frac{2(3.7\times 10^{-4} J)}{2.1\times 10^{-4} kg} }=1.88m/s

a) Here we are going to use W=mgh, so h=\frac{W}{mg}= \frac{3.7\times 10^{-4} J}{(2.1\times 10^{-4} kg)(9.8m/s^{2})} =0,1797m or 18cm approx.

7 0
3 years ago
A Pitot-static tube is used to measure the velocity of helium in a pipe. The temperature and pressure are 44oF and 24 psia. A wa
leonid [27]

Answer:

V=203 ft/s

Explanation:

answer is available in word document named "attach 1" due to some technical error in maths equation. please find the attached document

Download docx
4 0
4 years ago
Read 2 more answers
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