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klasskru [66]
3 years ago
13

Question 14 of 30

Physics
1 answer:
polet [3.4K]3 years ago
4 0

Answer:

kinetic and potential

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Mercury boils at 357C and freezes at -38.9C. Convert these temperatures<br> to Kelvin.
Romashka [77]
630.15 kelvin, 312.05 kelvin
3 0
3 years ago
A wave traveling in a string has a wavelength of 35 cm, an amplitude of 8. 4 cm, and a period of 1. 2 s. What is the speed of th
Drupady [299]

0.29 m/s is the speed of this wave.

How can we determine a wave's speed?

Given: The wave's traveling wavelength is () = 35 cm

The wave's period (t) is 1.2 seconds.

The wave's frequency is 0.833 Hz.

We must ascertain a wave's wave speed.

Formula for wave speed is 35 x 0.833 (wavelength x frequency).

= 29.167 cm/sec

= 0.29 m/sec

As a result, the wave's speed is 0.29 m/s.

To learn more about wave refer : brainly.com/question/3148541

#SPJ4

7 0
2 years ago
A labor push a crate through 12m and 720 J of work .The magnitude of force was
Harrizon [31]

Answer:

<h2>60 N</h2>

Explanation:

The magnitude of the force can be found by using the formula

f =  \frac{w}{d}  \\

w is the workdone

d is the distance

From the question we have

f =  \frac{720}{12}  = 60 \\

We have the final answer as

<h3>60 N</h3>

Hope this helps you

6 0
3 years ago
An engine has an energy input of 125j and 35 j of that energy is transformed into useful energy
Tatiana [17]
The engine's efficiency is (35J)/125J) = 28% .

Do you have a different question to ask ?
5 0
3 years ago
Can a bullet and an automobile have the same momentum? Fully explain your answer.
noname [10]
Yes, but the velocity of the bullet would have to be much higher. Because momentum is defined as p=mv, for a bullet, which has a much, much smaller mass than a car or a truck, to have the same value for p, v_b_u_l_l_e_t\ \textgreater \ \ \textgreater \ v_a_u_t_o_m_o_b_i_l_e
5 0
4 years ago
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