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wel
2 years ago
8

Which graph shows the correct relationship between kinetic and speed

Physics
2 answers:
Elenna [48]2 years ago
6 0
I can’t answer without any graph options
liraira [26]2 years ago
5 0

Answer:

put a pic of the graph

Explanation:

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Which one of the following is a derived SI unit?<br>A.newton B.meter C.mole d.Kilogram ​
marusya05 [52]

Answer:

Meter

Explanation:

I'd say meters, cause it's the SI unit of length,

which is a Derived Quantity.

5 0
3 years ago
Briefly explain how a resonance tube works​
Lera25 [3.4K]

Answer:

As the tines of the tuning fork vibrate at their own natural frequency, they created sound waves that impinge upon the opening of the resonance tube. These impinging sound waves produced by the tuning fork force air inside of the resonance tube to vibrate at the same frequency.

4 0
2 years ago
Read 2 more answers
Heat flows into a gas in a piston and work is performed on the gas by its surroundings. The amount of work done is equal to the
inna [77]

Answer:

The Internal energy of the gas did not change

Explanation:

In this situation the Internal energy of the gas did not change and this is because according the the first law of thermodynamics

Δ U = Q - W  ------ ( 1 )

Δ U  = change in internal energy

Q = heat added

W = work done

since Q = W.  the value of ΔU  will be = zero   i.e. No change

4 0
3 years ago
a man throws a football straight into the air. As it rises,it slows down. Which type of energy is the football gaining?
kotykmax [81]
It is gaining potental energy which will then transfer to knetic energy as it falls
5 0
3 years ago
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Refrigerant-134a enters an adiabatic compressor as saturated vapor at -24C and leaves at 0.8 MPa and 60C. When the mass flow r
sergey [27]

Answer:

= 287kW

Explanation:

Knowing the enthalpy data, we have to

h1=239.16kJ/kg\\h2=296.81kJ/kg

So,

E_i_n_p_u_t=mh_1

Here,

m=mass flow rate

h= Enthalpy of refrigerant at the compressor

Replacing

= 1.2 × 239.16

= 287kW

4 0
3 years ago
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