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julsineya [31]
3 years ago
13

Which of the following is not a velocity?*

Physics
2 answers:
Ipatiy [6.2K]3 years ago
5 0

50 mph is not a velocity bcos it doesn't have direction

ira [324]3 years ago
3 0

Answer:

50 mph

Explanation:

doesn’t have direction

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The area of the effort and load of the Piston of a hydrolic are 0.5 and 5m respectively. If a force of 100 Newton is applied on
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Answer:

Explanation:

Using Pascal laws, which states that pressure are the input equals the pressure at the output.

Pressure is given as force/area

P1=P2

Then,

F1/A1=F2/A2

Cross multiply

F1A2=F2A1

Given that

Ae=0.5m² area of effort

Al=5m² area of load

Fl=? Force if load

Fe= 100N. Force of effort

Then applying pascal

Fl/Al=Fe/Ae

Fl/5=100/0.5

FL/5=200

Fl=200×5

Fl=1000N

The first safety load is 1000N

6 0
3 years ago
A 3-column table with 4 rows. The first column titled substances has entries aluminum, zinc, chromium, nickel. The second column
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Answer: The metal with a volume is zinc.

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3 years ago
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Efficiency of a machine is always less than 100% why?
kifflom [539]

The reason the efficiency is always less than 100% is because there is always some sort of friction in the machine.


Answer: because of friction

7 0
2 years ago
What is projectile motion
Flura [38]
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3 years ago
A 4-m long wire with a mass of 40 g is under tension. A transverse wave for which the frequency is 860 Hz, the wavelength is 0.5
inn [45]

Answer:

Maximum acceleration will be 195372m/sec^2    

Explanation:

It is given mass m =40 gram = 0.04 kg

Length of the wire l = 4 m

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So maximum acceleration will be 195372m/sec^2

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