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Mars2501 [29]
3 years ago
11

Five friends each do the same amount of work lifting crates up onto shelves. The time it took each person are shown below in the

table
Meg 2.5 Andrew 1.7 Ryan 3.2 Amy 1.5 Tom 2.2
Place the friends in order of increasing power
Physics
1 answer:
hichkok12 [17]3 years ago
8 0
Amy 1.5 Andrew 1.7 Tom 2.2 Meg 2.5 Ryan 3.2
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If you were to apply a force of 15N to a medicine ball with a mass of 5kg, what would its acceleration be
yaroslaw [1]

Given that

Force (F) = 15 N ,

mass (m) = 5 Kg ,

acceleartion = ?

              We know that, From Newtons II law

                      F = m. a

                    15 = 5 × a

                     a = 15÷ 5

                       a = 3 m/s²

acceleration of the ball is 3 m/s²

4 0
4 years ago
Take the following measured gauge (or gage) pressures and convert them to absolute pressures in both kPa and psi units for an am
mamaluj [8]

Answer:

Explanation:

Given

ambient Pressure =98.10 kPa

(a)gauge pressure 152 kPa

we know

Absolute pressure=gauge pressure+Vacuum  Pressure

P_{abs}=152+98.10=250.1 kPa or 36.27 psi

(b)P_{gauge}=67.5 Torr or 8.99 kpa

as 1 Torr is 0.133 kPa

P_{abs}=8.99+98.10=107.09 kPa or 15.53 psi

(c)P_{vaccum}=0.1 bar or 10 kPa

Thus absolute pressure=98.10-10=88.10 kPa or 12.77 psi

as 1 kPa is equal to 0.145 psi

(d)P_{vaccum}=0.84 atm  or 85.113 kPa

as 1 atm is equal to 101.325 kPa

P_{abs}=98.10-85.11=12.99 kPa or 1.88 psi

6 0
3 years ago
Steam is leaving a 4-L pressure cooker whose operating pressure is 150 kPa. It is observed that the amount of liquid in the cook
Anna71 [15]

Answer:

The mass flow rate is 2.37*10^-4kg/s

The exit velocity is 34.3m/s

The total flow of energy is 0.583 KJ/KgThe rate at which energy leave the cooker is 0.638KW

<u></u>

7 0
2 years ago
The net force on any object moving at constant velocity is
aniked [119]
Zero as thrust force is balanced with friction or drag force
5 0
4 years ago
Question 8 what is the total resistance of a parallel circuit consisting of g1 = 0.004 s, g2 = 0.002 s, g3=0.001s, and g4 = 0.00
andreyandreev [35.5K]

Since the total conductance is 0.0075 s, the total resistance is 133-1/3 ohms.

5 0
3 years ago
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