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ASHA 777 [7]
4 years ago
13

What is the gravitational potential energy of a 150 kg object suspended 5m above the Earth's surface

Physics
1 answer:
ella [17]4 years ago
6 0
The gravitational potential energy referred to the ground level is given by
U=mgh
where m is the mass of the object, g=9.81 m/s^2 is the gravitational acceleration and h is the height of the object with respect to the ground.

Therefore in our problem the potential energy is
U=(150 kg)(9.81 m/s^2)(5 m)=7357.5 J
You might be interested in
What is the electron configuration of the titanium(II) cation (Ti2+)? Enter the electron configuration (e.g., [Ne]3s^2).
Black_prince [1.1K]

Answer:

   [Ne] 3s² 3p⁶ 3d²  

Explanation:

Given that Ti²⁺

The configuration for Ti

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d²

We know that when element loose electron then get positive charge.

The configuration for Ti²⁺

1s² 2s² 2p⁶ 3s² 3p⁶ 3d²

The electronic configuration of Ne

            1s² 2s² 2p⁶

Then we can say that electronic configuration for  Ti²⁺

             [Ne] 3s² 3p⁶ 3d²

Therefore answer is    [Ne] 3s² 3p⁶ 3d²

6 0
3 years ago
An oil gusher shoots crude oil 25.0 m into the air through a pipe with a 0.100-m diameter. Neglecting air resistance but not the
Mariana [72]

Answer:3764.282 KPa

Explanation:

Given gusher shoots oil at h=25 m

i.e. the velocity of jet is

v=\sqrt{2gh}[/tex]

v=22.147 m/s

Now the pressure loss in pipe is given by hagen poiseuille equation

\Delta P=\frac{32L\mu v}{D^2}

\Delta P=\frac{32\times 50\times 22.147\times 1}{10^{-2}}

\Delta P=3543.557 KPa

For  25 m head in terms of Pressure

\Delta P_2=\rho \times g\times h=220.725 KPa

Total Pressure=\Delta P+\Delta P_2=3543.557+220.725=3764.282 KPa

4 0
3 years ago
The mass of an object is a measure of its
valentina_108 [34]
Hope it helped you.

A. Acceleration is a wrong answer. Acceleration is the rate of change to in velocity. It involves a change in speed and direction. 

B.  Force is a wrong answer. Force is a directions from push/or pull.

C. Inertia is a correct. Inertia is a tendency of an object to stay at the rest or preserve its state of motion.

D. Velocity is a incorrect answer. Velocity is the placement of an object during a specific unit of time. It has two measurements are needed to determine velocity.

-Charlie

-Thank you so much!

Have a great day!
4 0
3 years ago
Write the name of two substance used to laminate the core of transformer​
Yakvenalex [24]

Answer:

Transformers use “electrical steel” alloys. ... From 1% to 6.5% silicon is added, as well as a small amount (up to 0.5%) of manganese and aluminum to reduce brittleness in alloys with higher percentages of silicon. Electrical steels are formulated and processed to have low hysteresis and eddy-current losses.

Explanation:

The eddy currents consume energy and heat the iron core. The designers of the electrical machines and transformers laminate the core with thin sheets of iron coated with a thin oxide layer.

8 0
3 years ago
Michelle walked 217 meters in 2 minutes ,55 seconds what is her speed
anyanavicka [17]

Explanation:

55×60=3300

2×60=120

3300+120=3420

speed=distance/time

speed=3420/217

x=15.6ms^-1

8 0
3 years ago
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