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Troyanec [42]
3 years ago
5

What is the potential energy for and object with mass of 15 Kg and 20 m above the ground?

Physics
1 answer:
vaieri [72.5K]3 years ago
5 0

Answer:

3000J

Explanation:

The gravitational energy for any object is given by E=mgh

where m is mass, g is gravitational field strength anf h is height above ground

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In lecture, it was discussed measurements of mass, temperature, time, volume and length. which of these is not an si base unit (
photoshop1234 [79]

From the options provided in the question, the measurement which is not an SI base unit is volume.

<h3>What is SI base unit?</h3>

This is referred to as the standard and fundamental unit of measurement of various quantities or variables which is defined arbitrarily and not by combinations of other units.

Volume is a quantity which is derived from the combination of lengths in a  three-dimensional manner which is why the formula is length× breadth×height and the unit is cm³. This is gotten from the combination of the unit of length which is cm.

This is therefore the reason why volume was chosen as the most appropriate choice.

Read more about Volume here brainly.com/question/463363

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6 0
1 year ago
A monster truck enters a freeway with a speed of 0 m/s and accelerates at a rate of 25 m/s2 in 5 seconds. How far does the car t
Furkat [3]

Answer:

312.5

Explanation:

we know that

s= ut + 1/2 at^2

= 0*5+1/2*25*5^2

= 0+ 625/2

=312.5

plz mark as brainalist

5 0
3 years ago
A 4000kg truck has a head-on inelastic collision with a 2500kg truck.
iogann1982 [59]

Answer:it could be B

Explanation:

im not sure

7 0
2 years ago
PLEASE HELP ME
Minchanka [31]

Answer:

4 seconds

Explanation:

bullet flies 200m/s. thus 800m/200m=4sec

7 0
3 years ago
Which of these devices does NOT contain a magnet or electromagnet?
Black_prince [1.1K]
I think it is D a light bulb
7 0
3 years ago
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