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goldenfox [79]
2 years ago
13

An object with a mass of 70 kilograms is supported at a height of 8 meters above the ground, what's the potential energy of the

object with respect to the ground?
Physics
1 answer:
Olegator [25]2 years ago
6 0

Answer:

5488 Joules

Explanation:

Use the formula for the potential energy:

E_p = mgh = 70kg\cdot 9.8\frac{m}{s^2}\cdot 8m = 5488 J

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During an eclipse the sun the earth and the moon act as a light source,an obstacle or screen=
Zigmanuir [339]

Answer:

Un eclipse solar se produce cuando la luna se interpone en el camino de la luz del sol y proyecta su sombra en la Tierra. Eso significa que durante el día, la luna se mueve por delante del sol y se pone oscuro. ... Este eclipse total se produce aproximadamente cada año y medio en algún lugar de la Tierra.

Explanation:

espero que te

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servido

6 0
2 years ago
A student has a small metal sphere that hangs from an insulating string. The student, in seeking to determine the charge on the
Leokris [45]

Answer:

the answer the correct one is c

Explanation:

Electric charges of different signs attract and those of the same sign repel. In addition, there are two types of insulating bodies, where the loads are fixed (immobile) and metallic (with mobile loads.

Let's analyze the situation presented

* A rod with positive approaches and the sphere is attracted, so the charge on the sphere is negative

* A rod with a negative charge approaches and the sphere is attracted, therefore the charge of the sphere must be positive.

For this to happen, the sphere must be unloaded and the charge that creates the phenomenon are induced charges because the mobile charges of the same sign as the sphere are repelled.

when checking the answer the correct one is c

8 0
3 years ago
"when you double the vehicle's weight, you will __________ the vehicle's stopping distance. "
Stolb23 [73]

With same braking power you will be stopping faster on the original weight therefore the answer to fill the blank is increase. The stopping distance will increase as there'll be higher energy to dissipate than lighter cars applied with the braking force similar with that of the lighter car. Also the skid and drag will add to the distance as well as the inertia of the moving heavier vehicle would be greater as well.

5 0
2 years ago
Because not all stars are the same distance from earth, it can be difficult to determine?
Inessa [10]
I think answer is A. The Brightness of a Star
8 0
3 years ago
Read 2 more answers
A group of hikers hear an echo 2.6 s after they shout. The temperature is 20 ◦C. How far away is the mountain that reflected the
Vadim26 [7]

Answer:

x = 445.9\,m

Explanation:

The velocity of sound in air at 20 °C is 343 meters per second. The distance of mountain can be derived by the following expression:

2\cdot x = v_{air}\cdot \Delta t

x = \frac{v_{air}\cdot \Delta t}{2}

x = \frac{(343\,\frac{m}{s} )\cdot (2.6\,s)}{2}

x = 445.9\,m

4 0
3 years ago
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