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JulijaS [17]
3 years ago
14

What will be the effect on the acceleration due to

Physics
1 answer:
goldenfox [79]3 years ago
4 0

Answer:

If the present earth is squeezed to the size of moon, the acceleration due to gravity will be increased by about 14 times since, acceleration due to gravity is inversely proportional to the square of radius if mass is constant.

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You drop a rock off of a cliff at exactly the edge after 25 seconds exactly you hear a splash your physics friend tells you the
Reptile [31]
The speed of sound is 340.29 meters per second.

Knowing that, we can calculate how high this cliff is by 340.29 * .4 

The cliff is 340.29 * .4 = 136.12 meters
8 0
4 years ago
A truck moves 60 km West, and then 80 km North, and then
stira [4]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Distance travelled by the truck is ~

  • \boxed{240 \:  \: km}

And it's displacement is ~

  • \boxed{0 \:  \: km}

\large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}

See the diagram in attachment for reference ~

Let O be the initial point, It travels 60 km towards west till point B and then 80 km towards north till point P and returns to initial point O in a straight line, now as we can observe here, it forms a right angled Triangle.

The measure of two legs is 60 km and 80 km, let's find the hypotenuse ~

According to Pythagoras theorem ~

hypotenuse² = sum of squares of other two legs

that is ~

  • h {}^{2}  = 60 {}^{2}  + 80 {}^{2}

  • {h}^{2}  = 3600 + 640 0

  • h {}^{2}  = 10000

  • h =  \sqrt{10000}

  • h =  \sqrt{100 \times 100}{}

  • h = 100 \:  \: km

So, the distance between the point A and O is 100 km

Now, The total distance is equal to the distance covered through actual path that is ~

  • 60 km + 80 km + 100 km

  • 240 km

And displacement is the distance between the final point and initial point, but since the truck returns to the point from where it started the journey, so the final and initial point is same therefore displacement is equal to 0.

4 0
3 years ago
identify the action reaction forces in each picture the first picture is done for you write your answer on a separate sheet of p
xxMikexx [17]

Newton's Third Law of Motion states that for every action there must exist an equal but opposite reaction.

This ultimately implies that, Newton's Third Law of Motion is a law based on action-reaction force pairs.

In this exercise, you're required to identify the action-reaction forces in the attached picture.

Under condition A, a boy is leaning against a wall;

  • The force being exerted by the boy on the wall is a force of action.
  • The force being exerted by the wall on the boy is a force of reaction.

Under condition B, a boy is jumping off a diving board.

  • The force being exerted by the feet of the boy on the diving board is a force of action.
  • The force being exerted by the diving board on the feet of the boy is a force of reaction.

Under condition C, a nail is being hammered into the wall.

  • The force being exerted by the hammer on the nail is a force of action.
  • The force being exerted by the nail on the hammer is a force of reaction.

Under condition D, a man is walking on a ground (floor).

  • The force being exerted by the foot of the man on the ground (floor) is a force of action.
  • The force being exerted by the ground (floor) on the foot of the man is a force of reaction.

Under condition E, a boy is holding a ball;

  • The force being exerted by the hand of the boy on the ball is a force of action.
  • The force being exerted by the ball on the hand of the boy is a force of reaction.

Read more: brainly.com/question/15170643

4 0
3 years ago
The universe could be considered an isolated system because
Stolb23 [73]

Answer:

A(many people think that no energy or matter exists outside the universe)

Explanation:

4 0
3 years ago
Make a 29 day timeline. Along the timeline draw and label the phases of the Moon starting with a full moon, crescent, first quar
Yanka [14]
Ummm.... this is a type of question that u have to do by yourself for class. Good luck ;)!!!!! Plz mark as brainliest
5 0
3 years ago
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