PHYSICS MIDDLE SCHOOL

6. A golf ball is hit a distance of 300 yards in 10 sec. What is the speed of the golf ballo

Answers

Answer 1
Answer:

The speed of the ball is 27.4 m/s

Explanation:

The speed of an object is given by:

speed=(d)/(t)

where

d is the distance covered

t is the time taken

In this problem, we have:

d = 300 yards is the distance covered by the golf ball

t = 10 s is the time taken

Keeping in mind that

1 yard = 0.914 m

We can convert the distance from yards to meters:

d = 300 \cdot 0.914 = 274.2 m

And substituting into the equation, we find the speed of the ball:

speed=(274.2)/(10)=27.4 m/s

Learn more about speed:

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This is for physical science, need help :/

In which of these situations, is mechanical energy being conserved? (Neglect, air resistance, friction and breaking) Check all that apply.Child on a swing


Pendulum


Bow and Arrow


Roller Coaster

Answers

Answer:

Neglecting, air resistance, friction and breaking, all the condition has conservation of mechanical energy.

Explanation:

  • The law of conservation of mechanical energy suggests that the mechanical energy in a locked system with out any destructive forces like friction or air resistance remains always the same (constant).
  • The energy may be converted between kinetic energy, potential energy, gravitational potential but energy do not get decreased in any cases as mentioned in the option.
  • So all the cases mentioned above shows the conservation pattern of mechanical energy.

What acceleration does a 9 N force produce in a 3 kg object? Make sure to show your work. (The 4 steps)​

Answers

Answer: 3m/s^2

Explanation:

Given that:

Acceleration of object = ?

Force = 9 N

Mass of object = 3 kg

Since force is the product of the mass of an object and the acceleration by which it moves i.e Force = mass x acceleration

9N = 3kg x acceleration

Acceleration = 9N/3kg

Acceleration = 3m/s^2 (3 metres per second square)

Thus, an acceleration of 3m/s^2 is produced.

The speed of the cat

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You awser is c to the question

If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. Why does this happen?

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AS Hitler once said, Static Electricity my dear watson

What is the difference of a gemstone a rock and Crystal

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A gem is a stones that is used to make jewelry. A crystal is apure substance that has molecules arranged in "a regular geometric pattern". A gem can also be a crystal, whereas a crystal can not be a gem.

Hope this helps. <3
Crystals are pure substances that have molecules arranged in a regular geometric pattern. A gem can be a crystal whereas a crystal will not always be a gem. Gems can have mineral bases such as ruby or diamond and an organic base such as amber.
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Hope I helped :)

Ionic compounds molecules have strong forces of attraction between neighboring molecules. Which conclusion could be drawn about materials held together by ionic bonds? A) These materials would have low densities as solids. Eliminate B) These materials would have very high boiling points. C) These materials will likely be gases at room temperature. D) These materials will likely be liquids at room temperature.

Answers

Answer:

these material would have very high boiling points

Answer: B

Explanation:
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