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sp2606 [1]
3 years ago
13

Do all objects fall at the same rate?and if they do not why?

Physics
1 answer:
Tema [17]3 years ago
6 0
No, I heavier object will fall much faster than something lighter than it. This is because it’s more dense and hard so it can cut through the air particles quicker than a lighter object which takes longer to cut through the air and fall

Example:

A rock vs a feather
The rock will fall quicker because it’s more dense and falls straight down and the feather will be slower because it flows slowly down through the air particles
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A moving car has 2000 J of kinetic energy. If the speed doubles, how much kinetic energy would it have?
oee [108]
Given,
Kinetic energy of the car = 2000 J
speed of the car is doubled
we know,

now, speed of the car is doubled
v' = 2 v


Using

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Hence, the Kinetic energy would be equal to 8000 J.
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3 years ago
PLEASE HELP ME WITH THIS ONE QUESTION
Oliga [24]

OPTION D is the correct answer.

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Unos observadores en dos pueblos A y B, a cada lado de una montaña de 15 000 pies de altura, miden los ángulos de elevación entr
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3 years ago
A 10.0 N package of whole wheat flour is suddenly placed on the pan of a scale such as you find in grocery stores. The pan is su
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0.025 m

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From the question,

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3 years ago
A hockey puck sliding on a frictionless surface strikes a box at rest. After the collision, the two objects stick together and m
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Answer:

f) The puck conserves its original momentum but loses some, but not all, of its mechanical energy.

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It is a case of perfectly inelastic collision . So momentum will be conserved because no external force acts on them during the collision . But there will be loss of energy ( kinetic energy ) . It will be in the form of sound or heat that is produced during collision. They will still have some kinetic energy even after the collision.

 

Explanation:

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4 years ago
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