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DanielleElmas [232]
3 years ago
13

Which is heavier a kilogram of iron or a kilogram of feathers?​

Physics
2 answers:
inessss [21]3 years ago
5 0

Answer:

they both weight the same

Explanation:

they both weigh one kilo so they are the same

seropon [69]3 years ago
4 0

On Earth, 1 kg weighs 9.8 Newton's.

Doesn't matter what substance it's a kg of.

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The effect produced when two or more sound waves pass through the same point simultaneously is called?
navik [9.2K]
The answer to the question is sound
7 0
3 years ago
Famed stunt pilot, Cleonvia Thread, pulls out rapidly from a dive. He is traveling at 222 mi/h at the bottom of his trajectory,
Simora [160]

Answer:

0.39 m/s²

Explanation:

From the question,

a = v²/r.................... Equation 1

Where v = velocity, r = radius.

Given: v = 222 mi/h = (222×0.44704) m/s = 9.83 m/s, r = 820 ft = (820×0.3048) m = 249.94 m.

Substitute thses values into equation 1

a = 9.83²/249.94

a = 96.63/249.94

a = 0.39 m/s²

Hence the  acceleration is 0.39 m/s²

8 0
3 years ago
Which is better for prying open a stuck cover from a can of paint- a screwdriver with a thick handle or one with a long handle?
horsena [70]
Stubborn screws would be better with a long handle screw driver because it gives you more torque. A paint can would be better with the thick one because more energy would go the lid as the screwdriver wouldn't bend as much.

4 0
3 years ago
What is the total displacement of the car after 5 h? Question 4 options: 0 km 15 km 20 km 40km.
Likurg_2 [28]

Displacement can be defined as the overall change in the position of the object. The displacement of the car in 5 hrs is 0 km.

Displacement:

It is a vector quantity that is defined as the overall change in the position of the object.

The formula for displacement is:

s = s_f-s_i

Where,

s - total displacement

s_f - final position

s_i- initial position

In the given graph:

  • Car displaces 15 km in 2 hrs
  • Car displaces 20 km in 4 hrs.
  • The car moves back to the initial position in 5 hrs.

Therefore, the displacement of the car in 5 hrs is 0 km.

Learn more about Displacement:  

brainly.com/question/10919017

3 0
3 years ago
What often occurs at convergent tectonic plate boundaries?
Mandarinka [93]

Answer:

C

Explanation:

THINNING OF THE BIOSPHERE

8 0
4 years ago
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