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grandymaker [24]
3 years ago
14

Once you have carried out your experiment and have some results, you should

Physics
1 answer:
katrin [286]3 years ago
4 0

Answer:

I think the answer is D

Explanation:

not sure

but if its correct can i get brainliest??

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It isn't best to wear loose fitting clothing when exercising, as you may not feel too comfortable. It depends on the person. However there are a few advantages.

• Tight clothing may not be comfortable as well

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Then again when it says " loose - fitting " it may mean not too baggy. Baggy clothing can have an impact on your physical activity.

7 0
3 years ago
A constant braking force of 10 newtons applied for 5 seconds is used to stop a 2.5-kilogram cart traveling at 20 meters per seco
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Mathematically it can be expressed as: I = FpΔt. Where F p is the average magnitude of the acting force and Δt = t 2 - t 1, the time lapse in the force acts.
 The magnitude of the impulse applied to stop the cart is
 I = FpΔt = (10N) * (5s) = 50 N.s
6 0
3 years ago
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Which of the following statements about the rings of the four jovian planets is not true? a. All rings lie within their planet's
nadya68 [22]
C. all have gaps and ringlets.
5 0
3 years ago
You would convert from grams to moles by using the ___________ of the substance.
Firdavs [7]

You would convert from grams to moles by using the molar mass of the substance. The answer is letter B. for example, the molar mass Carbon dioxide is 44.01 g/mol. It means that for 1 mole of carbon dioxide, it contains 44.01 grams of Carbon dioxide.

7 0
3 years ago
A 33.0-kg child starting from rest slides down a water slide with a vertical height of 15.0 m. (Neglect friction.)
Temka [501]

This question involves the concept of the conservation of energy.

(a) The child's speed halfway will be "12.13 m/s".

(b) The child's speed three-fourth way will be "14.86 m/s".

(a)

Using the <em>law of conservation of energy</em>:

Potential Energy Lost = Kinetic Energy Gained

mgh = \frac{1}{2}mv^2\\\\2gh = v^2\\\\v = \sqrt{2gh}

where,

v = speed = ?

g = acceleration due to gravity = 9.81 m/s²

h = height lost = halfway = height/2 = 15 m/2 = 7.5 m

Therefore,

v = \sqrt{(2)(9.81\ m/s^2)(7.5\ m)}

<u>v = 12.13 m/s</u>

<u />

(b)

Using the <em>law of conservation of energy</em>:

Potential Energy Lost = Kinetic Energy Gained

mgh = \frac{1}{2}mv^2\\\\2gh = v^2\\\\v = \sqrt{2gh}

where,

v = speed = ?

g = acceleration due to gravity = 9.81 m/s²

h = height lost = three-fourth way down = \frac{3}{4}height = \frac{3}{4}(15\ m) = 11.25\ m

Therefore,

v = \sqrt{(2)(9.81\ m/s^2)(11.25\ m)}

<u>v = 14.86 m/s</u>

<u />

Learn more about the <em>law of conservation</em> of energy here:

brainly.com/question/20971995?referrer=searchResults

The attached picture shows the <em>law of conservation of energy</em>.

7 0
3 years ago
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