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3 years ago

A balloon gets Burt's if you pump much air into it ? give reason

Physics

1 answer:

lilavasa [31]3 years ago

5 0

Answer:

When you blow air into balloon, it expands due to the elasticity of the rubber But after a point, the rubber expanded to its maximum point and

cannot be stretched further If the ballon is blown beyond this point ,it will burst because there will be no space for the rubber to accommodate the air

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List the following items in order of decreasing speed, from greatest to least: (i) A wind-up toy car that moves 0.15 m in 2.5 s.

a_sh-v [17]

Answer:

(iii) > (ii) > (iv) > (i)

Explanation:

Part (i):

$\textrm{Speed of the wind-up toy} = \dfrac{\textrm{distance traveled}}{\textrm{Time taken}}\\\Rightarrow v_1=\dfrac{0.15\ m}{2.5\ s}\\\Rightarrow v_1 = 0.06\ m/s$

Part (ii):

$\textrm{Speed of the soccer ball} = \dfrac{\textrm{distance traveled}}{\textrm{Time taken}}\\\Rightarrow v_2=\dfrac{2.3\ m}{0.55\ s}\\\Rightarrow v_2 = 4.18\ m/s$

Part (iii):

$\textrm{Speed of the bicycle} = \dfrac{\textrm{distance traveled}}{\textrm{Time taken}}\\\Rightarrow v_3=\dfrac{0.66\ m}{0.075\ s}\\\Rightarrow v_3 = 8.8\ m/s$

Part (iv):

$\textrm{Speed of the cat} = \dfrac{\textrm{distance traveled}}{\textrm{Time taken}}\\\Rightarrow v_4=\dfrac{8.0\ m}{2.0\ s}\\\Rightarrow v_4 = 4.0\ m/s$

From the above calculations, we have

$v_3>v_2>v_4>v_1$

So, the speed in the parts mentioned arranged in decreasing order as follow:

(iii) > (ii) > (iv) > (i)

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3 years ago

Tom pulls a muscle. He has to stop working to get an ice pack. Claudia continues to work and soon finishes her pile.

aliya0001 [1]

Answer:

Tom

Explanation:

if for example both their work is 40 and Tom stops working after 2 hours but Claudia continues and stops after 3 hours when you divide their work by their time Claudia will get a lower number of power.

(in your explanation maybe use different numbers based on you book or notes)

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4 years ago

What solid conducts electricity most efficiently?

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3 years ago

Read 2 more answers

3. Suppose you are driving 14 miles/hour with a compass reading of 35°north of east.

Karo-lina-s [1.5K]

We have that for the Question " Suppose you are driving 14 miles/hour with a compass reading of 35°north of east." it can be said that

The distance covered in a hour is

14miles

Whiles the displacement is

14miles due North

From the question we are told

Suppose you are driving 14 miles/hour with a compass reading of 35°north of east.

Generally

Where distance is a scalar Quantity and displacement a vector Quantity

Therefore

The distance covered in a hour is

14miles

Whiles The displacement is

14miles due North

For more information on this visit

brainly.com/question/23379286

3 0

3 years ago

A balloon gets Burt's if you pump much air into it ? give reason​

A balloon gets Burt's if you pump much air into it ? give reason