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velikii [3]
3 years ago
5

Why does it hurt your hands when you carry heavy shopping in carrier bags?

Physics
2 answers:
Elodia [21]3 years ago
8 0
I think it is when the plastic is wrap tight in your hand it makes them fell sore
PilotLPTM [1.2K]3 years ago
8 0
It hurts your hands because the handle of the carrier bag cuts into your skin
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a skinny girl devours food that is equivalent to 600 kcal, as she is anorexic she repents and wants to lose twice as many calori
blondinia [14]

Answer:

Explanation:

Work done in lifting the weight once = mgh

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= 705.6 J  

= 705.6 / 4.2 calorie

= 168 cals

Total energy to be spent = 600 x 10³ cals

No of times weight is required to be lifted

= 600 x 10³ / 168

= 3.57  x 10³ times

Total time to be taken = 2 x 3.57 x 10³

= 7.14 x 10³ s

=119 minutes .

4 0
3 years ago
At what speed does a 1400 compact car have the same kinetic energy as a 20000 truck going 25 ?
kumpel [21]
K=1400*V^2/2
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v^2=100*225/7
v=250/7^(1/2)

Answer: 250*7^(1/2)/7
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Natasha_Volkova [10]

Answer:

a

Explanation:

a

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Hope this helps!
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