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3 years ago

5

the scientists tested a hypothesis on running in the rain performed only one controlled experiment that supported their hypothes

is. Can their supported hypothesis be called a theory?

1 answer:

Ulleksa [173]3 years ago

7 0

No it cannot because you would have to test it over and over again to make sure it was correct the first time.

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3 years ago

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2 years ago

Holly puts a box into the trunk of her car. Later, she drives around an unbanked curve that has a radius of 48 m. The speed of t

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Answer:

The minimum coefficient of friction is 0.544

Solution:

As per the question:

Radius of the curve, R = 48 m

Speed of the car, v = 16 m/s

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$F_{c} = \frac{mv^{2}}{R}$

$f_{s} = \mu_{s}mg$

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$\mu_{s}$ = coefficient of static friction

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$F_{net} = f_{s} - F_{c}$

$0 = f_{s} - F_{c}$

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$\mu_{s} = \frac{v^{2}}{gR}$

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3 years ago

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