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3 years ago

15

. A chemistry student’s height is measured at 68.5 inches. How tall is the student in cm?

2 answers:

RideAnS [48]3 years ago

8 0

Answer:

173.99 centimeters

Explanation:

multiply the length value by 2.54

Georgia [21]3 years ago

5 0

Answer:

A chemistry student’s height is measured at 68.5 inches. How tall is the student in cm?

Explanation:

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Mary and her younger brother Alex decide to ride the 26 ft diameter carousel at the State Fair. Mary sits on one of the horses i

hammer [34]

Answer:

$a_M=1.92a_A$

Explanation:

$\omega_M=\omega_A$ = Angular speed

$r_M$ = Distance of Mary = 11.5 ft

$r_A$ = Distance of Alex = 6 ft

Ratio of centripetal acceleration is given by

$\dfrac{a_M}{a_A}=\dfrac{\omega_M^2r_M}{\omega_A^2r_A}\\\Rightarrow \dfrac{a_M}{a_A}=\dfrac{r_M}{r_A}\\\Rightarrow a_M=a_A\dfrac{r_M}{r_A}\\\Rightarrow a_M=\dfrac{11.5}{6}a_A\\\Rightarrow a_M=1.92a_A$

Mary's centripetal acceleration is 1.92 times the centripetal acceleration of Alex

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3 years ago

Who can help me?? physic question

IgorC [24]

Assuming acceleration due to gravity of the moon is constant and there’s no initial velocity in the mans jump we can use one of the kinematic equations. x(final)=x(initial)+(1/2)gt^2. Plug in known values. 0=10-(1.62/2)t^2. The value 1.62 is acceleration of gravity on the moon. Now simply solve for t. t=3.513

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If a chemical reaction has a AH value of -125 kJ, it would be considered what?

egoroff_w [7]

exothermic

Explanation:

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erma4kov [3.2K]

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