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STatiana [176]
3 years ago
6

How much force in needed to accelerate 66 kg skier at 2 m/sec?

Chemistry
2 answers:
Rom4ik [11]3 years ago
4 0

Answer:

F

=

(

66

k

g

)

(

2

m

s

−

2

)

F

=

132

N

Explanation:

inysia [295]3 years ago
3 0

Answer:

132 Newtons

Explanation:

Force is mass times acceleration, so just multiply the numbers together. With the specified units for mass and acceleration the force will be in Newtons.

Hope this helps :)

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What is the name for CH 3 CH 2 COCHCH 3 CH(CH 3 ) 2 ?
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Answer:

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Explanation:

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4 0
2 years ago
the pressure and temperature of 10 liters of gas are doubled. if the original condition are 2 atmosphere of pressure and 400k wh
Harman [31]

Answer:

\boxed{\text{10 L}}

Explanation:

We have two pressures, two temperatures, and one volume.

This looks like a question in which we can use the Combined Gas Law to calculate the volume.

\dfrac{p_{1}V_{1}}{T_{1}} = \dfrac{p_{2}V_{2} }{T_{2}}

Data:

\begin{array}{rclrclrcl}p_{1}& =& \text{2 atm}\qquad & V_{1} &= & \text{10 L}\qquad & T_{2}& =& \text{400 K}\\p_{2}& =& \text{4 atm}\qquad & V_{2} &= & \text{?}\qquad & T_{2}& =& \text{800 K}\\\end{array}

Calculation:

\begin{array}{rcl}\dfrac{2 \times 10}{400}& =& \dfrac{4V_{2} }{800}\\\\0.050& = &0.0050V_{2}\\V_{2}& = &\mathbf{10 L}\end{array}\\\text{The final volume is }\boxed{\textbf{10 L}}

4 0
3 years ago
Some athletes have as little as 3.0% body fat. If such a person has a body mass of 67 kg , how many pounds of body fat does that
Elanso [62]
Data:
mass = 67 Kg → 147.71 pounds

Solving:

\frac{3}{100}*147.71 =  \frac{443.13}{100} \approx \boxed{4.43\:pounds\:of\:body\:fat}\end{array}}\qquad\quad\checkmark


8 0
3 years ago
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