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dmitriy555 [2]
3 years ago
9

A car accelerates from rest for 8.0 s, and reaches a speed of 66 m/s. How far will the

Physics
1 answer:
PSYCHO15rus [73]3 years ago
3 0

Answer: C

Explanation:

Find the acceleration using this kinematic equation:

v_f=v_i+at\\66=0+a*8\\a=8.25m/s^2

Now use this kinematic equation to find the displacement:

v_f^2=v_i^2+2a*d\\66^2=0^2+2(8.25)d\\4356=16.5d\\d=264m

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The force is "19 µN".

Explanation:

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\ formula: \\\\\ Forec (F) = mA \\\\ \ F \ = 2.0mA \times \int {0.3} \ y \ dy  \rightarrow  \ from\ 0 \ to \ 0.25 \\\\\ F \ = \ 2.0mA \times 0.15 * 0.25^{2} m\cdot T \\\\ F = 19 \µN

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3 years ago
Which type of electromagnetic wave allows you to control your television witha remote control?
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1 year ago
Two students, Jenny and Cho, are investigating motion.
IgorLugansk [536]

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1 year ago
Using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before h
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If it starts from 0m/s...
s=?
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a=-10
t=8
s=ut +1/2at^2
so s=(0×8)+ (0.5×-10×64)
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s=32×-10
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3 years ago
Blake is setting up his tent at a renaissance fair. If the tent is 8 feet tall and the tether can be staked no more than 2 feet
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3 years ago
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