3 years ago

At what point does the comet experience the strongest force of gravity?

Physics

1 answer:

spin [16.1K]3 years ago

5 0

I think the answer may be the letter B

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When you turn on a fan its electrical energy changes into kinetic energy

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a car travels at 50 m/s for first 20 seconds , 30 m/s for next 30 seconds and finally 20 m/s for next 10 seconds . find its aver

kaheart [24]

The average speed traveled by car is $35m/s$ .

$1^{st}$ case

Speed $=50m/s\\$

Time $=20s$

Distance $=$ $speed*time= 50*20=1000m$

$2^{nd}$ case

Speed $=30m/s$
Time $=30s$

Distance $=30*30=900m$

$3^{rd}$ case

Speed $=20m/s$
Time $=10s$

Distance $=20*10=200m$

Now, The total distance $=(1000+900+200)m=2100m$

Total time $=(20+30+10)s=60s$

Average distance $=\frac{total distance}{total time} = \frac{2100}{60}=35m/s$

To learn more about Average speed, refer to:

brainly.com/question/21097620

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2 years ago

If you attach a 100 g mass to the spring whose data are shown in the graph, what will be the period of its oscillations?

ycow [4]

if for a force of 0.5 N we have a displacement of -0.02m we can calculate the elastic constant(k) with the formula F=-kx(F=0.5N x=-0.02)

k=F/x k=0.5/0.02=25N/m

now we can calculate the period by the formula

T=2π√(m/k)

in the mass we convert grams to kilograms so 100g=0.1kg

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4 years ago

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