1 year ago

. You are in an airplane flying over the ocean. How could you most accurately determine your distance from the water?

Physics

1 answer:

pshichka [43]1 year ago

8 0

Answer:

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Explanation:

hjko0fraer

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a train traveling at 30m/s comes to a complete stop in 20 sec.how far did the train go during the deceleration

elixir [45]

Answer:

600m

Explanation:

v=30m/s

t=20s

s=VT

20×30=600m

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3 years ago

A solid, horizontal cylinder of mass 18.0 kg and radius 1.70.0 m rotates with an angular speed of 40 rad/s about a fixed vertica

Radda [10]

Answer:39.88 rad/s

Explanation:

Given

mass of cylinder m_1=18 kg

radius R=1.7 m

angular speed $\omega =40rad/s$

mass of $m_2=0.8 kg$ dropped at r=0.3 m from center

let $\omega _2$ be the final angular velocity of cylinder

Conserving Angular momentum

$L_1=L_2$

$\left ( \frac{m_1R^2}{2}\right )\omega =\left ( \frac{m_1R^2}{2}+m_2r^2\right )\omega _2$

$\left ( \frac{18\cdot 1.7^2}{2}\right )\cdot 40=\left ( \frac{18\cdot 1.7^2}{2}+0.8\cdot 0.3^2\right )\omega _2$

$26.01\times 40=26.082\times \omega _2$

$\omega _2=39.88 rad/s$

3 0

3 years ago

Why is the physics of hssc2 so difficult?

Ivan

Could be easy for some people and hard for some people.

8 0

3 years ago

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A device for exercising the upper leg muscle is shown above, together with a schematic representation of an equivalent lever sys

yuradex [85]

yo mamaaaaaaaaaaaaaaa

4 0

2 years ago

A car speeds up from 12.0 m/s to 16.0 m/s in 8.00s what is the acceleration

Lerok [7]

Answer:

0.5m/s²

Explanation:

acceleration =v-u/t

=(16-12)/8

=4/8

acceleration =0.5m/s²

7 0

2 years ago

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