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3 years ago

What would have the greatest gravitational pull on each other?

Physics

1 answer:

Nana76 [90]3 years ago

8 0

Answer:

A. Two small objects hsgsggahahahahahshgsgegwfw

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diving to work one morning, you get a flat tire. when using the car jack, you apply 120 N of force to the jack and the jack in t

dybincka [34]

Mechanical advantage = (output force) / (input force)

MA = (2,000 N) / (120 N)

<em>MA = 16.67</em> (16 and 2/3)

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3 years ago

A toy helicopter takes off and moves 6 m up and then 1 m back down. What

klio [65]

the answer is 5 m up AKA "B"

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4 years ago

If a train going 60 m/s hits the brakes, and it takes the train 85 seconds to stop, what is

Anvisha [2.4K]

Question :-

If a Train going with 60 m/s Speed hits the Brakes, and takes 85 sec to stop. What is the Acceleration of the Train ?

Answer :-

Acceleration of Train is 0.70 m/s² .

Explanation :-

As per the provided information in the given question, we have been given that the Speed of the Train is 60 m/s . Time taken to stop the Train is 85 sec . And, we have been asked to calculate the Acceleration of the Train .

For calculating the Acceleration , we will use the Formula :-

$\bigstar \: \: \: \boxed { \sf{ \: Acceleration \: = \: \dfrac{v \: - \: u}{t} \: }} \\$

Where ,

V denotes to Final Velocity .
U denotes to Initial Velocity .
T denotes to Time Taken .

Therefore , by Substituting the given values in the above Formula :-

$\dag \: \: \: \: \sf{Acceleration \: = \: \dfrac{Final \: Velocity \: - \: Initial \: Velocity}{Time} } \\$

$\longmapsto \: \: \: \sf{Acceleration \: = \: \dfrac{0 \: - \: 60}{85} } \\$

$\longmapsto \: \: \: \sf{Acceleration \: = \: \dfrac{60}{85} } \\$

$\longmapsto \: \: \: \textbf {\textsf {Acceleration \: = \: 0.70 }}$

Hence :-

Acceleration = 0.70 m/s² .

$\underline {\rule {210pt} {4pt}}$

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2 years ago

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You're sitting in the back of a taxi and place your bag on the seat next to you. The taxi enters a traffic circle and travels th

svp [43]

Answer:

(d) III only

Explanation:

We have to observe the motion of the bag with respect to taxi , considering taxi as stationary or inertial frame . Since bag is not moving with respect to taxi , the inertial frame that means , net force on it is zero .So option i and ii are ruled out .

Now how to explain motion of the bag ie why it is stationary ie what are the balancing force acting on it. We know that on a body on circular path , a force called centripetal force is acting on it . So that force must be acting on it . The balancing force is the frictional force which is keeping it stationary with respect to taxi . Hence the third option is correct.

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3 years ago

The reaon for wearing safety goggles in a labortory is to ___

anyanavicka [17]

Protect your eyes
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3 years ago

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