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12345 [234]
3 years ago
11

A woman pulls on a 6.00-kg crate, which in turn is connected to a 4.00-kg

Physics
2 answers:
djverab [1.8K]3 years ago
7 0

Answer:

B. is subject to a smaller net force but same acceleration.

Explanation:

F = m*a

So because our force applied is constant from the women pulling on the rope which means the acceleration is the same on both the 4kg create and the 6kg create. The only thing that changes here is the mass of the creates, so there is more tension force between the women and the 6kg create then there is between the 4kg create and the 6kg. It takes less force to move the 4kg create therefore the tension force is less between the two creates.

Anastasy [175]3 years ago
7 0

Answer:

Explanation:

We know that when force (F) is applied then both the crate will move together so both have same acceleration.

And from Newton's 2 nd law we have:

F= ma , where m= mass of crate and a is acceleration.

Now for crate of mass 4 kg we have:

F = ma = 4a Newton.    

For the crate of mass 6 kg we have:

F = ma = 6a Newton.    

Hence the crate having less mass is subjected with smaller net force .

Hence from the above we can conclude that the correct answer is option 3 which is : is subjected to a smaller net force and has the same acceleration.

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Question 11 of 11 | Page 11 of 11
KiRa [710]

Answer:

Decreases the time period of revolution

Explanation:

The time period of Cygnus X-1 orbiting a massive star is 5.6 days.

The orbital velocity of a planet is given by the formula,

                                        v = √[GM/(R + h)]

In the case of rotational motion, v = (R +h)ω

                                         ω = √[GM/(R + h)] /(R +h)

Where 'ω' is the angular velocity of the planet

The time period of rotational motion is,

                                     T = 2π/ω

By substitution,

                                      <em>T = 2π(R +h)√[(R + h)/GM] </em>

Hence, from the above equation, if the mass of the star is greater, the gravitational force between them is greater. This would reduce the time period of revolution of the planet.

3 0
3 years ago
An aurora occurs when ____
ASHA 777 [7]

The short answer to how the aurora happens is that energetic electrically charged particles (mostly electrons) accelerate along the magnetic field lines into the upper atmosphere, where they collide with gas atoms, causing the atoms to give off light.

7 0
2 years ago
Which describes one event that causes an eclipse?
seraphim [82]

Answer:

earth's shadow covering the moon,thats lunar eclipse

5 0
3 years ago
After a package is dropped from the plane, how long will it take for it to reach sea level from the time it is dropped? assume t
Ivenika [448]

Time taken by the package to reach the sea level= 13.7 s

height=h=925 m

initial velocity along vertical= vi=0

acceleration due to gravity=g=9.8 m/s^2

using the kinematic equation h= Vi*t + 1/2 gt^2

925=0(t)+1/2 (9.8)t^2

4.9 t^2=925

t= 13.7 s

6 0
3 years ago
Suppose a current flows through a copper wire. Which two things occur?
Bingel [31]

Answer:

a

Explanation:

as the copper wire is very dangerous so now if these two thing happens then it would easily help the current flows through it so it might be a little bit easy for the current to flow through it

4 0
2 years ago
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