Physics, 18.02.2020 05:31, TrueKing184

How does the image help convey the message of this poster?

The image of a large clock next to a lazy worker stresses the importance of being on time, particularly for work in the factories.
The image of a large clock next to an unproductive worker emphasizes the importance of utilizing every minute of production time.
The image of a large clock next to a tired worker supports the idea of maintaining fair working hours, even during the war.
The image of a large clock next to a slow worker suggests that faster production is the central key to winning the war.

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The image of a large clock next to an unproductive worker emphasizes the importance of utilizing every minute of production time.

Explanation:

The poster in question is a British poster from the Second World War. Time has always been considered an important resource, and in time of war, it is priceless. Every minute is treasured and can make a difference, especially in the industry. Faster production does not necessarily lead to winning the war, but can affect its outcome. So, the poster tells the workers that they should use all the time they have and contribute as much as they can.

answered: Guest

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

$f\alpha \frac{dp}{dt}$

⇒ $f= k \frac{dp}{dt}$

here k is the proportionality constant whose value is 1.

$f=\frac{dp}{dt}$

$f= \frac{d[mv]}{dt}$

$f= m\frac{dv}{dt} +v\frac{dm}{dt}$

$f=ma+v\frac{dm}{dt}$ [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.

answered: Guest

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

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How does the image help convey the message of this poster?

The image of a large clock ne...