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3 years ago

The unit of length most suitable for measuring the thickness of a cell phone is a

Physics

1 answer:

Law Incorporation [45]3 years ago

7 0

The unit of length most suitable for measuring the thickness of a cell phone is millimeter or inches or centimeter.

<u>Explanation: </u>

Cell phones are best used which gets in the size of palms in terms of length and very slim. Mostly the unit of length for the thickness is usually measured in meter scale but as the cell phones tend to slimmer than your palm it generally comes under centimeter scale.

So, it is desirable for the cell phone to be below the centimeter scale. Hence it is specified in terms of centimeter or millimeter. But as technology is enhanced to obtain slimmer smart cell phones, it is most desirable to specify the thickness in terms of millimeters.

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Answer:

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How to find out the heat capacity of a material?

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$\huge\underline{\underline{\boxed{\mathbb {EXPLANATION}}}}$

The heat capacity is given by the expression:

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$\huge\underline{\underline{\boxed{\mathbb {ANSWER:}}}}$

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1 year ago

A 10 kg gun recoils with a speed of 0.1 m/s after it fires a 0.001 kg bullet. What is the speed of the bullet?

Kitty [74]

As we know that here gun + bullet system is isolated from all other external force system

so here the momentum of system is always conserved

so we will say

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3 years ago

A model airplane with a mass of 0.741kg is tethered by a wire so that it flies in a circle 30.9 m in radius. The airplane engine

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$\tau = F r$

where

F is the magnitude of the thrust

r is the radius of the wire

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r = 30.9 m

Therefore, the torque produced is

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(b) $0.035 rad/s^2$

The equivalent of Newton's second law for a rotational motion is

$\tau = I \alpha$

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$\tau$ is the torque

I is the moment of inertia

$\alpha$ is the angular acceleration

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where in this problem we have

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