What are two ways the Doppler effect can be applied in everyday life?

1 answer:

3 0

Two ways the Doppler effect can be applied to every day life is...
1. The pitch of an Ambulance Siren shifts as it passes you.
2. A cop's radar gun using radiation waves to find out how fast your going as you confused I-85 with the speed limit

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Explanation:

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Two blocks of masses M 1 and M 2 are connected by a massless string that passes over a massless pulley as shown in the figure. M

stealth61 [152]

The mass M1 is 7.8 kg

Explanation:

Block M1 is hanging on the string while block M2 is on the frictionless ramp.

We have to write the equations of motion for the two blocks.

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$M_1 g - T = M_1 a$

where

$M_1$ is the mass of the block

$g=9.8 m/s^2$ is the acceleration of gravity

$a$ is the acceleration of the system

- For M2, the only two forces acting on it are the tension in the string T (acting up along the ramp) and the component of the gravity acting down along the ramp, $M_2 g sin \theta$ . So the equation of motion is