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bazaltina [42]
2 years ago
9

Help !!!!!!!!Please its Urgent.​

Physics
1 answer:
Wewaii [24]2 years ago
6 0

None can.

A clinical thermometer only measures temperatures above +30°C.

Mercury and alcohol are both frozen solid at -50°C.

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What affects sounds at their source? MENTION DOPPLER EFFECT AND VIBRATIONS
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Answer:

Doppler effect, the apparent difference between the frequency at which sound or light waves leave a source and that at which they reach an observer, caused by relative motion of the observer and the wave source. This phenomenon is used in astronomical measurements, in Mössbauer effect studies, and in radar and modern navigation.

Explanation:

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3 years ago
Is it true that at freezing point particle are vibrating so fast they break free?
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It is false. The effect of freezing is almost the exact opposite
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3 years ago
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An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 14.0 m if her initial speed is 2.20 m/
pochemuha

We have the equation of motion

                          v^2 = u^2+2as , where v is the final velocity, u is the initial velocity, a is the acceleration and s is the displacement.

In this case initial velocity = 2.20 m/s, final velocity = 0 m/s, displacement = 14 m

On substitution we will get 0 = 2.20^2+2*a*14

On solving we can find the acceleration value as -0.173m/s^2

So free fall acceleration = 0.173m/s^2

                                             


3 0
3 years ago
From 0 seconds to 4 seconds is the acceleration positive or negative?
Alenkinab [10]

Answer:

From 0 -4 seconds the acceleration is positive. (The graph is going upwards.)

From 6-10 seconds the acceleration is negative. (The graph is going downwards.)

7 0
3 years ago
Help please asap
Rasek [7]
B because the mantle is farther down in and a egg has more of the hard stuff inside
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