3 years ago

SO WASUPP... i havent been one in a whileeeeee

Physics

2 answers:

Tanya [424]3 years ago

8 0

hellooo nothing rlly u

ozzi3 years ago

6 0

helloo! i havent been on in a while either cause i decided not to cheat at all this year.. but i gave up on school

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An ambulance driver traveling at 31.0 m/s (69.3 mph) honks his horn as he sees a motorist ahead on the highway traveling in the

IrinaVladis [17]

Answer:

fo = 378.52Hz

Explanation:

Using Doppler effect formula:

$f'=\frac{C-Vb}{C-Va}*fo$

where

f' = 392 Hz

C = 340m/s

Vb = 20m/s

Va = 31m/s

Replacing these values and solving for fo:

fo = 378.52Hz

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Water is a compound because it A. cannot be broken down into simpler substances. B. always has two hydrogen atoms for each oxyge

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Answer:

$P_J=195N$

Explanation:

From the question we are told that

$Mass\ of T-joe\ M_J=65\\Velocity\ of T-joe\ V_J=3m/s\\Mass of\ T-Brud\ M_B=50kg\\Velocity\ of T-Brud\ V_B=3m/s\\$

Generally the equation for momentum is mathematically given by

$P=mv$

Therefore

T-Joe momentum $P_J$

$P_J=65*3$

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2 years ago

Two electrons are passing 20.0 mm apart. What is the electric repulsive force that they exert on each other

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Answer:

Explanation:

The momentum of an object can be found by using the formula

momentum = mass × velocity

From the question we have

momentum = 2000 × 35

We have the final answer as

Hope this helps you

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