3 years ago

Time running out plzz hurry!!!!!!

Physics

2 answers:

Kaylis [27]3 years ago

7 0

Answer:

I THINK ITS B but I'm not suresorry

Vesnalui [34]3 years ago

3 0

I think you would hear a lower pitch

You might be interested in

Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second a

snow_lady [41]

Answer:

Explanation:

the first 35 to 40 acceleration will be 5 same as 40 to 45 ,

5+5=10

7 0

3 years ago

According to astronomers, how many galaxies are distributed across the observable universe?

Kay [80]

B: 1 trillion distributed across the universe. If I remember correctly.

4 0

3 years ago

Read 2 more answers

A 50-V de voltage source was connected in series with a resistor and capacitor. Calculate the current in A to two significant fi

Naddik [55]

Answer:

Current through circuit will be $0.2706\times 10^6A$

Explanation:

We have given source voltage v = 50 volt

Resistance $R=25Mohm=25\times 10^6ohm$

Capacitance $C=0.1\mu F=0.1\times 10^{-6}F$

Time t = 5 sec

Time constant of RC circuit is given by $\tau =RC=25\times 10^6\times 0.1\times 10^{-6}=2.5sec$

We know that voltage across capacitor is given by $v_c=v_s(1-e^{\frac{-t}{\tau }})$

$v_c=50(1-e^{\frac{-5}{2.5 }})=43.2332v$

So current will be $=\frac{v_s-v_c}{R}=\frac{50-43.2332}{25\times 10^{-6}}=0.2706\times 10^6A$

So current through circuit will be $0.2706\times 10^6A$

4 0

4 years ago

A car is a compound machine true or false

Viktor [21]

True is the answer. I believe

6 0

3 years ago

An object with a mass of 1500kg accelerates 10.0m/s when unknown force is applied to it. What is the amount of force?

Hatshy [7]

Answer:

<h3>The answer is 15000 N</h3>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 1500 × 10

We have the final answer as

Hope this helps you

5 0

3 years ago

Read 2 more answers