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3 years ago

HELP the decay curve of twizzlers sheet!!!!!

Physics

1 answer:

Vinvika [58]3 years ago

7 0

Ok so the first thing you need to do is im not gonna help you

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A long, thin straight wire with linear charge density λ runs down the center of a thin, hollow metal cylinder of radius R. The c

Delvig [45]

Answer:

$E=\dfrac{\lambda }{2\pi \varepsilon _or}$

Explanation:

Given that

For straight wire

Charge density= λ

For hollow metal cylinder

Charge density=2 λ

We know that electric filed for wire given as

$E_w=\dfrac{\lambda_{wire} }{2\pi \varepsilon _or}$

$E_w=\dfrac{\lambda }{2\pi \varepsilon _or}$

Now the electric filed due to hollow metal cylinder

$E_c=\dfrac{\lambda_{cylinder} }{2\pi \varepsilon _or}$

$E_c=\dfrac{2\lambda }{2\pi \varepsilon _or}$

Now by considering the Gaussian surface r<R then only electric fild due to wire will present.So

At r<R

$E=\dfrac{\lambda }{2\pi \varepsilon _or}$

5 0

3 years ago

For work to be done on an object,

djverab [1.8K]

Answer:B

Explanation:

For work to be done, the object must move some distance as a result of a force

3 0

3 years ago

What is the instantaneous speed of the object after the five seconds?

OverLord2011 [107]

Answer:

12.5 m/s

Explanation:

In a acceleration time graph the area under the curve gives the change in velocity of the object. Here object starts at rest and therefore initial velocity is 0. After 5 seconds acceleration is 5m/s2.

change in velocity=area under the curve

change in velocity= 0.5*acceleration* change in time

v-0=0.5*5*5

v=12.5 m/s

7 0

3 years ago

Which substance is a heterogeneous mixture?

anyanavicka [17]

Answer:

A heterogeneous mixture is simply any mixture that is not uniform in composition - it's a non-uniform mixture of smaller constituent parts.

Explanation:

3 0

3 years ago

Read 2 more answers

In 2013, the world record depth for free diving without assistance was 101 m. What is the pressure in the water (assumed freshwa

serg [7]

Answer:

The pressure in the water is $1.1\times10^{6}\ Pa$

Explanation:

Given that,

Depth = 101 m

Let P be the pressure at the bottom of water at a depth

We need to calculate the pressure in water

Using formula of pressure

$P=P_{w}+P_{atm}$

Where, $P_{atm}$ = atmospheric pressure

$P_{w}$ = pressure in water

Put the value of $P_{w}$ in to the formula

$P=\rho hg+P_{atm}$

Put the value into the formula

$P=1000\times101\times9.8+101325$

$P=1.1\times10^{6}\ Pa$

Hence, The pressure in the water is $1.1\times10^{6}\ Pa$

6 0

3 years ago

Read 2 more answers