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3 years ago

Is a stick living,non living or Dead ?

Physics

2 answers:

Airida [17]3 years ago

6 0

Non living and dead are the same thing

wolverine [178]3 years ago

5 0

A stick as in a fallen stick or a stick one. A tree. If fallen it's non living, non living and dead are different things because non living means it was never alive therefor will never be dead. If it's on a tree it's living because the tree is living and there connected

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If 1 m = 100 cm , then how many cm^2 are there in a m^2 ?? please hel[p

maw [93]

Answer:if 1 m = 100 cm then there should be 200 cm in m^2

Explanation:

7 0

2 years ago

Read 2 more answers

The electric field 2.5 mm from a uniform sheet of charge is σ=800, NC. How much charge is contained in a 5.0x5.0 cm section of t

slamgirl [31]

Answer:

The charge is $2.75\times10^{-13}\ C$

Explanation:

Given that,

Distance = 2.5 mm

Electric field = 800 NC

Length $L=5.0\times5.0\times10^{-4}\ m$

We need to calculate the linear charge density

Using formula of linear charge density

$E=\dfrac{2k\lambda}{r}$

$\lambda=\dfrac{Er}{2k}$

Put the value into the formula

$\lambda=\dfrac{800\times2.5\times10^{-3}}{2\times9\times10^{9}}$

$\lambda=1.1\times10^{-10}\ C/m$

We need to calculate the charge

Using formula of charge

$Q=\lambda\timesL$

Put the value into the formula

$Q=1.1\times10^{-10}\times(5.0\times5.0\times10^{-4})$

$Q=2.75\times10^{-13}\ C$

Hence, The charge is $2.75\times10^{-13}\ C$

5 0

2 years ago

The question is in the picture. :)

NISA [10]

Player A needs the least amount of energy. The ball is light weight and she is closest to the goal so the momentum need to kick the ball will be the least and the distance is has to travel is the shortest. But player C needs the most amount of energy. The ball is heavy so it will take the most momentum to move the ball and over such a long distance. Hope this help idrk.

5 0

2 years ago

A car moving at 50 miles per hour speeds up steadily to 70 miles per hour over a period of 30 minutes. How far did it travel dur

eimsori [14]

Answer:

The car will travel 30 miles during the 30-minutes period of acceleration.

Explanation:

Given data :

Initial velocity = v₁ = 50 miles/hour

Final velocity = v₂ = 70 miles/hour

Time = t = 30 min = 0.5 hour

Using the definition of acceleration, we find the acceleration (a)

a = (v₂ - v₁) ÷ t

a = (70 - 50) ÷ 0.5

a = 20 ÷ 0.5

a = 40 miles/hour²

Using 3rd equation of motion, we find the distance travel (s)

2as = v₂² - v₁²

2(40)s = 70² - 50²

80 × s = 4900 - 2500

s = 2400 ÷ 80

s = 30 miles

5 0

3 years ago

Rearrange the momentum equation to solve for speed. Show all work.

nasty-shy [4]

Definition: Momentum = (mass) x (speed)

OK. Here we go.
Watch closely:

Divide each side
by 'mass' : <span>Momentum / mass = Speed </span>

Did you follow that ?

3 0

2 years ago