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Mashutka [201]
3 years ago
5

Why are wheels and steam engine important in the history of transport​

Physics
1 answer:
STALIN [3.7K]3 years ago
5 0

Explanation:

Because it's a power to turn the wheels of industry

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The function​ s(t) represents the position of an object at time t moving along a line. Suppose s (2 )equals 146and s (6 )equals
sineoko [7]

Answer:

v(t) = 27 units

Explanation:

The function s(t) represents the position of an object at time t moving along a line such that,

s(2)=146

and

s(6)=254

We need to find the average velocity of the object over the interval of time [2,6]. The velocity of the object is equal to the total distance divided by time. It is given by :

v(t)=\dfrac{s(6)-s(2)}{6-2}

v(t)=\dfrac{254-146}{6-2}

v(t) = 27 units

So, the  average velocity of the object is 27 units. Hence, this is the required solution.

5 0
3 years ago
Which of the following is closest to 2cm?
Sloan [31]
C because the the smallest thing then the other ones because it never said what kind of size of it
4 0
3 years ago
How much work is done by a forklift raising a 125 kg object a distance of 10 meters?
lozanna [386]

W = Fd

W = 1225 N x 10 m = 12250

6 0
3 years ago
light of a wavelength 600 nm shines on a soap bubble film. For what soap film thickness will destructive interference occur
VashaNatasha [74]

Answer:

The minimum thickness of the soap bubble for destructive interference to occur is 225.56 nm.

Explanation:

Given;

wavelength of light, λ = 600 nm

The minimum thickness of the soap bubble for destructive interference to occur is given by;

t = \frac{\lambda/n}{2}\\\\t = \frac{\lambda}{2n}

where;

n is refractive index of soap film = 1.33

t = \frac{\lambda}{2n} \\\\t = \frac{600*10^{-9}}{2(1.33)}\\\\t = 2.2556 *10^{-7} \ m\\\\t =  225.56 *10^{-9} \ m\\\\t = 225.56 \ nm

Therefore, the minimum thickness of the soap bubble for destructive interference to occur is 225.56 nm.

4 0
3 years ago
Coil the wire around the nail. Connect one end of the wire to the positive battery terminal. Connect the other end of the wire t
Andrej [43]
Static i think 
not sure
hope it helps
5 0
3 years ago
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