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Vera_Pavlovna [14]
3 years ago
5

Where could you most likely observe a volcano?

Physics
1 answer:
Leni [432]3 years ago
8 0
I'm thinking the answer is going to b B
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A train is traveling at a velocity of 90 m/s and it has to travel a distance of 2500 meters to reach the train station. How long
Vlada [557]

Answer:

27.7 or 28 seconds

Explanation:

2500/90=27.7

8 0
4 years ago
A centrifuge in a medical laboratory rotates at an
suter [353]

Answer:

- 273.77 rad/s^2

Explanation:

fo = 3800 rev/min = 3800 / 60 rps = 63.33 rps

f = 0

ωo = 2 π fo = 2 x 3.14 x 63.33 = 397.71 rad/s

ω = 2 π f = 0

θ = 46 revolutions = 46 x 2π radian = 288.88 radian

Let α be the angular acceleration of the centrifuge

Use third equation of motion for rotational motion

\omega^{2}=\omega _{0}^{2}+2\alpha \theta

0^{2}=397.71^{2}+2 \times \alpha \times 288.88

α = - 273.77 rad/s^2

4 0
3 years ago
Find the equivalent resistance of this parallel circuit with two strands.
svlad2 [7]
In a parallel circuit, the total resistance calculated from the individual resistances is computed from the formula: 1/Rt = 1/R1 + 1/R2. substituting R1 and R2, then 
1/Rt = 1/7 + 1/49 
1/Rt = 1/6.125 = 1/ 49/8
Rt = 49/8 <span>Ω

The total resistance hence is </span>49/8 Ω
6 0
3 years ago
How can a small boy balance a big boy on a sea saw?​
irina [24]

Answer:

Answer: Say the big boy is 40kg and the small boy is 20kg... ... ...then by the rule that moments around a fulcrum or pivot should be equal for equilibrium, the distance of big boy from pivot=half of dist of small boy from pivot

7 0
3 years ago
Read 2 more answers
Two different wave groups with the same height travel together in the same direction. The wavelength of one group is twice as lo
Morgarella [4.7K]

Answer:

A combined wave of extra height will produce every other wave.

Explanation:

One wave Crest can catch up to another wave Crest if the group of waves are from different places.

Here the two group of waves have different wavelength but travelling together in the same direction so when they combine,they will produce every other wave.

8 0
4 years ago
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