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aliina [53]
3 years ago
9

Because of churning rock and ash, the largest volcanic eruptions are sometimes surrounded by

Physics
1 answer:
Sonja [21]3 years ago
7 0
Calderas are what sometimes surround it
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What is the wavelength of an electromagnetic wave that travels at 3 10 m/s and has a frequency of 60 mhz? (1 mhz = 1,000,000 hz)
Dahasolnce [82]
V = 310 m/s
f = 60 MHz = 60 × 10^6 Hz
v = xf
x = v/f
x = 310/(60 × 10^6) m
x = 5.166667 × 10^(−6) m
8 0
3 years ago
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A slingshot is used to shoot a small ball upward into the air; when the pouch is released, the sling propels the ball upward. as
alexdok [17]

Explanation:

kinetic to gravitational

4 0
3 years ago
What happens in terms of energy when a moving car hit a parked car causing the park card to move?
olga_2 [115]
Its like newtons 3rd law that once in motion a outer force has to stop it
5 0
3 years ago
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1. If a car travels 400m in 20 seconds how fast is it going?
Marrrta [24]

Answer:

1) 20 m/s

2) 5 m/s

3) 2 m/s

4) 395,000m/9000s

5) 16 km/0.25h

Explanation:

i dunno

5 0
3 years ago
Imagine you’re an engineer making a string of battery powered holiday lights. If a bulb burns out current cannot flow through th
Anit [1.1K]

Answer:

The 2 light bulbs can be connected in parallel to each other to avoid disconnection when one bulb burns out.

Explanation:

The parallel connection is required not series. A parallel connection is the connection of electronic components (e.g bulbs, LED, resistors, capacitors etc) in such a way that the same voltage is supplied across the ends of the components.  While in a series connection, the components are connected to each other end-to-end.

As regard the question, parallel connection ensures that the brightness any of the bulbs is not affected with respect to the other bulbs. And other bulbs continue to function when any burns out. The 2 light bulbs should be connected in parallel to the baterry to avoid disconnection of all the bulbs.

4 0
3 years ago
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