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olga55 [171]
3 years ago
8

Why did corn borers increase after the fields were sprayed for beetles?

Physics
2 answers:
Vera_Pavlovna [14]3 years ago
5 0

Answer:

The natural predators for the borers was gone

mina [271]3 years ago
4 0
<span>After the fields were sprayed for beetles corn borers increased because their natural predator was gone. The beetles had been keeping the corn borers at bay but once their natural predator had been eradicated the corn borers were protected and flourished.</span>
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Aleks [24]

Answer:

a. 1.64 m/s²

Explanation:

Centripetal acceleration is the square of tangential velocity divided by the radius.

a = v²/r

First, convert km/h to m/s.

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Find the acceleration.

a = (8.33 m/s)² / (42.4 m)

a = 1.64 m/s²

6 0
3 years ago
What average net force is required to stop a 4.5 kg bowling ball,initially at rest, accelerated for 6 seconds over a distance of
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32

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3 years ago
A pair of narrow slits, separated by 1.8 mm, is illuminated by a monochromatic light source. Light waves arrive at the two slits
Nastasia [14]

Answer:

750 nm

Explanation:

d  = separation of the slits = 1.8 mm = 0.0018 m

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n  = order = 1

Position of first bright fringe is given as

y = \frac{nD\lambda }{d}

0.002 = \frac{(1)(4.8)\lambda }{0.0018}

λ = 7.5 x 10⁻⁷ m

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3 0
3 years ago
A ball is thrown at an angle of 38 degrees to the horizontal. What happens to the magnitude of the ball's vertical acceleration
Brut [27]

Answer:

<em>I belive it is 38 degrees</em>

<em />

Explanation:

7 0
3 years ago
Scientists have discovered convection currents inside Earth. Explain how these convection currents move and what layer(s) they o
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