Answer:
Effort = 125 N
Explanation:
Given
Load (L) = 500 N
Load distance (L.D) = 20 m
Effort distance (E. D) = 80 m
Effort (E) = ?
We have the formula that
E * E.D = L * L. D
E * 80 = 500 * 20
80E = 10000
E = 10000/80
E = 125 N
is the number of years since it formed
i hope this help
sorry if it wrong
Explanation:
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How to Get Rid of Greenfly on Roses
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Garden
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Pest Control
ByHana LaRockUpdated September 10, 2019
Greenflies (Aphidoidea spp.), otherwise known as aphids, are one of the most common garden pests. Though they can be found on virtually any plant due to the delicious sap, there are types of greenflies that generally prefer roses over anything else. These are rose aphids, or Macrosiphum rosae.
While some greenflies are important to the life cycle and ecosystem of all plants and insects that exist in a garden, too many of them on your plants can be a cause for concern. If you notice that your roses are under attack from rose aphids or other species of greenflies, there are ways to get rid of them before they cause too much damage.