In this ecosystem, squirrels find and eat acorns from trees. What would happen to the balance of the ecosystem if populations of
squirrels decreased?
A.) The number of acorns would increase.
B.) The number of acorns would decrease.
C.) The number of acorns would stay the same.
D.) The number of acorns would decrease and then increase.
A.) The number of acorns would increase.
B.) The number of acorns would decrease.
C.) The number of acorns would stay the same.
D.) The number of acorns would decrease and then increase.
1 answer:
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Answer:
PART A)
External force will be 75 N
PART B)
distance moved will be 1.125 m
Explanation:
PART A)
Given that net force on the mower is
now we also know that friction force due to ground is given as
now we have
so external force will be 75 N
PART B)
deceleration due to friction when external force is removed from it
now we can find the distance by kinematics
so the distance moved will be 1.125 m