Answer:
Scientific models are used to explain and predict the behaviour of real objects or systems and are used in a variety of scientific disciplines, ranging from physics and chemistry to ecology and the Earth sciences.
Explanation:
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This is plant cell I got it from the safari hope it works and I think the other one is an animal cell try searching up the image and try looking the similar shape.
Answer:
The acceleration of object is 2 m.s⁻².
Explanation:
Given data:
Force on object = 80N
Mass of object = 40 kg
Acceleration = ?
Definition:
The acceleration is rate of change of velocity of an object with respect to time.
Formula:
a = Δv/Δt
a = acceleration
Δv = change in velocity
Δt = change in time
Units:
The unit of acceleration is m.s⁻².
Acceleration can also be determine through following formula,
F = m × a
a = F/m
Now we will put the values in formula.
a = 80 N/40 kg
a = 2 m.s⁻² (N = Kgm.s⁻² )
