Answer:
the element that takes part in a chemical reactions
there are usually two or more reactants in chemical reactions
except decomposition reactions
Let the initial velocity of the car be u.
Final velocity of the car (v) = 5.43 m/s
deceleration (a) = - 2.78 m/s^2
Time taken (t) = 2.26 s
Using the first equation of motion:
v = u + at
u = v - at

u = 5.43 + 6.28
u = 11.71 m/s
Let the car's displacement be x.
Using second equation of motion:


x = 26.4646 - 7.0995
x = 19.3651 meters
Hence, the displacement of the car is 19.36 meters
<span>A phase change is an example of a
Physial change</span>
d. The amount of work will increase.
Explanation:
If the distance traveled is increased and other factors are kept constant, then the amount of work done will increase.
- For is a product of force and distance.
Work done = Force x distance
- This shows that force and distance are directly related to work done.
- A change in any of the two product will change the value of work done.
- The unit of work done is Joules
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