Answer:
Please check the explanation
Explanation:
The best two methods will be:
Factor by grouping
Factor by grouping deals with establishing a smaller groups from each term.
Therefore, the expression becomes
Now factor out the greatest common factor (GCF) which is 2
Factor out the GCF
Given the expression
factor out common term 2
∵ 
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Answer:
57500 Joules
Explanation:
Work done = Force × Distance
Joules = Newtons × Metres
Substitute the values in from a force of 575 N moves a shopping trolley 100 m.
Joules = 575 × 100
Joules = 57500
P=M*v
1000*10= 10,000
The momentum of the car is 10,000
Answer:
b) G.P.E = Mgh
300j = M x 10 m/s² x 15 m
300 j/ 10 m/s² x 15 m = M
300j/ 150 s² = M
2kg = M
c) K.E = 1/2 m v²
K.E = 1/2 (50) (50)²
K.E = 1/2 (50) (2500)
K.E= 125000/2
K.E = 625 000 J
