1,296.
A.
2.53 x 104ms-1
B.
1.13 x 104ms
C.
8.00 x 103ms-1
D.
4.23 x 103ms-1
E.
6.41 x 104ms-1
Correct answer is B
V = √2gR
V = √2 x 10 x 6.4 x 102
1.13 x 104ms
1,297.
A.
20.0kg ms-1
B.
10.0kg ms-1
C.
5.0kg ms-1
D.
1.3kg ms-1
E.
0.0kg ms-1.
Correct answer is A
Impulse = Ft = mu - (-mu)
= mu + mu = 2mu = 2 x 5 x 2 = 20kgms-1
1,298.
A.
50m
B.
65m
C.
175m
D.
225m
E.
300m
Correct answer is D
Distance of A = 1/2 x (10 + 20) x 5
= 1/2 x 30 x 5 = 75m. Distance of B = 20 x 5 = 100m
Distance of C = 1/2 x 5 x 20 = 50/225
∴ Total distance is 225m
1,299.
A.
Circular
B.
Rotational
C.
Random
D.
Oscillatory
E.
Translational
Correct answer is D
No explanation has been provided for this answer.
1,300.
A.
3.72mm
B.
3.50mm
C.
3.30mm
D.
3.28mm
E.
3.22mm
Correct answer is E
No explanation has been provided for this answer.
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