1,516.
The diagram above represents a portion of a micrometer screw 20 gauge. What is its reading?
A.
3.70mm
B.
3.67mm
C.
3.50mm
D.
3.33mm
E.
3.17mm
Correct answer is E
No explanation has been provided for this answer.
1,517.
A.
40√3N
B.
60N
C.
120N
D.
200N
E.
240N
Correct answer is C
E = M.A/V.R ; 50/100 = M.A/2
M.A = 1; L/E = 1
E = L = 120N
1,518.
A.
I,II and III only
B.
I, II and IV only
C.
I, III and IV only
D.
II, III and IV only
E.
l and IV only.
Correct answer is B
No explanation has been provided for this answer.
1,519.
A.
5.0m
B.
2.0m
C.
0.4m
D.
0.2m
E.
0.1m
Correct answer is D
Kinetic energy at O = P.E at P 1/2mV = mgh
h = v/2g = 0.2m
1,520.
A.
6.25 x 10-14N
B.
1.60 x10-13N
C.
5.00 x 10N
D.
1.00x102N
E.
2.00x1O2N
Correct answer is D
F = ma = 2.5 x 10-6 x 4 x 107 = 100N
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