Evaluate the work done between point 1 and point 2 for the conservative field F.F = (y + z)i + xj + xk; P1(0, 0, 0), P2(8, 6, 4)
A. W = 0
B. W = 48
C. W = 16
D. W = 80
Answer: D
Mathematics
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Perform the indicated operations.8 + 6
A. 14
B. 20
C. 4
D. -20
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Find the indicated vector in terms of i and j.If u = -9i - 2j and v = 7i + 8j, find u + v.
A. -16i - 3j B. 16i + 6j C. -3i + 6j D. -2i + 6j
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Solve the equation.-8.4 + 3x - 6.7 + 4x - 2.2 = 5.7 + 8x + 1.2
A. {-10.4} B. {24.2} C. {10.4} D. {-24.2}
Mathematics
Convert the units using two or three unit fractions.7 hr = sec
A. 6300 B. 420 C. 12,600 D. 25,200
Mathematics