Question #59573
1. Given that A=sinti + costj + tk , evaluate ∣d2A/dt^2∣
(a) 4 (b)1 (c) 3 (d) 2
3 A particle moves along the curve X = 2t^2, Y = t^2 − 4t and z = 3t − 5, where t is the time. Find the components of the velocity at t = 1 in the direction i −3j+2k
(a) 8√(14)/7
(b) −2√(14)/7
(c) 3√(14)/7
(d) −5√(14)/7
(a) 4 (b)1 (c) 3 (d) 2
3 A particle moves along the curve X = 2t^2, Y = t^2 − 4t and z = 3t − 5, where t is the time. Find the components of the velocity at t = 1 in the direction i −3j+2k
(a) 8√(14)/7
(b) −2√(14)/7
(c) 3√(14)/7
(d) −5√(14)/7
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#340153 on Dec 2023
#340153 on Dec 2023
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