Solve the problem.The force F (in N) acting on an object is given by F = 12 dv/dt + 2v + 4, where v is the velocity (in m/s) and t is the time 
If the displacement is given by s = 20t0.4, find F for t = 4.3 s.
A. 20.0 N
B. 5.09 N
C. 33.9 N
D. 15.1 N
Answer: B
Mathematics
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Give an appropriate answer.Let
f(x) = 4. Find
(-5)f(x).
A. 4 B. -3125 C. 625 D. -5
Mathematics
Find the pair of numbers whose product and sum are given.Product: 160 Sum: -28
A. -20 and -8 B. 20 and 8 C. -20 and 8 D. 20 and -8
Mathematics
Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.(-
+ i)6
A. 64i
B. -64
+ 64i
C. -64
D. 64 - 64i
Mathematics
Solve the equation.4(y + 8) = 5(y - 7)
A. {-67} B. {-3} C. {3} D. {67}
Mathematics