Basic Math

Question 1

1 gal of water –> lbf

Answer 1

1 gal water = 8.34 lbf

Question 2

1 ft3 of water –> lbf

Answer 2

1 ft3 of water = 62.4 lbf

Question 3

1 in3 of mercury –> lbf

Answer 3

1 in3 of mercury = 0.491 lbf

Question 4

Parabola vs Ellipse vs Hyperbola

Answer 4

Parabola: B2-4ac = 0
Ellipse: B2-4ac < 0
Hyperbola: B2-4ac > 0

Question 5

Vector Magnitude Equation

Answer 5

A = sqrt (x2 + y2 + z2)

Question 6

Vector Dot Product

Answer 6

Mag(A)*Mag(B)cos()

Question 7

1 ton –> kg

Answer 7

1 ton = 1000 kg

Question 8

1 ton –> lbf

Answer 8

1 ton = 2000 lbf