20 equations

Question 1

Coefficient of Friction in terms of Ff

Answer 1

μ = Ff/FN

Question 2

Momentum

Answer 2

P = mv

Question 3

Impulse

Answer 3

I = delta p

Question 4

Impulse #2

Answer 4

I = F(delta t)

Question 5

Mechanical Power #1

Answer 5

P = Fv

Question 6

Mechanical Power #2

Answer 6

P = W/t

Question 7

Work #1

Answer 7

W = Fd

Question 8

Work #2

Answer 8

W = delta KE

Question 9

Period of a mass on a spring

Answer 9

T = 2π√(m/k)

Question 10

Kinematic #1 (no displacement)

Answer 10

vf = v0 + at

Question 11

Kinematic #2 displacement

Answer 11

xf- x0 = v0t + 1/2at^2

Question 12

kinematic #3

Answer 12

v^2 = v0^2 + 2aΔx

Question 13

Centripetal Acceleration

Answer 13

ac = v^2/r

Question 14

Kinetic Energy

Answer 14

KE = 1/2mv^2

Question 15

Gravitational Force one one planet on another

Answer 15

Fg = Gm1m2/ r^2

Question 16

Ohm’s Law

Answer 16

V = IR

Question 17

Power in a circuit

Answer 17

P = IV (I = current, V = voltage)

Question 18

Magnetic Force on a charge

Answer 18

F=qvBsinθ

Question 19

Electric force on a wire

Answer 19

F=ILBsinθ

Question 20

Electric force on a charge

Answer 20

F = qE

Question 21

Electric potential energy

Answer 21

U = qV

Question 22

Magnetic field around a long straight current carrying wire

Answer 22

B=μ0I/(2πr)

Question 23

Time Constant for an RC circuit

Answer 23

τ = R x C

Question 24

Resistance of a wire in terms of its dimensions

Answer 24

R = ρ L / A

Question 25

Electric field due to a pint charge

Answer 25

E = kQ/r^2