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CSET Science: Constants And Equations

Subjects : cset, science

Instructions:

Answer 29 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Wave characteristics
Fg=Gm1m2/r^2
P=mv
V=f*wavelength
F=(v+vr)/(v+vs)f0; v = velocity of wave in the medium ; vr = velocity of the receiver relative to the medium -- positive if moving toward the source; vs = velocity of the source relative to the medium -- positive if moving away from the receiver

2. Snell's Law
Sin(theta1)/sin(theta2)=v1/v2=n1/n2
V=IR; v = voltage; I = current in amperes (coulombs/sec); R = resistance in Ohms
F=qE; q is the charge - E is the electric field
Graph Hooke's law; area under graph= work = 1/2kx^2

3. Hooke's Law
V=f*wavelength
F=kx; k=spring constant - x = displacement
Sin(theta1)/sin(theta2)=v1/v2=n1/n2
Tesla

4. Power
9x10^9 N m^2/coul^2
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
F(delta)t=change in motion resulting in the application of a force for a given amount of time
E=kq1/r^2

5. Impedence
6.67x10^-11 N m^2/kg^2
The impedence is given by Z=v( R^2+(?L-1/?C)^2). When ?=?r= 1/vLC - ?L=?C
F=kx; k=spring constant - x = displacement
Sin(theta1)/sin(theta2)=v1/v2=n1/n2

6. g
F=(v+vr)/(v+vs)f0; v = velocity of wave in the medium ; vr = velocity of the receiver relative to the medium -- positive if moving toward the source; vs = velocity of the source relative to the medium -- positive if moving away from the receiver
E=1/2mv^2
9.8 m/s^2
V=f*wavelength

7. Electric Field
Fg=Gm1m2/r^2
F=kx; k=spring constant - x = displacement
E=kq1/r^2
W=Fd; W=mgh

8. Momentum
E=1/2CV^2; C = capacitance; V = voltage
E=kq1/r^2
6.67x10^-11 N m^2/kg^2
P=mv

9. Kinetic Energy
E=kq1/r^2
F=qE; q is the charge - E is the electric field
Fc = mv^2/r
E=1/2mv^2

10. Kinematics Equations
F(delta)t=change in motion resulting in the application of a force for a given amount of time
Fg=Gm1m2/r^2
F=kx; k=spring constant - x = displacement
Vf = v0 + at - d = d0+ v0t + 1/2at^2 - vf^2=v0^2+2ad - d=(vf+v0)t/2

11. Potential energy of two charges
F=qvBsin(a); q = charge (in coulombs); v = velocity of the charge; B = magnetic field; a = angle between the direction of the motion of the charged particle and the direction of the magnetic field
F(delta)t=change in motion resulting in the application of a force for a given amount of time
PE=kq1q2/r
Fg=Gm1m2/r^2

12. Impulse
P=1/f
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage
P=mv
F(delta)t=change in motion resulting in the application of a force for a given amount of time

13. Work done by spring displacement

14. Force on a charged particle in an electric field
PE=kq1q2/r
F=qE; q is the charge - E is the electric field
A = v^2/r =Fc/m
F(delta)t=change in motion resulting in the application of a force for a given amount of time

15. Power of a lens
Tesla
Fq=kq1q2/r^2
E=1/2CV^2; C = capacitance; V = voltage
P=1/f

16. Gravitational Force
P=1/f
Vf = v0 + at - d = d0+ v0t + 1/2at^2 - vf^2=v0^2+2ad - d=(vf+v0)t/2
Fg=Gm1m2/r^2
W=Fd; W=mgh

17. Coulomb's Law
Graph Hooke's law; area under graph= work = 1/2kx^2
F=kx; k=spring constant - x = displacement
9.8 m/s^2
Fq=kq1q2/r^2

18. Energy stored in a capacitor
E=1/2CV^2; C = capacitance; V = voltage
Vf = v0 + at - d = d0+ v0t + 1/2at^2 - vf^2=v0^2+2ad - d=(vf+v0)t/2
Graph Hooke's law; area under graph= work = 1/2kx^2
PE=kq1q2/r

19. G (gravitational force)
F=kx; k=spring constant - x = displacement
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
Graph Hooke's law; area under graph= work = 1/2kx^2
6.67x10^-11 N m^2/kg^2

20. Work
W=Fd; W=mgh
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
Graph Hooke's law; area under graph= work = 1/2kx^2
Fc = mv^2/r

21. k (Coulomb's Law)
F=(v+vr)/(v+vs)f0; v = velocity of wave in the medium ; vr = velocity of the receiver relative to the medium -- positive if moving toward the source; vs = velocity of the source relative to the medium -- positive if moving away from the receiver
9x10^9 N m^2/coul^2
The impedence is given by Z=v( R^2+(?L-1/?C)^2). When ?=?r= 1/vLC - ?L=?C
Graph Hooke's law; area under graph= work = 1/2kx^2

22. Unit of magnetism
Fg=Gm1m2/r^2
E=1/2mv^2
Tesla
A = v^2/r =Fc/m

23. Capacitance
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
Fc = mv^2/r
6.67x10^-11 N m^2/kg^2

24. Force on a moving charge in a magnetic field
E=1/2CV^2; C = capacitance; V = voltage
C=3.08x10^8 m/s
F=qvBsin(a); q = charge (in coulombs); v = velocity of the charge; B = magnetic field; a = angle between the direction of the motion of the charged particle and the direction of the magnetic field
F=kx; k=spring constant - x = displacement

25. Centripetal Force
Fc = mv^2/r
E=1/2CV^2; C = capacitance; V = voltage
W=Fd; W=mgh
C=3.08x10^8 m/s

26. Doppler Effect
Vf = v0 + at - d = d0+ v0t + 1/2at^2 - vf^2=v0^2+2ad - d=(vf+v0)t/2
F=(v+vr)/(v+vs)f0; v = velocity of wave in the medium ; vr = velocity of the receiver relative to the medium -- positive if moving toward the source; vs = velocity of the source relative to the medium -- positive if moving away from the receiver
Fc = mv^2/r
9.8 m/s^2

27. Speed of light
C=3.08x10^8 m/s
Fq=kq1q2/r^2
A = v^2/r =Fc/m
E=1/2mv^2

28. Ohm's Law
Fg=Gm1m2/r^2
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
V=IR; v = voltage; I = current in amperes (coulombs/sec); R = resistance in Ohms
E=1/2mv^2

29. Circular Acceleration
V=f*wavelength
A = v^2/r =Fc/m
9x10^9 N m^2/coul^2
Sin(theta1)/sin(theta2)=v1/v2=n1/n2