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

2. Power of a lens
The impedence is given by Z=v( R^2+(?L-1/?C)^2). When ?=?r= 1/vLC - ?L=?C
P=1/f
F(delta)t=change in motion resulting in the application of a force for a given amount of time
6.67x10^-11 N m^2/kg^2

3. Kinematics Equations
9.8 m/s^2
Tesla
Vf = v0 + at - d = d0+ v0t + 1/2at^2 - vf^2=v0^2+2ad - d=(vf+v0)t/2
E=kq1/r^2

4. Capacitance
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage
6.67x10^-11 N m^2/kg^2
F=kx; k=spring constant - x = displacement
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

5. Potential energy of two charges
C=3.08x10^8 m/s
PE=kq1q2/r
F(delta)t=change in motion resulting in the application of a force for a given amount of time
E=kq1/r^2

6. Momentum
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
9.8 m/s^2
P=mv
E=1/2mv^2

7. Circular Acceleration
Sin(theta1)/sin(theta2)=v1/v2=n1/n2
V=IR; v = voltage; I = current in amperes (coulombs/sec); R = resistance in Ohms
The impedence is given by Z=v( R^2+(?L-1/?C)^2). When ?=?r= 1/vLC - ?L=?C
A = v^2/r =Fc/m

8. Hooke's Law
P=mv
Fg=Gm1m2/r^2
F=kx; k=spring constant - x = displacement
P=1/f

9. Electric Field
E=1/2mv^2
V=f*wavelength
Fq=kq1q2/r^2
E=kq1/r^2

10. Wave characteristics
Graph Hooke's law; area under graph= work = 1/2kx^2
V=f*wavelength
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

11. Power
6.67x10^-11 N m^2/kg^2
Sin(theta1)/sin(theta2)=v1/v2=n1/n2
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
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

12. k (Coulomb's Law)
V=IR; v = voltage; I = current in amperes (coulombs/sec); R = resistance in Ohms
Fc = mv^2/r
9x10^9 N m^2/coul^2
V=f*wavelength

13. Force on a moving charge in a magnetic field
Fg=Gm1m2/r^2
Sin(theta1)/sin(theta2)=v1/v2=n1/n2
E=1/2mv^2
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

14. Work
Tesla
F=kx; k=spring constant - x = displacement
V=IR; v = voltage; I = current in amperes (coulombs/sec); R = resistance in Ohms
W=Fd; W=mgh

15. g
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
9.8 m/s^2
9x10^9 N m^2/coul^2
A = v^2/r =Fc/m

16. Unit of magnetism
Tesla
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
9.8 m/s^2
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage

17. G (gravitational force)
A = v^2/r =Fc/m
6.67x10^-11 N m^2/kg^2
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage
Sin(theta1)/sin(theta2)=v1/v2=n1/n2

18. Snell's Law
Sin(theta1)/sin(theta2)=v1/v2=n1/n2
Fg=Gm1m2/r^2
F(delta)t=change in motion resulting in the application of a force for a given amount of time
E=1/2CV^2; C = capacitance; V = voltage

19. Coulomb's Law
Fq=kq1q2/r^2
W=Fd; W=mgh
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)

20. Centripetal Force
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
F(delta)t=change in motion resulting in the application of a force for a given amount of time
E=kq1/r^2
Fc = mv^2/r

21. Impulse
9.8 m/s^2
9x10^9 N m^2/coul^2
E=1/2mv^2
F(delta)t=change in motion resulting in the application of a force for a given amount of time

22. Energy stored in a capacitor
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
E=1/2CV^2; C = capacitance; V = voltage
E=1/2mv^2
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage

23. Doppler Effect
Fg=Gm1m2/r^2
W=Fd; W=mgh
F=qE; q is the charge - E is the electric field
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

24. Gravitational Force
Tesla
E=kq1/r^2
Fq=kq1q2/r^2
Fg=Gm1m2/r^2

25. Speed of light
Fq=kq1q2/r^2
W=Fd; W=mgh
C=3.08x10^8 m/s
F=kx; k=spring constant - x = displacement

26. Work done by spring displacement

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27. Kinetic Energy
Fq=kq1q2/r^2
E=1/2mv^2
V=f*wavelength
P=mv

28. Force on a charged particle in an electric field
P=1/f
Fq=kq1q2/r^2
E=1/2mv^2
F=qE; q is the charge - E is the electric field

29. Ohm's Law
PE=kq1q2/r
E=1/2mv^2
Fq=kq1q2/r^2
V=IR; v = voltage; I = current in amperes (coulombs/sec); R = resistance in Ohms