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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. Electric Field
P=mv
Fg=Gm1m2/r^2
W=Fd; W=mgh
E=kq1/r^2

2. Impedence
The impedence is given by Z=v( R^2+(?L-1/?C)^2). When ?=?r= 1/vLC - ?L=?C
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
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage
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

3. G (gravitational force)
Sin(theta1)/sin(theta2)=v1/v2=n1/n2
C=3.08x10^8 m/s
6.67x10^-11 N m^2/kg^2
F(delta)t=change in motion resulting in the application of a force for a given amount of time

4. Potential energy of two charges
PE=kq1q2/r
9x10^9 N m^2/coul^2
V=IR; v = voltage; I = current in amperes (coulombs/sec); R = resistance in Ohms
Fq=kq1q2/r^2

5. Gravitational Force
9.8 m/s^2
Fg=Gm1m2/r^2
E=1/2CV^2; C = capacitance; V = voltage
6.67x10^-11 N m^2/kg^2

6. Speed of light
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
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
C=3.08x10^8 m/s

7. Power
F(delta)t=change in motion resulting in the application of a force for a given amount of time
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
Fc = mv^2/r
Graph Hooke's law; area under graph= work = 1/2kx^2

8. Work done by spring displacement

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9. Kinematics Equations
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
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
6.67x10^-11 N m^2/kg^2

10. Kinetic Energy
E=1/2mv^2
6.67x10^-11 N m^2/kg^2
W=Fd; W=mgh
Sin(theta1)/sin(theta2)=v1/v2=n1/n2

11. Capacitance
E=1/2mv^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
C=3.08x10^8 m/s
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage

12. Ohm's Law
F(delta)t=change in motion resulting in the application of a force for a given amount of time
V=IR; v = voltage; I = current in amperes (coulombs/sec); R = resistance in Ohms
Tesla
C=3.08x10^8 m/s

13. Circular Acceleration
P=mv
E=1/2mv^2
A = v^2/r =Fc/m
9.8 m/s^2

14. Doppler Effect
Vf = v0 + at - d = d0+ v0t + 1/2at^2 - vf^2=v0^2+2ad - d=(vf+v0)t/2
P=mv
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
6.67x10^-11 N m^2/kg^2

15. Hooke's Law
F=kx; k=spring constant - x = displacement
Graph Hooke's law; area under graph= work = 1/2kx^2
W=Fd; W=mgh
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage

16. g
9.8 m/s^2
6.67x10^-11 N m^2/kg^2
P=mv
9x10^9 N m^2/coul^2

17. Coulomb's Law
V=f*wavelength
Graph Hooke's law; area under graph= work = 1/2kx^2
Fq=kq1q2/r^2
E=kq1/r^2

18. Energy stored in a capacitor
E=1/2CV^2; C = capacitance; V = voltage
A = v^2/r =Fc/m
P=mv
W=Fd; W=mgh

19. Wave characteristics
P=mv
F=qE; q is the charge - E is the electric field
V=f*wavelength
E=1/2mv^2

20. Centripetal Force
C=3.08x10^8 m/s
Fc = mv^2/r
P=IV = I^2R = V^2/R; P = power in watts (joule/sec)
Fg=Gm1m2/r^2

21. Work
E=1/2CV^2; C = capacitance; V = voltage
W=Fd; W=mgh
9x10^9 N m^2/coul^2
Fc = mv^2/r

22. Impulse
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
E=1/2mv^2
P=mv

23. k (Coulomb's Law)
9x10^9 N m^2/coul^2
P=1/f
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

24. 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
Tesla
P=mv

25. Force on a moving charge in a magnetic field
The impedence is given by Z=v( R^2+(?L-1/?C)^2). When ?=?r= 1/vLC - ?L=?C
6.67x10^-11 N m^2/kg^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
E=kq1/r^2

26. Force on a charged particle in an electric field
F=qE; q is the charge - E is the electric field
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
Fg=Gm1m2/r^2

27. Unit of magnetism
9.8 m/s^2
V=f*wavelength
F(delta)t=change in motion resulting in the application of a force for a given amount of time
Tesla

28. Power of a lens
F=qE; q is the charge - E is the electric field
P=1/f
Tesla
E=1/2mv^2

29. Snell's Law
Sin(theta1)/sin(theta2)=v1/v2=n1/n2
Q=CV; Q = charge in coulombs; C = capacitance in farads; V = voltage
PE=kq1q2/r
Graph Hooke's law; area under graph= work = 1/2kx^2