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Basic Physics > Kinematics > Flashcards

Kinematics Flashcards

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1
Q

Unit for conductivity?

A

S/m

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2
Q

What is RC curcuit?

A

an electric circuit consisting of an ohmic resistor and a capcitor.

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3
Q

Unit of electric charge (q)?

A

Coulomb (C)

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4
Q

What is the unit for capacitance?

A

Farad (F)

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5
Q

Electric dipole moment formula?

A

.p = q*d

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6
Q

Velocity

A

delta s/delta t

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7
Q

Unit for specific heat capacity

A

J/(kgK) or J/(kgC)

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8
Q

1 mmHg is the same as..

A

133 Pa

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9
Q

What is an electric field?

A

A Model for the interpretation of the electric interaction which helps to imagine how to bodies act on each other even if they are far away

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10
Q

Eigeinfrequency (Natural frequency)

A

.f=(1/2pi)*square root of (k/m)

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11
Q

What is resistivity (p)?

A

A constant, characteristic («specific») of the material of the conductor

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12
Q

Unit for electric filed strength?

A

Newton/coulomb(N/C) og volt/meter (V/m)

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13
Q

Newton´s second law

A

The acceleration of an object and the force acting on the object are proportional to each other

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14
Q

How do we calculate capacitors in series?

A

1/C = 1/C1 + 1/C2 +…

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15
Q

Energy

A

The ability of a system to perform work

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16
Q

Newton`s second law

A

When viewed in an inertial reference frame, an object either remains at rest or continues to move linearly at a constant velocity, unless acted upon by a net force

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17
Q

What kind of wave is light?

A

Transverse wave

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18
Q

What is an equipotential surface?

A

The set of all points which have the same electric potential value. Electric field lines cross equipotential surfaces at a right angle at every point og the electric field

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19
Q

Unit for resistivity?

A

Omega (UC) *m

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20
Q

Hydrostatic pressure

A

P = phg

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21
Q

Spring constant (unit)

A

N/m

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22
Q

Acceleration

A

Delta v/delta t

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23
Q

Ampere is the same as…

A

C/s

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24
Q

Hooke´s law

A

F = -k*s

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25
Q

Angular frequency

A

Omega = 2pi*f

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26
Q

What is Ohm´s law?

A

U = R*I

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27
Q

Formula for connecting resistors in parallel?

A

1/R = 1/R1 + 1/R2 +…

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28
Q

Newton`s third law

A

When object A exerts a force of F on object B, then object B exerts a force F on object B with equal magnitude but oppoite direction

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29
Q

Power

A

P = W/t

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30
Q

Joule is the same as..

A

N*m

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31
Q

What is capacitance?

A

The measure of the charge-storing ability of a capacitor which gives the charge stored in the capacitor if the voltage is 1 V

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32
Q

What is electric current?

A

The amount of charge passing through a given cross section of a conductor divided by the time elapsed

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33
Q

Force (unit)

A

Newton

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34
Q

What is the unit for electric ccurrent?

A

Ampere (A)

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35
Q

What is an electric conductor?

A

A material that contains charge carriers which can move freely

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36
Q

Voltage formula?

A

U = W/q

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37
Q

Mass-energy equivalence

A

E = m*c2

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38
Q

Unit of specific latent heat?

A

J/kg

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39
Q

1000 Kg/m3 is the same as..

A

1 g/cm3 or 1 kg/dm3

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40
Q

Heat required to change the temp of a body formula?

A

Q = cmdelta T

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41
Q

What is a longitudinal wave?

A

The direction of oscillation is parallel to the direction propagation

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42
Q

How do you convert Kelvin to Celsius?

A

-273

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43
Q

Kinetic energy

A

E(kin) = 1/2(m*v2)

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44
Q

Potential energy

A

E(pot) = mgh

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45
Q

What is an insulator?

A

A material with no freely moving charge carriers

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46
Q

Ideal gas law?

A

.pV =vRT

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47
Q

Electric field strength formula?

A

E = F/q

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48
Q

Uniform circular motion

A

Phi= omega*t

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49
Q

Force

A

F= m*a

50
Q

Definition of specific latent heat?

A

Amount of heat required to transform 1 kg of material from one phase to another

51
Q

Energy (unit)

A

Joule, electronvolt or calorie

52
Q

Unit for electric dipole moment?

A

Coulombmeter (Cm) or debye (D)

53
Q

Watt is the same as..

A

J/s

54
Q

Formula for connecting resistors in series?

A

R = R1 + R2 +…

55
Q

Unit for voltage?

A

Volt

56
Q

Linear motion with uniform acceleration

A

.v= a*t+v0

57
Q

Hertz is the same as..

A

1/s

58
Q

Power (unit)

A

Watt

59
Q

Angular velocity (unit)

A

1/s

60
Q

Newton is the same as..

A

(kg*m)/s2

61
Q

Heat capacity formula

A

C = Q/delta T

62
Q

Density (unit)

A

Kg/m3

63
Q

Formula for electric power?

A

P= U*I

64
Q

1 bar is the same as..

A

10E5 Pa

65
Q

Period (T)

A

Duration of one cycle in a repeating event

66
Q

Period (unit)

A

Second

67
Q

Ohm´s law for conductance?

A

I = G*U

68
Q

What is a transverse wave?

A

The direction of oscillation is perpendicular to the direction of propagation

69
Q

Angular frequency (unit)

A

1/s

70
Q

Coulomb`s law?

A

F = k(q1q2)/r squared

71
Q

Velocity of propagation?

A

.c=lambda*f

72
Q

Farad is the same as…

A

C/V

73
Q

Pressure

A

.p= F/A

74
Q

Elementary charge?

A

1,6 E-19 C

75
Q

Formula for Joule heating?

A

W = UIt

76
Q

What is the formula for electric current?

A

I = delta q/delta t

77
Q

Pressure (unit)

A

Pascal

78
Q

Electric conductance formula?

A

G = 1/R

79
Q

How do we calculate capacitors connected in parallel?

A

C = C1+C2+…

80
Q

What is Inhomogenous electric field?

A

May have different strengths and direction in different points.

81
Q

What is a homogenous electric field?

A

The force acting on the positive test charge has the same strength and direction at each point. They are parallel and density is uniform

82
Q

Volt is the same as…

A

J/C

83
Q

If more forces act on the object at the same time

A

Sum forces = m*a

84
Q

Harmonic oscillation

A

.y=Asin(omegat*phase)

85
Q

What is Snell`s law?

A

(Sin alfa/sin beta) = c1/c2

86
Q

Specific latent heat formula?

A

L = Q/m

87
Q

Density

A

.p = m/V

88
Q

Specific conductance or conductivity formula?

A

sigma (LC) = 1/p

89
Q

Average velocity

A

(V0+v)/2

90
Q

Pascal is the same as..

A

N/m2

91
Q

Velocity unit

A

.m/s

92
Q

Formula for the capicitive reactance?

A

Xc = 1/(omega*C)

93
Q

Calorie —> Joule

A

4,19

94
Q

What is the formula for resistance of a conductor?

A

R = p*(l/A)

95
Q

Specific heat capacity formula?

A

.c= C/m

96
Q

Frequency

A

1/T

97
Q

Capacitance formula?

A

C = q/U

98
Q

What is an electric dipole?

A

Two charges of equal magnitude but opposite sign (+q and -q) at a given distance

99
Q

Work (unit)

A

Joule

100
Q

Electronvolt —> Joule

A

1,6*10E-19

101
Q

What is the formula for energy stored in the capacitor?

A

W = 0,5 CU squared

102
Q

Work

A

W = F*s

103
Q

Distance

A

S=v*t

104
Q

Capacitor formula?

A

U = E*d

105
Q

Conservation of energy

A

E(kin)+E(pot)+E(elastic) = constant

106
Q

What is a capacitor?

A

An electric component that is capable of storing electric charge and energy as well as creating homogenous electric field

107
Q

Distance traveled during a time interval

A

.s= (average)v*t

108
Q

Angular velocity

A

Omega = delta phi/delta t

109
Q

Joule heating with Ohm´s law?

A

W = (Usqaured/R)*t

110
Q

Ohm is the same as…

A

V/A

111
Q

Acceleration (unit)

A

.m/s2

112
Q

Unit of conductance?

A

Siemens (S)

113
Q

Elastic potential energy

A

E(elastic) = 1/2(ks2)

114
Q

Unit of heat capacity?

A

J/K

115
Q

What is the unit for Ohm´s law?

A

Ohm (omega upper case)

116
Q

How do you convert celsius to kelvin?

A

+273

117
Q

Number of particles formula?

A

N = v*Na

118
Q

What kind of wave is sound waves?

A

Longitudinal waves

119
Q

What is electric current?

A

The collective motion of particles carrying electric charge

120
Q

1 atm is the same as..

A

1,01E5 Pa

121
Q

Electric power formula?

A

P= U*I

Basic Physics (13 decks)

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