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5.0(1)

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Hint

1

work done (j)

force (n) x distance (m)

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2

specific heat capacity (j/kg°c)

energy transferred (j) / mass (kg) x temperature change (°c)

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3

potential difference (v)

current (a) x resistance (ohms)

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4

power (w) (current)

current (a) x potential difference (v)

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5

power (w) (energy)

energy (j) / time (s)

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6

charge flow (c)

current (a) x time (s)

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7

energy (j)

charge (c) x potential difference (v)

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8

density (g/cm^3)

mass (g) / volume (cm^3)

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9

specific latent heat (j/kg)

energy (j) / mass (kg)

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10

pressure (pa)

force (n) / area (m^2)

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11

moment (nm)

force (n) x distance (m)

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12

gravitational potential energy (j)

mass (kg) x gravitational field strength (n/kg) x height (m)

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13

weight (n)

mass (kg) x gravitational field strength (n/kg)

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14

spring constant (n/m)

force (n) / extension (m)

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15

force (n)

mass (kg) x acceleration (m/s^2)

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16

__ = ma

f

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17

kinetic energy (j)

0.5 x mass (kg) x velocity^2 (m/s)

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18

change in velocity (Δm/s)

acceleration (m/s^2) x time (s)

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19

momentum

mass (kg) x velocity (m/s)

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20

efficiency (%)

useful energy out (j) / total energy in (j)

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21

wave speed (m/s)

frequency (Hz) x wavelength (m)

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