1 which the following insturment doen not make oscillation movement ?
a)spring
b)pendulum
c)turning fork
d)wheel barrow
2 number of osillations in one second is known as
a)amplitude
b)wave length
c)frequency
d)period
3 frequency is the reciprocal of the
a)wave length
b)amplitude
c)period
d)speed
4 what is the period of spring that makes 20 oscillations at 5 seconds ?
a)0.5 second
b)4 second
c)0.25 second
d)none of the above
Answers: 3
Physics, 22.06.2019 16:40, ashleypere99
Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel
Answers: 3
Physics, 22.06.2019 16:50, justkevin1231
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
1 which the following insturment doen not make oscillation movement ?
a)spring
b)pendulum<...
a)spring
b)pendulum<...
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