(i) What is the Rotational Analogue of linear momentum? (ii) Calculate the magnitude of the rotational analogue of the linear momentum p = (4î + 6j + 8k )kgm/s at the point ř = (-7î + 2î + 4k )m. %D
(i) What is the Rotational Analogue of linear momentum? (ii) Calculate the magnitude of the rotational analogue of the linear momentum p = (4î + 6j + 8k )kgm/s at the point ř = (-7î + 2î + 4k )m. %D
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Transcribed Image Text:Q5(a) (i) What is the Rotational Analogue of linear momentum?
(ii) Calculate the magnitude of the rotational analogue of the linear
momentum
p = (4î + 6j + 8k )kgm/s
at
the
point
* = (-7î + 2î + 4k )m.
(b) The velocity of
an object is
characterized by the equation
v=5.1t? + 9.5t + 2; where t is measured in seconds and v is measured
in m/s. Find the
(i) Acceleration of the object at 4 seconds
(ii) Acceleration between 5 seconds and 7 seconds.
(c) (i) A force of 69N acts for 12 seconds on a mass of 30kg. Calculate
the Change in Linear Momentum.
(ii) What will happen to the linear momentum if the velocity of the
object changes to
1th
of its initial value?
4
(d) Explain the differences between Conduction and Convection.
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