Physics, 10.06.2020 14:57 cheyennemitchel238
A mass of 0.4 kg is rotated by a string at a constant speed v in a vertical of radius 1m. if the
minimum tension of the string is 3N. calculate
(i). velocity
(ii). The maximum tension
(III). The
tension when the string just horizontal
Answers: 3
Physics, 21.06.2019 18:00
This question is worth 54 points ! rock falls from a ledge to the ground what energy conversion occurs during this process a potential to kinetic b kinetic to potential c thermal to mechanical d chemical to mechanical
Answers: 2
Physics, 22.06.2019 19:50
Aleaky 10-kg bucket is lifted from the ground to a height of 15 m at a constant speed with a rope that weighs 0.7 kg/m. initially the bucket contains 45 kg of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the 15-m level. find the work done. (use 9.8 m/s2 for g.) show how to approximate the required work by a riemann sum. (let x be the height in meters above the ground. enter xi* as xi.) lim n → ∞ n (9.8)(45−3 xi) i = 1 δx express the work as an integral. 0 dx evaluate the integral. (round your answer to the nearest integer.) j
Answers: 3
A mass of 0.4 kg is rotated by a string at a constant speed v in a vertical of radius 1m. if the
mi...
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