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Questions (8)

(Q1) A 50kg boy suspends himself from a point on a rope tied horizontally between 2 vertical poles. the 2 secments of the rope
1. 0 answers
2. 574 views
(Q1)How much work is done when a bucket of mass 1.5kg with 10g of water in it is pulled up from the bottom of a well 8m deep?
1. 3 answers
2. 716 views
(Q1)A 40N force applied at an angle of 37c above the horizontal pulls a 5kg box on a horizontal floor. The acceleration of the
1. 1 answer
2. 630 views
(Q1)What is the orbital radius and speed of a synchronous satellite which orbits the earth once every 24h? Take
1. 1 answer
2. 532 views
(Q1)At what altitude above the earth's surface would the acceleration due to gravity be 4.9m/s-2?Assuming the mean radius of the
1. 2 answers
2. 1,402 views
(Q1)determine the quantity of heatconducted in 30min through an iron plate2.0cm thick and 0.10m2 in area if the temperature of
1. 1 answer
2. 1,674 views
a 0.5kg piece of metal (c=600j/kg/k) at 300c is dumped into a large pool of water at 20c. assuming the change in temperature of
1. 1 answer
2. 625 views
if a force of 80N extends a spring of natural length 8m by 0.4m what will be the length of the spring when the applied force
1. 1 answer
2. 437 views

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