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help anyone?View attachment 19180
Because as the distance increase from the ground there is more time for gravitational acceleration to act upon bricks hence increasing their speeds more and more that's why the time interval will be decreasing.A building has 5 floors. The windows on successive floors are separated by the same
vertical distance. A brick is dropped from a window on each floor at the same time.
The bricks should hit the ground at
A decreasing time intervals
B equal time intervals
C increasing time intervals
D the same time
Why is the answer A?
ans to your part one is in the diagram hope the second one will be easier for you after thisPlease help me with the question below.. I don't understand how to solve vector questions!
A ship is pulled at a constant speed by two boats A and B, as shown in the diagram. The engine of the ship does not produce any force.
The tension in each cable between A and B and the ship is 4000N.
(i) Draw a free body diagram showing the three horizontal forces acting on the ship.
(ii) Draw a vector diagram to scale showing these three forces and use your diagram to find the value of the drag force on the ship.
Could anyone please spare some time and draw the needful diagrams?
Thanks
Thanks a lot for your help.. I figured this out before.ans to your part one is in the diagram hope the second one will be easier for you after this
(ii) Draw a vector diagram to scale showing these three forces and use your diagram to find the value of the drag force on the ship.whats with part (ii)?
do you have any values for forces?(ii) Draw a vector diagram to scale showing these three forces and use your diagram to find the value of the drag force on the ship.
Yeah.. as it is said in the question:do you have any values for forces?
I get your point partially.. will be waiting for the diagram.You can decompose the two forces in components add the resultants in x direction and it will be equal to frictional force since the speed is constant......
hope u can understand the logic
i'm a bit busy now InshAllah I will upload the diagram of it ASAP.....
I think there is some information missing about the question can you please post the link of the past paper also post the question numbers........
A skier of mass 75 kg accelerates from rest down the slope as shown in the diagram. At the bottom of the slope, he is travelling at 40 m/s.
What is the average force opposing his motion down the slope?
Please help me solve the question..
Thanks
duhhh! i know but its final minus initial so the answer choice b and d are weird . A and c are wrong cuz they don't consider change in time. p2 is negative so the answer should be minus p2 minus p1 over change in time.... Can u answer my other mcqs as well
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