4. Three identical springs A, B and C of negligible weight are arranged as shown the figure below. A
معمموهم
6
If C stretches by 3cm and bar xy is assumed to be weightless. Determine
(i) the spring constant.
(2mk
(2ml
(ii) the extension in A.

Which material produces static charge when rubbed?

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules