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Nov
28
answered How does this spool have an angular acceleration opposite to its acceleration?
Nov
21
answered Can acoustic waves travel through human body?
Nov
6
answered If heat is energy, then why does cooling take energy when it should actually give energy?
Oct
12
answered The role of mass in the tablecloth trick
Oct
12
answered What instrument should I use to vary the power given to a heating element?
Oct
4
answered Piezoelectric water flow detection
Sep
26
answered How does voltage divided by EMF show efficiency?
Aug
16
answered Is it possible to calculate the dimensions of ANY object in a picture having at some known distance an object on know dimensions?
Jul
18
answered Why it is colder in mountains, at high altitudes?
Jul
5
answered Will the current flow from the battery?
Jun
22
answered Would a linear relationship between pump speed and the flow rate from the pump be expected?
Jun
13
answered Please give your valuable opinion in this capacitor problem!
May
30
answered Which of the following has higher resistance - milliammeter or ammeter?
May
12
answered Gravitational force in a building
May
3
answered Electric field or static electric field around a plugged-in lamp cord (when lamp is not turned on)?
Apr
13
answered Earth curvature refraction for dummies
Apr
2
answered What exactly is fire?
Feb
26
answered Why is my breath hot when i open my mouth all the way, but cold if I blow like a whistle?
Feb
23
answered Predicting Polarity of capacitor in the given diagram
Feb
22
answered Can an object appropriately isolated from its surroundings become colder than its surroundings?