A Nichrome wire of resistivity ρ=1.5×10-6 Ω.m, length 38.5 m and radius 0.32 mm. Find its resistance.

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

Atomic nuclei of almost all elements consist of

If a rock is thrown upward on the planet mars with a velocity of 10 mys, its height in meters t seconds later is given by y − 10t 2 1.86t 2 . (a) find the average velocity over the given time intervals: (i) [1, 2] (ii) [1, 1.5] (iii) [1, 1.1] (iv) [1, 1.01] (v) [1, 1.001] (b) estimate the instantaneous velocity when t − 1.