Is resistance greater or lesser in a hotter wire?

A constant power is supplied to a rotating disc. the relationship of angular velocity of disc and number of rotations made by the disc is governed by

How do the forces in nuclear and chemical reactions differ? A. Both reactions only need to overcome weak electrostatic forces. B. Chemical reactions must overcome the strong nuclear force. C. Nuclear reactions must overcome much stronger forces. D.

Change. 5. Fiat money: A. is currency from Italy, B. can include currency backed by gold, but not silver. is currency backed by the gold in Fort Knox, D. has no inherent value, but has advantages relating to money creation. E.

In a physics laboratory experiment, a coil with 200 turns enclosing an area of 11.8 cm^2 is rotated during the time interval 4.

Temperature and silica content determine the of magma.

A body of mass 20kg is set in motion by two forces 3N and 4N acting at right angles to each other, determine the magnitude of the acceleration

Gerry and Lena work in a modern physics laboratory and study nanotechnology, which is a new type of technology that allows control over individual particles as small as molecules or atoms.

What can you do to reduce the electric uses within your home?

What is the scientific name given to potato

A car at the indianapolis-500 accelerates uniformly from the pit area, going from rest to 335 km/h in a semicircular arc with a radius of 194 m.