a cylindrical copper rod has resistance r its reformed to half its original length what is its new resistance

You pull a force of 255 N on a piece of luggage of mass 68 kg but does not move the coefficient of friction between the luggage in the floor is. 7 what is the force of static friction acting on the luggage

True or false mechanical waves need a medium through which to transport energy

Diffraction and interference demonstrate which concept? A) particle nature of light B) wave nature of light C) polarization of light D) refraction of light

How does the octet rule influence Lewis dot structures?

The power in a circuit is 2W and the voltage is 20VDC. Whats the curcuit current?

Density is calculated by dividing

The one island species evolved into three different species. This is called?

Find the components of vector M shown in figure 5-7

Electrical current is actually made of a. static charges. b. moving electrons. c. high or low voltage. d. resistance within a circuit.

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration