A 2500 kg truck moving at 10.00 m/s strikes a car of mass 1000 kg waiting at a traffic light, hooking bumpers. The two continue to move together at a velocity of

4.0 m/s

7.1 m/s

10 m/s

12 m/s

What type of collision is this?

elastic

inelastic

Perfectly elastic

perfectly inelastic

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?