The diagram shows the electric field around two charged
objects.
what is the best conclusion about the charges that can be
made based on the diagram?
a. y is negative, and z is positive.
b. y is negative, and z is negative.
c. y and z are like charges, but their identities cannot be
determined.
d. y and z are opposite charges, but their identities cannot
be determined.

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island