Can a vector have a zero magnitude of one of its components is nonzero

The distance between the sun and earth is about 1.5*10^11m. express this distance with an SI prefix and in kilometer

What are two ways you can increase the magnetic field of an electromagnetic?

Is this good? Its for a science test ~ The process of natural selection happens in nature when organisms slowly change overtime to adapt to their environment.

A uniform electric field is oriented in the - z direction. The magnitude of the electric field is 6500 N/C.

How do the measurements of charge at the different locations on the sphere compare to each other?

There are 2 charged particles, A and B. You know that particle A is positively charged. When you place particle B next to particle A, then particle B starts moving away from particle A. What does this mean for particle B?

The speed of light is now to be defined 2.99792458x10^8 m/s express the speed of light to three significant figures five significant figures seven significant figures

An element that is a very reactive gas is most likely a member of what group?

Describe the concept of orbital motion as it relates to the earth., moon and sun

Which statement about human behavior would john B. Watson support