You are at a place on the earth's surface where the earth's magnetic field is perpendicular to the ground. The electric field is zero. If you run through this field, you will find . a magnetic field an electric field a magneto-electric field both a magnetic and an electric field. both a magnetic and a muonic field

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?