A solenoid with 500 turns has a radius of 0.040 m and is 40 cm long. if this solenoid carries a current of 12 a, what is the magnitude of the magnetic field near the center of the solenoid? (? 0 = 4? * 10-7 t · m/a

Why are so many large optical telescopes located on mountaintops

For the equation 3Cu + 8HNO3 → 3Cu (NO3) 2 + 2NO + 4H2O, how many units of NO3 are represented on the products side? A) 2 B) 3 C) 6 D) 8

In which sound wave application are sound waves absorbed? - echolocation - ultrasonic cleaners - ultrasound imaging

Two technicians are discussing automatic transmission transaxles. technician a says that it is normal for a vehicle to move slightly when the gear selector is in the drive position with the brakes released.

The circumference of the Earth is approximately 40,000 km. The Earth has a magnetic field that protects it from solar particle radiation. The major element comprising the solid inner core of the Earth is iron. The Earth is approximately 4.

the line on the position time graph show the velocites of different vehicles which line represents a vehicle moving at constant velocity

Cómo se visualizan las moléculas en la ciencia y por qué necesitamos una representación visual

How many neutrons are present in an atom of iron-54? A) 26 B) 28 C) 30 D) 54

Sound waves are mechanical waves in which the particles in the medium vibrate ina direction parrallel to the direction of energy transport. What is another name of the type of wave that transfers energy in this way?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?