38*10=380 N
To be more exact, 38 should be multiplied by 9.8 instead of 10.
Answer:
c
Explanation:
cuz its informing the length of 5 and weight on 20N
Answer:
In a longitudinal wave, particles of the medium vibrate in a direction that is parallel to the direction that the wave travels. Places where particles of the medium crowd closer together are called compressions. Places where particles of the medium spread farther apart are called rarefactions.
Explanation:
For a standing wave to form, two waves must be traveling in opposite directions and cause destructive interference.
The magnetic particles in a soft iron nail will line up with the magnetic field when the current is switched on. ... When you switch on the current, the coil becomes an electromagnet. But also, the soft iron core becomes a magnet. It will add to the strength of the electromagnet.
