E = 1/2 kx^2
Make k the subject of formula.
Find the base units of E and x.
Replace back in the equation and find the base units of k.
See attachment file below.
Hope it helped!
Answer: 35.3m (3sigfig)
Explanation:
I would use the equation wave speed= frequency x wavelength
Rearrange to get wavelength=wave speed/ frequency
Plug in your numbers and that's the answer you get
Hope this helps :)
Answer:
Using your right-hand: point your index finger in the direction of the charge's velocity, v, (recall conventional current). Point your middle finger in the direction of the magnetic field, B. Your thumb now points in the direction of the magnetic force, F.
Cheers!
Maybe this works by asking more then you can finallly find what you looking for