I think it’s 15cm
Might be 7cm
Acceleration=(change in speed)/(time for the change). 43/0.28 = 153.6 m/s^2.
I think its B or D, most likely D.
Answer:The central spot becomes Dark
Explanation: it become dark because as the wavelength reduces,the velocity in the detector decreases, this time by 90degrees
The ideal gas law.
PV=nRT
P=presure
V=volume
n=number of moles
R=Gas costant
T=temperature.
Answer: a. Number of moles.
