In 0.5 seconds, a projectile goes from 0 to 300m/s what is the acceleration of the projectile

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?

The device shows the relative humidity at 22°c. what’s the water vapor density if the maximum water vapor in air at this temperature is 20 grams/cubic meter? a device showing that at 22 degrees celsius the relative humidity is 58%. a. 11.6% b. 11.6 g/m3 c. 12.76% d. 12.76 g/m3 reset next

Which wave would cause destructive interference at every point of the wavelength and completely cancel out the wave?