A ball is launched from ground level an initial velocity of 250 m/s directed 37 degree above the horizontal. How much time before the projectile strikes the ground

answer; i believe that the correct answer is (d) a very small amount of mass

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation:

c)as speed changes, wavelength and frequency change.

everything changes!