If you launch the cannonball from the ground instead (hi=0), what does that change in the original equation?

What is sin 7x/4 ? i need on this urgent trig

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

To determine the number of deer in a forest a forest ranger tags 280 and releases them back