HELP!!A boat heads directly north 15m/s across a river 300m wide flowing at 6m/s west. A:What is the Velocity of the boat relative to the river bank? B. HOW long will it take to cross the river? C:how far down stream will the boat travel to if it reaches the other side of the river bank? D. What is new position of the boat relative to the starting point after 5 seconds?.. Explain all four in details please.

Aflower pot weighing 3 newtons is sitting on a windowsill 30 meters from the ground is the energy of the flower pot potential or kinetic? how many joules is this

The key to stability is feedback between the reservoir and the fluxes into and/or out of the reservoir. assume that the rate of outflow from a reservoir depends on the size of the reservoir according to the following relationship: outflow rate= k x (size of reservoir), where k is a constant. a reservoir of water has a volume of 5000 liters, and the rate of outflow at steady state is 25 liters per minute. what is k? (give both the numerical value and its units.) what is the residence time? what is the relationship between k and the residence time?

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.