Help with physics assignment please! 1)Pesticide spray droplets emerge from nozzles in a distribution of sizes, described by the Volume Median Diameter (VMD). One half of the spray volume have droplets smaller than the VMD, and one half of them larger. I found a typical pesticide VMD of 300 m. Wind speed, temperature, humidity, and particle size all affect how far droplets will drift from the spray location. Rather counterintuitive, but evaporation can make particles drift farther, because they get smaller. But as a first approximation, assume humid conditions (no evaporation to change particle size), and that a quarter of the volume sprayed has a particle size of half the VMD. California Code of Regulations (Title 3. Food and Agriculture), Division 6. Pesticides and Pest Control Operations, 6960 states: wind speed shall be 3-10 miles per hour (mph) at the perimeter of the application site as measured by an anemometer on the upwind side. Planes typically fly between 10-15 ft above crops when dusting. a) A nearby organic farm has raised concerns about the spraying underway at a neighboring farm. They have fields within 300 m of the fields getting sprayed. Comment on the validity of their concern. (That is, calculate whether particles half the size of the VMD could potentially drift to the organic farm given the conditions above.)b) Calculate the maximum permissible wind speed for pesticide spraying to prevent half the VMD-sized droplets from drifting to the organic farm fields2)Top Gear episode presented a one mile race between a Porsche 911 turbo and a VW bug. Now the outcome of that would seem obvious except that the VW traversed the one mile vertically, dropped from a helicopter at the same time the 911 left the start to reach the same target. Calculate the time the 911 would have to beat to win the race and drive past the target ahead of the VW reaching the finish line, err crater. 3)Your friend has built a rustic redwood palace in the forest and as devoted aquarist built a 1,000 gallon aquarium into the home's living room on the second floor. The problem: their photovoltaic system has yet to get installed, but they need to fill the aquarium soon to support the fish already in transit that will arrive way. You propose a solution: connecting an irrigation pump to a stationary bike and use pedal power to pump the water and fill the aquarium. They get their water from a spring at an elevation 120 ft below the level of the first floor, and so have another 16 vertical feet about that to pour water into the aquarium. You recall your physics lessons that Work = Energy = F x d, which we measure in Joules, e.g., potential energyAnd that Power = (Energy/time), which we measure in Watts, if we use mks units (but you know that)And that by you can produce a steady output of 100 Watts on the bike. How long would you have to pedal to fill the aquarium?

1) Pesticide spray droplets emerge from nozzles in a distribution of sizes, described by the Volume Median Diameter (VMD). One half of the spray volume have droplets smaller than the VMD, and one half of them larger. I found a typical pesticide VMD of 300 um. Wind speed, temperature, humidity, and particle size all affect how far droplets will drift from the spray location. Rather counterintuitive, but evaporation can make particles drift farther, because they get smaller. But as a first approximation, assume humid conditions (no evaporation to change particle size), and that a quarter of the volume sprayed has a particle size of half the VMD. California Code of Regulations (Title 3. Food and Agriculture), Division 6. Pesticides and Pest Control Operations, 6960 states: wind speed shall be 3-10 miles per hour (mph) at the perimeter of the application site as measured by an anemometer on the upwind side. Planes typically fly between 10-15 ft above crops when dusting. a) A nearby organic farm has raised concerns about the spraying underway at a neighboring farm. They have fields within 300 m of the fields getting sprayed. Comment on the validity of their concern. (That is, calculate whether particles half the size of the VMD could potentially drift to the organic farm given the conditions above.) bj Calculate the maximum permissible wind speed for pesticide spraying to prevent half the VMD-sized droplets from drifting to the organic farm fields? 2) A Top Gear episode presented a one mile race between a Porsche 911 turbo and a VW bug. Now the outcome of that would seem obvious except that the VW traversed the one mile vertically, dropped from a helicopter at the same time the 911 left the start to reach the same target. Calculate the time the 911 would have to beat to win the race and drive past the target ahead of the VW reaching the finish line, err crater. 3) Your friend has built a rustic redwood palace in the forest and as devoted aquarist built a 1,000 gallon aquarium into the home's living room on the second floor. The problem: their photovoltaic system has yet to get installed, but they need to fill the aquarium soon to support the fish already in transit that will arrive way. You propose a solution: connecting an irrigation pump to a stationary bike and use pedal power to pump the water and fill the aquarium. They get their water from a spring at an elevation 120 ft below the level of the first floor, and so have another 16 vertical feet about that to pour water into the aquarium. You recall your physics lessons that Work = Energy = Fx d, which we measure in Joules, e.g. potential energy And that Power = (Energy/time), which we measure in Watts, if we use mks units (but you know that) And that by you can produce a steady output of 100 Watts on the bike. How long would you have to pedal to fill the aquarium