An archer fish launches a droplet of water from the surface of a small lake at an angle of 70° above the horizontal. he is aiming at a juicy spider sitting on a leaf 40 cm to the east and on a branch 23 cm above the water surface. the fish is trying to knock the spider into the water so that the fish can eat the spider. (a) what must the speed of the water droplet be for the the fish to be successful?

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!