One group of students uses different methods to conserve water as listed below. method 1: close dripping faucets properly and fix leaking ones immediately. method 2: use the dishwasher when it is fully loaded. method 3: wash the car with recycled water. method 4: wash hands in a sink half full of water, and do not let the tap run. which of these methods does not use any extra water? a. method 2 and method 3 b. method 1 and method 3 c. method 2 and method 4 d. method 1 and method 2

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)

An ascending elevator, hanging from a cable, is coming to a stop. part a part complete identify all forces acting on the elevator from the list below. select all that apply. select all that apply. kinetic friction normal force tension weight static friction submitprevious answers correct part b draw a free-body diagram of the object. draw the vectors starting at the black dot. the location and orientation of the vectors will be graded. the exact length of your vectors will not be graded but the relative length of one to the other will be graded.