An 80.0 kg climber with a 20.0 kg pack climbs 8848 m to the top of Mount Everest. What is the total change in the climbers potential energy?

Find the vertex(use the completing the square method), findthe x- and y-intercepts, and sketch the graph offunction. y = 2x2 + 4x - 1

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .