N amusement park water slide, people slide down an essentially frictionless tube. The top of the slide is 3.0m above the bottom where they exitthe slide, moving horizontally, 1.2mabove a swimming pool. What horizontal distance do they travel from the exit point before hitting the water

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block