A heavy ball with a weight of 150 N is hung from the ceiling of a lecture hall on a 4.8-m-long rope. The ball is pulled to one side and released to swing as a pendulum, reaching a speed of 6.0 m/s as it passes through the lowest point. Required:
What is the tension in the rope at that point?

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?

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above

What’s #16 asking and how do i solve it?