3. A 900N mountain climber scales a 150m cliff. How much work is done
by the mountain climber?

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above

In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will “stick” to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm

When connected to a 120 v outlet, a light bulb consumed a power of 50.4 watts. what is the current flowing through it?