Amechanic uses a mechanical lift to raise a car. the car weighs 11,000 n. the lift raises the car 2.5 m.
how much work is required to accomplish this task?
a.
27,500 j
b.
4400 j
c.
2.27 x 10-4 j
d.
22,500 j

It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

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