The nucleus of an atom is composed of unchanged particles as well as of the following

An amusement park ride spins you around in a circle of radius 2.5 m with a speed of 8.5 m/s. If your mass is 75 kg, what is the centripetal force acting on you? A. 1530 N B. 2168 N C. 255 N D. 2359 N

Which statement about our solar system is false? a. The Kuniper Belt is between Uranus and Neptune. b. The Sun is the only star in our solar system. c. Our solar system is made up of the Sun and other objects that orbit the Sun. d.

What is the primary force that shapes the Earth's landscape?

A passenger jet flies from one airport to another 1,333 miles away in 2.2 h. Find its average speed in the mks system of units.

Under normal conditions, you are just barely able to lift a mass of 74 kg. Your friend drops a box of volume 2.4 m3 into a lake. If you are just able to lift it to the surface (so that it is still completely submerged), what is the mass of the box

Claudia throws a baseball to her dog. Which free-body diagram shows the baseball when it's flying horizontally in midair? (Assume no air resistance.)

What causes an air conditioned to turn on

A turntable is spinning on a frictionless axle when a ball of putty is dropped onto it from above. The putty sticks to the turntable when it lands. Is angular momentum conserved for the turntable and putty (the system) during this process?

The speedof a boat in still water is v. The boat is to make a round-trip ina river whose current travels at speed u.

Why are there so few working wave power stations?