Which avtivties belongs on top of physical activity pyramid

Can the resistors in an "unbalanced" Wheatstone bridge circuit be treated as a combination of series and/or parallel resistors? What about a "balanced bridge?

Which of the following are likely to be affected by a magnet? Check all that apply. A. A DVD B. A credit card C. An access card you scan for entry into a building D. A CD

Sound travels at a speed of 330 m/s. If a lightning bolt strikes the ground 3 km away from you, how long will it take for the sound to reach you?

A car is traveling at a constant speed of 12m/s, when the driver accelerates the car reaches a speed of 26 m/s in 6s what is the acceleration of the car

The mass of your new motorcycle is 250kg. What is the weight on the moon in newtons

What organelle is found in all animal cells and some plant cells

Basic of Archimedes's principle of how fluid can make body to float and sink.

A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun powder. What is the average force (in N) exerted on a 0.0500 kg bullet to accelerate it to a speed of 625 m/s in a time of 1.10 ms (milliseconds)

Your boss at the Cut-Rate Cuckoo Clock Company wants to save money on materials. You are asked to reduce the balance wheel, which is cylindrical, dimensions to one-third their original values.

Which of the following conditions is not necessary to observe an interference pattern between two sets of waves? A) The waves must have the same wavelength. B) The waves must have a constant phase difference.