The bottom sphere is briefly touched by another conducting sphere of the same size, mounted on an insulating handle. Assuming that the charge of the bottom sphere is q before it is touched by the other sphere, what is its charge after it is touched?

A portable CD player uses two 1.5 volt batteries. if the current in the CD player is 2amps, what is resistance?

When water freezes, its volume increases by 9.05% (that is, ΔV V0 = 9.05 ✕ 10-2). What force per unit area is water capable of exerting on a container when it freezes? (It is acceptable to use the bulk modulus of water in this problem.

Which has more KE, a large truck moving at 50m/s or a bicycle moving at 10m/s?

A closed system consists of 0.4 kmol of propane occupying a volume of 10 m3. Determine (a) the weight of the system, in N, and (b) the mass-based specific volume, in m3 / kmol and m3 / kg respectively. Let g = 9.81 m/s2.

What is the reason behind the tail of a comet moving away from the Sun? A The gravity of Jupiter pulls it away from the Sun. The nucleus of the comet propels it away from the Sun. C. The radiation pressure and solar wind propels it away from the Sun.

Which of these substances has the highest pOH? 0.10 M HCl, pH = 1 0.001 M HNO3, pH = 3 0.01 M NaOH, pH = 12

A climber pulls herself 8 meters upwards with a force of 150 Newtons. If it takes her 16 seconds to cover the 8 meters, how much power is she using? A. 40 W B. 55 W C. 70 W D. 75 W

How is volume calculated directly and indirectly

Which state of matter has the greatest amount of particle movement?

An engineer wishes to design a hydraulic system that will transmit pressure of 10,000 pascals using a force of 15 newton's how are large an area should the input piston have