The intensity level in decibels is defined as 10 log10(i/i0), where i0 is a reference intensity equal to the human threshold of hearing, 10–12 w/m2. what is the intensity of the threshold of pain, 120 decibels?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

M1 = 2.8 kg, m2 = 6.72 kg, m3 = 11.2 kg, byas in .is ,is .toof m3 it 0.91 m. (in m/s)