A trumpeter plays at a sound level of 75dB. three equally loud trumpet players join in. what is the new sound level?​

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?

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.