Compare intensities:
100dB vs 75dB

Explanation:

Intensity of a wave is the power per unit area carried by a wave. Decibels are the unit of intensities. They are generally used to express the intensity of sound waves.

They higher the decibel rating of a sound, the more intensity it carries.

A sound with rated 100dB has higher intensity compared to one with 75dB.

100dB sound is in the domain of factory noise.

75dB is in the threshold of a noisy office and classroom.

gpe = mass x gravity constant x height or… gpe = mgh

where… mass: measured in kilograms (kg)

gravity: gravity constant on earth = 10.00 m/s2

height: measured in meters (m)

gpe: measured in joules (j) or kilojoules (kj)

how do you solve gpe?

gravitational potential energy (gpe) is the energy an object has because of its position above the. ground.

gpe = mass x gravity constant x height or… gpe = mgh.

mass:

note: to earn full marks when solving science word problems, you must show your work:

formula.

example:

given values:

mass = 0.3 kg.