Aforce of 3,200 kg x m/s^2 (newton’s) acts on a truck giving it an acceleration of 2 m/s^2. what is the mass of the truck ?

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

The protons in a nucleus are approximately 2 ✕ 10^−15 m apart. consider the case where the protons are a distance d = 1.93 ✕ 10^−15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm