What net force would be needed to accelerate and object with a mass of 2kg to 100m/s?

Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?

By what primary heat transfer mechanism does the sun warm the earth?

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?