Find out the unit of the following quantities in S. I 1) Work: w=xF
2) weight: p. mg
3) potential energy: Ep = m. g.h

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j

What sort of waves exhibit the doppler effect?