if a truck is reduced it's speed from 26.7m/s to 6.7m/s within a distance 800m find how long the break were applied​

What is the length x of the side of the triangle below? (hint: use the cosine function)

Which best represents the law of conservation of mass ?

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?