Sarah drives her car with a constant speed of 88 km/h. How long will she take to travel 129.1 kilometres?

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34

The substances that are necessary for producing of certain hormones and that store and transport vitamins

Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.