Which elements do hydrogen fuel cells combine to produce electricity?

Suppose a car moving in a straight line steadily increases its speed, the first second from 35 to 40 km/hr, the second second from 40 to 45 km/hr, and the third second from 45 to 50 km/hour.

What is a prokaryotic and eukaryotic cell?

a circuit element having terminals a and b has vab = 10v and iba = 2a over a period of 20s, how much charge moves throught the element

7. An automobile with a radio antenna 1.0 m long travels at 100.0 km/h in a location where the Earth's horizontal magnetic field is 5.5*10-5T. What is the maximum possible emf induced in the antenna due to this motion?

Is the heat you feel when you put your hands above fire Conduction convection or Radiation

Work is a product of A force and distance B force and heat energy C cause and heat energy D cause and effect

An exploration submarine should be able to descend 1200 m down in the ocean. If the ocean density is 1020 kg/m3, what is the maximum pressure on the submarine hull?

Why cooking pans don't have have metal handles?

Why will marchers at the end of a long parade following a band be out of step with marchers nearer the band

How would you explain photosynthesis to a new student in class