Why the efficiency of normal light is smaller than solar light?

a jumbo jet is standing on a runway waiting for takeoff. It must have a velociyty of 45m/s to acheive takeoff. What is the planes acceleration if it takes five seconds for it to reach its takeoff velocity?

What are 2 factors affect air resistance on an object

Cellular respiration releases energy by breaking down A food molecules b atp (energy) c carbon dioxide d water

When traveling downhill it takes longer to stop and more blank to change direction?

What is mass loss and how does it figure in the death of a star? is the sun undergoing mass loss

What is the fundamental unit for measuring mass in the metric system?

Why are some craters on the moon bigger than others

What object oriented feature can we use to have a single test program, with one set of method calls in which the user can decide which bag implementation (array - or link-based) needs testing?

What might motivate someone to study forensics

A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to five times her weight as she goes through the dip. If r = 17.