A weight force of 10 N force acts on an object while the object moves 20m along horizontal ground. How much work is done by the weight force on the object? a) 0.5 J b) 2 J c) 10 J d) zero e) 200 J I already know it's not 200 J because I got the question wrong. Please show work!

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

What kind of waves require a medium to travel? question 6 options: light waves mechanical waves all waves need a medium to travel electromagnetic waves

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.