The energy in the water at the top of a waterfall is an example of __________ energy
Fill in the blank(s) with correct word
gravitational potential
You might also like to view...
When a girl swings in a tire swing, the tangential acceleration in the rope
A. is the greatest at the highest point of the motion. B. is the greatest at the lowest point of the motion. C. is the greatest at a point neither highest nor lowest. D. is constant.
You find a rock containing radioactive potassium-40 and its decay product argon-40. You assume that all the argon-40 was made from radioactive decay of potassium-40. The rock now has twice as much argon-40 as potassium-40; that is, 2/3 of the original potassium-40 has decayed into argon-40, whereas 1/3 remains in the rock. Based on this graph, about how old is the rock?
A) 1 billion years B) 1.25 billion years C) 2 billion years D) 2.5 billion years
The radio lobes of double-lobed radio sources are inflated by jets of excited gas emerging in two directions from the central galaxy
Indicate whether the statement is true or false
When a microwave filter consisting of vertical parallel metal rods is in the absorbing position, oscillating currents are set up in the rods. At any one instant, the current in each rod has the same magnitude and direction. At that instant
a. the rods will try to move apart horizontally. b. the rods will try to move together horizontally. c. the rods will try to shift vertically upwards. d. the rods will try to shift vertically downwards. e. the rods will not be affected because the source of current is not a battery.