A 0. 20 kg object, attached to a spring with spring constant k = 10 n/m, is moving on a horizontal frictionless surface in a simple harmonic motion of amplitude of 0. 080 m. What is the its speed at the instant when its displacement is 0. 040 m? (hint: use conservation of energy. ).

The y-value if a data point corresponding to x1

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

Earth takes in thermal energy from the sun in a process called . sunlight strikes earth’s surface at different angles. this angle is called the angle of . btw its