If an arrow is shot upward on mars with a speed of 52 m/s, its height in meters t seconds later is given by y = 52t − 1.86t2. (round your answers to two decimal places.) (a) find the average speed over the given time intervals.

Another word for electromagnetic energy is a. heat b. force c. matter d. radiation

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.