Find the velocity, acceleration, and speed of a particle with the given position function. r(t) = t i + t2 j + 2 k v(t) = Incorrect: Your answer is incorrect. a(t) = Incorrect: Your answer is incorrect. |v(t)| = Incorrect: Your answer is incorrect. Sketch the path of the particle and draw the velocity and acceleration vectors for t = 1.

Arock collection comes from which part of earth?

How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.