an object hits the ground in 5.00 second after being dropped from a rest position. how high was it dropped from? how fast was it going when it hit the ground?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.