A Tale f Two Elephants 1. what organisms are shown?

2. Do they look the same?

3. Do the pictures show the same species?

4. How are they similar?

5. How are they different?

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

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.

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity