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A bat chasing a moth emits a sequence of three chirps every 0.010 seconds and
later hears the echos of the chirps as detailed in the diagram below.
Click!
Click!
Click!
Echo!
Echo! Echo!
++
0.09s
Time:
Os 0.01s 0.02s
0.095s 0.10s
Question: How far away is the moth when the bat hears the third echo?
Make sure to explain how you arrived at your answer.

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).