Use equations of motion to find the velocity just before it hits the floor:
<span>Vf^2 = Vi^2 + 2gx </span>
<span>Final velocity = 4.42m/s </span>
<span>Impulse is change in momentum so: </span>
<span>m(Vf - Vi) = 0.05(0 - 4.42) </span>
<span>= - 0.221 kg.m/s
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Troposphere. The troposphere is the lowest layer of our atmosphere.
Stratosphere. The infamous ozone layer is found within the stratosphere.
Mesosphere. Most meteors burn up in the mesosphere.
Thermosphere. Many satellites actually orbit Earth within the thermosphere
Exosphere. Considered to be the actual "final frontier"
Ionosphere. The electrically charged atoms and molecules that are formed in this way are called ions, giving the ionosphere its name
Answer:
B
Explanation:
i just did it on study island
<span>When sound waves travel from air into water, they'll immediately
start moving faster. (Their speed will increase.)
Of course, this means that although their frequency won't change,
their wavelength will increase.</span>
Answer:
<h2>Assume that the north american continent can be respanterd by a slab of rock 4000 km on a side and 30 km deep and that the rock</h2>
<h2>iam help for you</h2><h2>thanks</h2><h2>comment</h2><h2>flowing </h2>