blood has been spattered from a body but the body has been removed. One drop of

Question

blood has been spattered from a body but the body has been removed. One drop of blood has evidently fallen past the entire length of a smellovision set. The smellovision set is 2400.0 cm (+/-.05 cm) from top to bottom. A local criminalologist has concluded that the drop of blood took 6.00 seconds (+/-.005 seconds) to fall past the smellovision. what was the drop average velocity past the smellovision set? Determine the time at which the drop instantaneous. velocity was precisely 400cm/s. was it for example t=1 sec? t= 3.7 sec? when . at the bottom of the smellovision set a photogate measured the drops instantaneous velocity to be 550cm/ s.? what is the constant acceleration due to gravity on this moon of jupiter.? what was the drops instantaneous velocity at the top of the smellovision? what was the drops instantaneous acceleration as it passed the midpoint of the smellovision? from how high above the smellovision did the drop come?

Explanation / Answer

Average velocity=total displacement/time=24/6=4m/sec

V=4m/s

V=u+at

4=0+9.8*t

t=4/9.8 = 40/98=0.408sec

V=5.5m/s

S=24m

g=?

v^2-u^2=2*a*s

5.5^2-0^2=2*g*24

g=5.5^2/48

=0.63m/s^2

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