A person slaps her leg with her hand, which results in her hand coming to rest in a time interval of 2.75 ms from an initial spe
1 answer:
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Answer:
<em>The sprinter traveled a distance of 7.5 m</em>
Explanation:
<u>Motion With Constant Acceleration </u>
It's a type of motion in which the rate of change of the velocity of an object is constant.
The equation that rules the change of velocities is:
Where:
a = acceleration
vo = initial speed
vf = final speed
t = time
The distance traveled by the object is given by:
Using the equation [1] we can solve for a:
The sprinter travels from rest (vo=0) to vf=7.5 m/s in t=2 s. Computing the acceleration:
Now calculate the distance:
The sprinter traveled a distance of 7.5 m
Answer:
0.541 nm
Explanation:
The condition for maxima is,
Here, m=0,1,2,.....
And d is the slit separation, m is the order of maxima, is the wavelength.
Given that, the 17.3 eV electron posses a wavelength of
And the order of maxima is .
And the angle at which first order maxima occur is, .
Put these values in maxima condition while solving for d.
Therefore, the slit separation is 0.541 nm.