When dropping a grape and a bowling ball from a height, the force of gravity would be identical on each object. True or False
2 answers:
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6. f = 128.62 , T= 0.0077775 s
7. f = 2.2 *
, T = 4.545 *
s
8. 32.64
9. 3.29 *
Explanation:
Step 1:
6.
For light and sound v = fλ
where v represents the velocity
f represents the frequency
λ represents the wavelength
λ = 2.69 m
v = 346 m/s
f = v/λ = 346/2.69 = 128.62
Time period is the reciprocal of frequency
T = 1/128.62 = 0.0077775 s
Step 2:
7.
λ = 110 cm = 1.1 m
v = 2.42* m/s
f = 2.42*/1.1 = 2.2 *
T = 1/(2.2*) = 4.545 *
s
Step 3:
8.
λ = 10.6 m
v = 346 m/s
f = v/λ = 346/10.6 = 32.64
Step 4:
9.
λ = 5.89 * m
v = 1.94 * m/s
f = v/λ = 3.29 *