Answer:
4.78 m/s^2
Explanation:
A)From he FBD
we can write
Tcosθ= mg
Tsinθ= ma
dividing we get tanθ= a/g
a= g tanθ
a= 9.81 tan26°= 4.78 m/s^2
Answer:
4 kg
Explanation:
momentum = mass x velocity
10 x 20 = 200
200 / 50 = <u>4</u>
Answer:
Forced vibrations, such as those between a tuning fork and a large cabinet surface, result in much lower sound than was produced by the original vibrating body. (d.)