Vo = 8 m/s. g = 10 m/s^2
alpha = 30 degree
ask: x?
x = vo^2 sin ^2 alpha / g
x = 8 ^2 x 2 sin 30 cos 30 / 10
x =( 64 x2x 1/2x1/2√3 )/ 10
x= 3.2 √3 metres
√3 = 1.73
Answer:
1. Torque → F. Study of forces
2. C.O.G → D. Point of action of weight.
3. Plumb line → A. Line of C.O.G
Hot and cold water rising and sinking through other water
is definitely a description of convection.
Answer:
255 Hz
Explanation:
The beat frequency is the difference in frequency between two frequencies that are close.
Let the the unknown frequency be
.
Sounded with the 250 Hz tuning fork,


Sounded with the 270 Hz tuning fork,


The common value of
in both situations is 255 Hz.