Q15. Fluid Motion
1. A bucket of water is pushed from left to right with increasing
speed across a horizontal surface.
Consider the pressure at
two points at the same level in the water.
It is the same
It is higher at the point on the left
Q14. Wave Motion
1. The displacement of a string carrying a traveling sinusoidal
y x, t ym sin k x t
wave is given by
At time t 0 the point at x 0 has velocity v0 and
The phase constant is given by tan :
y0 / v0
v0 / y0
Tutorial problems: Ray Optics
In the figure, a 1.74 m-long vertical pole extends from the bottom of a swimming pool to a point 59.2 cm above the water. Sunlight is incident at angle
55.0 . What is the length in meters of the shadow of the pole on the l
Tutorial problems: Oscillations and Waves
1. The function x = (4.3 m) cos[(3 rad/s)t + (/5 rad)] gives the simple harmonic motion of a body. At
time t = 7.0 s, what are the (a) displacement, (b) velocity, (c) acceleration, and (d) phase of the motion?