In the photograph , suppose the cart that launches the ball is 13 cm high. The vertical distance from the lowest ball to the highest is about two cart heights or 26 cm.
Estimate the time interval between successive stroboscopic exposures.
Link to the photograph...
Find the x, y, and z components of the vector A shown in the figure , given that A = 65 m.
A link to the image: http://img401.imageshack.us/i/asdasp.jpg/
The Attempt at a Solution
Y Component: 65m*cos(35) = 53.24m
Z Component: 65m*cos(55) = 37.28m
A hot-air balloon has just lifted off and is rising at the constant rate of 2.3 m/s. Suddenly one of the passengers realizes she has left her camera on the ground. A friend picks it up and tosses it straight upward with an initial speed of 12 m/s. If the passenger is 2.5m...