Kinematics and Dynamics Question: Speed
Not what you're looking for?
A ball is released from top of 98 m tall building. At the same instant a second ball is thrown straight up from the ground with an initial speed of 28 m/s directly below the point where the first ball was dropped. Ignore air resistance.
a. At what height above the ground do the balls collide?
b. What are the balls velocities (magnitudes and directions) just before the collision?
Purchase this Solution
Solution Summary
The solution determines at what height above the ground do the balls collide.
Solution Preview
Suppose after t seconds and height of h, the collision occurs.
For the dropping ball, 98-h=1/2*g*t^2. (I)
For the rising ball, h=28t-1/2*g*t^2. ...
Purchase this Solution
Free BrainMass Quizzes
Classical Mechanics
This quiz is designed to test and improve your knowledge on Classical Mechanics.
Basic Physics
This quiz will test your knowledge about basic Physics.
Introduction to Nanotechnology/Nanomaterials
This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.
Intro to the Physics Waves
Some short-answer questions involving the basic vocabulary of string, sound, and water waves.
The Moon
Test your knowledge of moon phases and movement.