A stone is dropped from the top of a cliff. It is seen to hit the ground below after 3.75 s. How high is the cliff?
What will be an ideal response?
Answer: 
You might also like to view...
State the condition for an object to be in translational equilibrium
What will be an ideal response?
We are able to define a mechanical equivalent for heat because
a. some thermal energy can be converted into mechanical energy. b. mechanical energy can be converted into thermal energy. c. work can be converted into thermal energy. d. some thermal energy can be converted into work. e. all of the above can occur.
In a certain region of space, the electric field is zero. From this fact, what can you conclude about the electric potential in this region?
1.It is zero. 2.It is constant. 3.It is positive. 4.It is negative. 5.None of these answers is necessarily true.
In the electron double-slit experiment with electrons, what happens when a detector is used to determine through which slit the electron actually passes?
A) The electron then acquires both a precise velocity and a precise position. B) The pattern on the screen suddenly becomes an wave-interference pattern. C) The electron suddenly jumps into a state of higher energy. D) The pattern on the screen suddenly becomes a non-interference pattern. E) Batman arrives.