Homework Statement
This is a multi-choice question in one of the past papers I'm doing in preparation for my upcoming exam. All info is provided in the picture attached.
Homework Equations
SUVAT Equation most likely apply, but unsure how to go about it.
The Attempt at a Solution...
Homework Statement
All included in image provided. As you can see, it's a multi-choice qu
Homework Equations
Acceleration=Velocity/Time
Not sure what else...
The Attempt at a Solution
Uncertain about how to approach this question. Using SI units I eliminated B. Any help would be...
Homework Statement
Two sources S1 and S2 of sound are situated 80cm apart in air, as shown in the image provided. The frequency of vibration can be varied. The two sources always vibrate in phase but have different amplitudes of vibration. A microphone M is situated a distance 100cm from S1...
So to find the time it takes for the runner to reach the ground is represented by s=ut+½at² where the initial vertical velocity= 0. Rearranging the equation makes t= 0.45s when a=9.81m/s². Then resolving the horizontal component using the same equation s=ut+½at² a= 0 meaning that u=3÷0.45=...
The time it takes for the runner to reach the ground? (sorry I have to go to bed now, GMT+12 makes it nearly quarter to 11 at night) Hopefully we can resume this tomorrow. Thank you for your time! :)