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Hikers came across a deep narrow well and decided to find its depth. They dropped a pebble into the well and heard the sound of the pebble hitting the bottom of the well in 7s. Using this information they found the depth of the well. How deep is the well? Assume that the velocity of sound is...

A mass m is 5kg and another mass, M=6kg. Find the acceleration of this system if the kinetic friction is 0.1 and theta = 30 degrees. Find all tensions of connecting ropes. For which values of M will the system stay in an equilibrium position?Assume that the static friction coefficient is 0.15...

A car moves from point A to point B along a straight line. The car passes the first third of the distance with a constant velocity v1. The second third of the distance the car travels with a constant velocity v2 and for the last third of the distance the car moves with a velocity v3. What is the...

I see, thanks for replying.

shouldn't the -0.01 be a power because it is decaying?

too much information, how do?

I'm not sure how to graph this properly.

I don't get it, sned answrs

That's what I've been doing for the past week, I just thought chemistry would be kinda hard to self-teach but I guess I have no choice, Thanks for the replies

That's what I've been doing for the past week, I just thought chemistry would be kinda hard to self-teach but I guess I have no choice, Thanks for the replies

Well, I plan to do engineering at UTS after school, and yes Chemistry is 'recommended knowledge'. As for subjects, I might plan to swap to the new Investigating Science, a few friends have recommended it to me since they are doing and it sounds helpful, the teacher is excellent as well. In terms...

Hi I'm somerandomperson, obviously The subjects that I'm doing are - Extension 1 Math - Advanced Math - Business Studies - Chemistry - Physics - Standard English - CAS I aim to get that good 'ol 99.95 and would like to study Engineering at UTS

I guess could I have the Project Academy 2018 Chemistry Practice Exam w/ solutions, would be a pretty good help for me.

We're supposed to be getting cambridge but they haven't finalised it yet and will do so in March. The coordinator of Maths for me kinda winged to them and they sent the first four chapters to us since they are the finalised chapters.

I guess, can you send me them too since everyone seems to be, thanks if you do.

In kind of a predicament where my teacher is horrible, he rambles on too much and cannot explain separation techniques (first topic) properly, kind of just names it and dosen't explain the process. I'm unsure.