More emphasis on the topics of physics included in the SAT physics subject with hundreds of problems with detailed solutions. The truck is traveling at 60 km/h (16.66666 m/s) along a horizontal road. Apply Newton's second law to the block on the left. Hardest Physics Problem. The hints and answers for these pulley problems will be given next. The coefficient of static friction b/w the bed of a truck and a box resting on it is .5 . What is the least distance in which the truck can stop if the box is not to slide? Ever.? This begins with very basic physics, but continues with higher level material. Quantum gravity is the effort in theoretical physics to create a theory that includes both general relativity and the standard model of particle physics. Answer Save. Which means they simplify the problem as follows: 6÷2(1+2) = 6÷ 2(3) = 6÷6 = 1. Yet only one set of equations is considered so mathematically challenging that it’s been chosen as one of seven “Millennium Prize Problems” endowed by the Clay Mathematics Institute with a $1 million reward: the Navier-Stokes equations, which describe how fluids flow. The difference seems to be that only those who like physics – and find a good way of dealing with it – stick around to deal with the higher level stuff. An ice-skater, with a mass of 60.0 kg, glides in a cirlcle of radius 1.4 m with a tangential speed of 6.0 m/s. Physics concepts are clearly discussed and highlighted. Gravity is literally forty orders of magnitude weaker than all the other known forces in the Universe. The 11 Greatest Unanswered Questions of Physics Resolution of these profound questions could unlock the secrets of existence and deliver a new age of science within several decades. Physics Problem 1: The Problem of Quantum Gravity . O.k it isn't really, but angular momentum is a toughie. Hard Physics Problem? In general, physics seems to have this aura to it that scares people before they even start solving a problem. A second skater, with a mass of 50.0 kg, glides on the same circular path with a tangential speed of 5.0 m/s. Physics problems with solutions and tutorials with full explanations are included. Hints And Answers For Pulley Problems Hint and answer for Problem # 2 This is called the Atwood machine and is commonly used for demonstration in physics classes. Popular Recent problems liked and shared by the Brilliant community New Deformed Harmonic Oscillator? OK, yeah, that might have been the hardest of these hard math problems! Physics contains equations that describe everything from the stretching of space-time to the flitter of photons. 3 … By Eric Haseltine February 1, 2002 12:00 AM ... New theories may be needed to explain this problem.