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The inner edge of a race track is in the form of a rectangle with two semicircular ends on the shorter sides. The rectangle is 82.0 m wide and 137.0 m long. The race track is 5.50 m wide. What is the difference between the shortest path taken by following along the inner edge and the longest path around the track taken by following along the outer edge?
Determine how much tension must a rope withstand if it is used to accelerate an 1100 kilogram car vertically upward at 0.50 m/s2
One end of an insulated metal rod is maintained at 100 , while the other end is maintained at 0 by an ice-water mixture. Find the thermal conductivity of the metal
You (mass 90 kg) are a spyentering a high-security building through a skylight 20 m above thef loor. Your partner is lowering you on a rope (total mass 10 kg,total length 25 m) and you need to tell her when to stop lowering you. You can’t shout up to..
The distant moon imaginarius has half the diameter of the earth. The free-fall acceleration on the imaginarius is a= 4 m/s^2. What is the ratio of the average mass density of imaginarius to that of earth, Q= p (imaginarius) / p (earth)?
A small light fixture is on the bottom of a swimming pool, 0.75 m below the surface. The light emerging from the water forms a circle on the still water surface. What is the diameter of this circle?
The pressure in a traveling sound wave is given by the following equation. p = (2.1 Pa) sin ?[(1.40 m-1)x - (280 s-1)t], Find the pressure amplitude and Find the wavelength
aisle by a shopper who exerts a constant horizontal force of 40.0 N. If all frictional forces are neglected and the cart starts from rest, illustrate what is the grocery cart's final speed?
A hypothetical 40cm long arm is assumed to be weightless. What is the maximum weight that can be held in the hand if the muscle is attached 1 cm from the below
A two-slit interference experiment is set up, and the fringes are displayed on a screen. How does the fringe pattern change
What is the annual petroleum consumption of the United States, and where does this petroleum originate? Include all sources supplying a significant fraction of the US consumption (5% or more).
You have a special lightbulb with a very delicate wire filament. What is the largest root-mean-square current you can run through this bulb
A ski starts from rest and slides down a 29° incline 100 mlong. Use energy methods. what is the ski's speed at the base of the incline
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