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A cart (821.7g) connected to a hanging mass (240g) is free to move on an incline plane with an angle of 15.3 degrees. Determine which way the hanging mass will move, up/down, and the tension in the string connecting the cart and hanging mass.
What is the weight of the heaviest fish that can be pulledup vertically when the line is reeled in (a) at a constant speedand (b) with an acceleration whose magnitude is 2.0 m/s 2
A soft iron bar is sitsting surrounded by two separate loops of wire. The loop on the left, L1, initially has a current flowing clockwise as viewed from the right, What will be direction of magnetic field in soft iron bar
The block starts at the top of the wedge at 1.2 m. Find out the final speeds of a block and the wedge once the blook has slid to the bottom.
An excellent laboratory vacuum has a pressure of 5.00 multiply.gif 10-18 atm, ow many gas molecules are there per cubic centimeter in such a vacuum at 290 K
You and your friends find a rope that hangs down 18m from a high tree branch right at the edge of a wide river. How long must you hang on if you want to stay dry
A playground merry-go-round of radius R = 1.80 m has a moment of inertia I = 255 kg · m2 and is rotating at 9.0 rev/min about a frictionless vertical axle. What is the new angular speed of the merry-go-round
A block of material has a mass of 80 kg and a volume of 4.1 10-2 m3. How much heat must be added to the block in order to increase its volume by 1.0 10-5 m3
Object O1 is 15.9 cm to the left of a converging lens with a 10.2-cm focal length. What is the overall magnification of this system
A 20cm long hollow tube of inner diameter 2.8nm, outer diameter 3.0mm is connected to a battery. what is the potential drop across the tube
A huge cannon is assembled on an airless planet. The planet has a radius of 6.00×106 m and a mass of 2.09×1024 kg. What height does the projectile reach above the surface
A rock is travelling in a horizontal circle due to a string with a tension of 100.5 N that is 2.0 m long. What is the tangential speed of the rock
Person A and Person B are both on Earth in the northern hemisphere. Person A is further north (i.e., at a higher latitude) than Person B. Considering only the rotational motion of the Earth on its axis
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