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A 75g lead sinker at 90 degrees celsius is placed in 500 cm^3 of water at 20 degrees celsius. What is the final temperature of the sinker? (Hint: You need to figure out how much 500 cm^3 of water weighs.)
If the particle is released from rest at the midpoint C, s=100mm, and the acceleration is measured as a= (4s) m/s2 , where s is in meters, evaluate the velocity of the particle when it reaches plate B, s=200mm, and the time it needs to travel C to ..
Work out the buoyant force due to the surrounding air on a man weighing 800 {rm N}. Imagine his average density is the same as that of water, and surrounding air temperature is 0 rm ^circ C.
Estimate the capacitance of the series combination of capacitors shown.
If the heavier fragment lands back at the equal point from which the shell was launched, where will lighter fragment land and how much energy was released in the explosion.
A frictionless, vertical wire has two metal beads on it. The beads are held 30 cm apart by horizontal magnets, If the two beads each have a mass of 49.7 g, what is the kinetic energy of the second immediately after impact
Express your answers using two significant figures. Enter the x and y coordinates of the charge separated by a comma.
A uniform solid disk with a mass of 45.00 kg and a radius of 0.393 m is free to rotate about a frictionless axle. Forces of 90.0 and 125 N are applied to the disk.
What is the difference between mas and weight? On earth, what is the weight of a 1 kg mass, When your textbook says that the moon "falls around the earth,
Three objects with masses, m1 = 6.0 kg, m2 = 10.0 kg, and m3 = 15.0 kg, are attached by strings over frictionless pulleys as indicated. The horizontal surface is frictionless and the system is released from rest. Using energy concepts, find out th..
Two cylindrical rods are identical, except that one has a thermal conductivity k1 and the other has a thermal conductivity k2. they are placed between two walls that are maintained at different temperatures TW (warmer) and TC (cooler).
Plane leaves the airport in Galisto and flies a distance 180 at an angle 68 east of north and then changes direction to fly the distance 250 at an angle 48 south of east, after which it makes an immediate emergency landing in a pasture.
What would be rockets speed after travelling the distance if it weren't tied down to the spring.
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