What is the density of the block
A uniform block of height 0.330 m, floats in glycerin of density 1260 kg/m3. The bottom of the block is 0.2748 m below the surface of the glycerin. What is the density of the block?
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When the 4.6 kg weight is moving with a speed of 1.7 m/s, what is the kinetic energy of the entire system?
An electrically heated coil with a resistance of 60 operated from a 110 V line. A thermoregulator switches the current on and off. What fraction of the time will the current be turned on?
Name the three important rays that are used in the ray diagram to determine the image location of an object
What case established the implied powers?The doctrine of Judicial review? The broad national view of economic affairs?
The molar heat capcities of iron and gold are 25.19 J/(mol degree C) and 25.41 J/(mol degree C), respectively. What is the final temperature of the water and the pieces of metal?
A wire 17 inches long is cut into two pieces. One piece is bent to form to form a square and the other is bent to form a rectangle that is twice as wide as it is high. How should the wire be cut in order to minimize the total area of the squa
Particle 1 has a velocity v= 2 m/s and a mass m= 2 kg. this particle collides with particle 2 of mass m= 6 kg, which is at rest, and then two particles stick together. the speed of the conglomerate particle is
A 89.0 N grocery cart is pushed 13.0 m along an 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, what is the grocery cart's final speed?
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