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One component of a metal sculpture consists of a solid cube with an edge of length 0.277 m. The alloy used to make this cube has a density of 6.49X10^3 kg/m^3. Find the cube's mass.
A 4.0-W resistor has a current of 3.0 A in it for 5.0 min. How many electrons pass through the resistor
Two forces act on a car. Force A is 120 N, west and force B is 200 N at 60° N of W. What is the direction of the resultant force on the car
If, instead, the gold is drawn out into a cylindrical fiber of radius 1.5µm, what is the length of fiber.
he 5.0- block is pulled to the right with a force as shown in the figure . The coefficient of static friction between all surfaces is 0.55 and the kinetic coefficient is 0.3, illustrate what is the minimum value of needed to move the two blocks?
A force of 78gm acts at the point (2, 3, 5) the direction cosines of its line of action being as 2:2:1 find the magnitude of its moment about the joining the origin to the point (2, 3, 4).
An electron and a proton are initially very far apart (effectively an infinite distance apart). which is the change in the electric potential energy
The displacement of a particle moving under uniform acceleration is some function of elapsed time and acceleration. Suppose we write this displacement as: s=ka^mt^n where k is the dimensionless constant.
When the projectile is at the top of its trajectory, an internal explosion causes it to separate into two fragments of equal mass. One of the fragments falls straight downward as though it had been free from rest.
A small block of mass 20.0 grams is moving to the right on a horizontal frictionless surface with a speed of 0.500 m/s. What is the speed of the 40.0 gram block after the collision
What percentage of the neutrons would not interact if the concrete slab were made 45.0 cm thick? How many centimeters thick would the concrete need to be so that 12.0 per cent of the neutrons are transmitted.
The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 75.0nC. What is the area of each plate
What is the maximum rate of rotation. A moving electron passes near the nucleus of a gold atom, which contains 79 protons and 118 neutrons. At a particular moment electron is a distance of 7.5 x10 ^9 m from the gold nucleus.
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