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If an aluminum cube of 90 grams is placed in a cup of mercury (a fluid with a density of 13.55 g/cm^3), and the aluminum cube displaces 45 cm^3 of mercury, what is the net force acting on the cub
A water molecule consists of an oxygen atom with two hydrogen atoms bound to it . The angle between the two bonds is 106°. If the bonds are l = 0.100 nm long, where is the center of mass of the
A man with mass m1 = 61 kg stands at the left end of a uniform boat with mass m2 = 168 kg and a length L = 2.6 m. Let the origin of our coordinate system be the man's original location as shown in t
Given those definitions of culture, how has the information in your articles helped you to better undertstand cultural differences in leisure activities?
If a 1.1x1011 N force is applied on each 100.0 m cylinder of aluminum, brass and steel with a radius of 10.0 m (figure 8 ). Find the final length of each cylinder.
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving wi
Three identical thin rods, each of length L and mass m, are welded perpendicular to one another as shown in Figure P10.23. The assembly is rotated about an axis that passes through the end of one ro
A wooden box weighing 245 N is pushed across the floor by a workman who exerts a horizontal force of 172 N. If the force of friction between the box and the floor is 26 N, what is the acceleration
The Italian restaurant across the street closes at 9 pm but the one two blocks away closes at 10 pm. 7. Bob bought a new blue shirt with a golf club on the back for twenty dollars.
A car is driven along a circular track. The track road is flat. The car, starting from rest, increases its speed uniformly. The car slips off the road after just completing 2.5 rounds.
An object at rest explodes into three pieces of equal mass. One moves East at 20.0 m/s, while a second moves northwest at 15.0 m/s. What is the velocity of the third piece?
A 5.0-kg ball moving due east at 4.0 m/s collides with a 4.0 kg ball moving due west at 3.0 m/s. Just after the collision, the 5.0 kg ball has a velocity of 1.2 m/s, due south.
A 200 g ball of putty falls vertically into a 2.50 kg cart that is rolling freely at 2.00 m/s on a horizontal surface. What is the nal speed of the cart?
Block A then slides across a horizontal frictionless surface and collides elastically with another block B (5:0 kg) that was initially at rest. What is the nal velocity of each block?
Suppose a speck of dust in an electrostatic precipitator has 1.0000x10^12 protons in it and has a net charge of -5.00nC (nanocoulomb). How many electrons does it have?
A uniform metal plate of edge 25 cm has a square section of edge 5.0 cm cut out of it.Where is the center of gravity of the plate?What is the moment of Inertia of the plate about an axis perpendicu
A lead shot is projected from the ground level with a velocity U, at an angle O, to the horizontal. Given that the times t, for the lead shot to reach its maximum height as t=UsinO/g. Where g is ac
Create a presentation (using a Microsoft Word brochure template from their website) or power point. You can go to www.microsoft.com and search for brochure and powerpoint templates.
Suppose a solid disk of radius R=3.64 cm is given an angular velocity ω=54.83 rad/s about an axis through its center perpendicular to its plane.
How far did they skid?? Hint: Are the aircraft moving at a constant velocity after the collision or do they experience an acceleration?
A pendulum has a mass of 0.5 kg and starts at a height of 0.3m. If it is released from rest, how fast is it going when it reaches the lowest point of its path?
Two buses started from the same depot at the same time and traveled in opposite directions. After traveling 4 hours, they were 480 miles apart. The rate of the fast bus exceeded the rate of the slo
Describe how an electric current is generated and transported. Assess the current state of our national grid in the United States, as well as any challenges in updating this grid.
Describe the various ways that you encounter and utilize different EM radiation in your daily life.Original work, reference and cites used.
Compare and contrast the processes of fusion and fission. Describe the challenges in harnessing fusion technology for domestic energy needs.