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A reservoir has an area of 45000 sq.ft and a uniform thickness of 10 meters. Assuming the reservoir has a homogenous porosity of 25 %. Determine the pore volume of the reservoir?
Consider the collision between two hockey pucks in the figure below. They do not stick together. Their speeds before the collision are v1i = 30 m/s and v2i = 11 m/s. What is the final velocity of the other puck
A solid block is attached to a spring scale. When the block is suspended in air, the scale reads 22.2N ; when it is completely immersed in water, What is the volume of the block
A fathom is a method for measuring lengths, usually reserved for measuring the depth of water. what is the distance in fathoms
q1. a solid rock is suspended in air by a spring scale. the rock has a mass of 2.50 kg. when the rock is dunked in
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 39.1 J, What is the kinetic energy of the system at the equilibrium point
A bullet is fired through a board 10.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. The initial speed of the bullet is 400 m/s and it emerges from the other side of the board with a speed of 30..
A laser beam of power 4.40 W and diameter 2.70 mm is directed upward at one circular face of a perfectly reflecting cylinder, which is made to "hover" by the beam's radiation pressure
q1. light passes through a 230 linesmm grating and is observed on a 1.0m wide screen located 1.3m behind the grating.
If the company is presently selling 45,000 units, but plans to spend an additional $108,000 on an advertising program, explain how many additional units must the company sell to earn the same net income it is now making?
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm . What is the acceleration of the object at t= 2.50 s ?
A cylindrical bucket, open at the top, is 28.0 cm high and 10.0 cm in diameter. How high will the water rise in the bucket
When its 75kW engine is generating full power, a small single engine airplane with a mass of 700 kg gains altitude at a rate of 2.5 m/s. what fraction of the engine power is being used to make the air plane climb.
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