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(a) A very powerful vacuum cleaner has a hose 3.00 cm in diameter. With the end of the hose placed perpendicularly on the flat face of a brick, what is the weight of the heaviest brick that the cleaner can lift?
N
(b) An octopus uses one sucker of diameter 3.00 cm on each of the two shells of a clam in an attempt to pull the shells apart. Find the greatest force the octopus can exert on a clamshell in salt water 31.8 m deep.
A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc = 20.8 m/s, Determine the initial speed of the truck and the final speed of the wreckage
A 30.0g ball of clay traveling east at 1.00m/scollides and sticks together with a 30.0g ball of clay traveling north at 6.00m/s
One component of a magnetic field has a magnitude of 0.028 T and points along the +x axis, Find the magnitude of the net magnetic force that acts on the particle
A plate of glass with parallel faces having a refractive index of 1.57 is resting on the surface of water in tank. A ray of light coming from above in air makes an angle of incidence 34.5 degrees with normal to the top surface of the glass.
A person with a mass of 81Kg and a volume of .089M^3 floats quietly in water. What is the volume of the person that is above water
A tin can is filled with water to a depth of 38cm . A hole 20cm above the bottom of the can produces a stream of water that is directed at an angle of 30? above the horizontal
A force of 13.3 N pulls horizontally on a 0.9 kg block that slides on a rough, horizontal surface, What is the acceleration of the blocks and What is the tension in the string
A 700 N window washer is standing on a uniform scaffold supported by a vertical rope at each end. The scaffold weighs 200 N and is 3 m long. what is the force in each rope when washer stands 1 m from one end.
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 64-kg skier is going down a slope oriented 36° above the horizontal. Determine the pressure that each ski exerts on the snow
Under certain conditions, the human body can withstand an acceleration of 10 g%u2019s. What is the net force (in Newtons) acting on a person
What is the y component (in Newtons) of F
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