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(a) A very powerful vacuum cleaner has a hose 2.69 cm in diameter. With no nozzle on the hose, what is the weight of the heaviest brick that the cleaner can lift?
(b) A very powerful octopus uses one sucker of diameter2.69 cm on each of the two shells of aclam in an attempt to pull the shells apart. Find the greatestforce the octopus can exert in salt water 32.3 m deep.
A certain automobile engine delivers 2.39 104 W (32.0 hp) to its wheels when moving at a constant speed of 25.0 m/s ( 56 mi/h). What is the resistive force acting on the automobile
A lens placed at the origin with its axis pointing along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object
Your roommate is working on his bicycle and has the bike upside down. He spins the 52.0 -diameter wheel, What is the pebbles acceleration
Two capacitors, one 12.0 µf and the other of unknown capacitance, are connected in parallel across a battery of EMF 9.0 V. What is the unknown capacitance
Two thin lenses with a focal length of magnitude 19.5 cm, the first diverging and the second converging, are located 14.6 cm apart. What is the height of the final image
An 79-kg stuntman jumps from a window of a building situated 33 m above a catching net. Assuming that air resistance exerts a 100-N force on the stuntman as he falls, identify his velocity just before he hits the net.
A 50 kg rock climber accidentally falls from the side of a rock and freefalls until she is stopped by her 9 m saftey rope. what was the average force felt by the rock climber
For the neutral chlorine atom 35,17 CL, determine the mass number and number of protons
in a particular region of the earth's atmosphere, the electric field above the earth's surface has been measured to be 153 N/C downward at an altitude of 241m, Calculate the volume charge density of the atmosphere
A constant force is applied to an object, causing the object to accelerate at 6 m/s^2?, What will the acceleration be if the force is halved
An rms voltage of 91 V is applied to a purely resistive load of 6.00 . Find values for the maximum voltage applied and the rms current supplied
A 50 kg bag of sand at 25 C falls 10 m onto the pavement and comes to an abrupt Stop. What is the change in internal energy in the sand
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