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(a) A very powerful vacuum cleaner has a hose 2.95 cm in diameter. With no nozzle on the hose, what is the weight of the heaviest brick that the cleaner canlift?
N(b) A very powerful octopus uses one sucker of diameter2.95 cm on each of the two shells of aclam in an attempt to pull the shells apart. Find the greatestforce that the octopus can exert in salt water 32.3 m depth.
N
A circuit containing a 8 H inductor has an alternating current supplied to it. If Irms is 5.6 A and Vp is 25 V, find the frequency of the signal
q1. a spring stiffness 900 nm and relaxed length 1m stands vertically on a table. you hold a block of mass 1 kg barely
q1. gamma-ray busters are objects in the universe that emit pulses of gamma rays with high energies. the frequency of
An AC voltage with an amplitude of 116 V is applied to a series combination of a 151 ?F capacitor, a 129 mH inductor, and a 23.4 ? resistor. Calculate the power factor at this frequency
A ceiling fan is turned on and a net torque of 1.6 N·m applied to the blades. What is the angular acceleration of the blades
A 2.4-kg block is dropped from a height of 5.0 m onto a spring of spring constant 3955 N/m. When the block is momentarily at rest, the spring has compressed by 25 cm.
A shop sign is suspended from a uniform pole fixed to a wall and supported by a cable. The mass of the sign is 66 kg, and it's attached to the pole 2.1 m from the wall. The pole's mass is 18 kg and its length is 2.5 m.
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
A woman with mass of 55 kg stands at the rim of a horizontal table having a moment of inertia of 410 kg m2 and a radius of 1.6 m. How much work does the woman do ON THE TABLE to set it into motion
A 1.6kg eagle flying 30m/s west grabs a 0.8kg pelican going 30m/s east. What is the final speed of the eagle and pelican together
The small piston of a hydraulic lift has a cross-sectional area of 3.30 cm2, and its large piston has a cross-sectional area of 197 cm2. What downward force of magnitude F1 must be applied to the small piston for the lift to raise a load whose weight..
A circular coil, with radius of 10 cm, and 25 turns, rotates in a constant magnetic field of strength 2.4 T, If the magnetic field that the coil is in points down the page, which direction does the coil rotate
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