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A cube of mass 2.5 kg and 12 cm on a side is at the bottom of a pool of water resting on a scale.
a) What does the scale read in N? A massless balloon full of air is attached to the object (assume the air is at atmospheric pressure).
b) What is the radius of the balloon such that the scale reads 0 N?
A person pulls a toboggan for a distance of 27.5 m along the snow with a rope directed 26.2 ° above the snow. The tension in the rope is 92.3 N. How much work is done on the toboggan by the tension force
A thin airfoil has a circular-arc camber line with a maximum camber of 0.025 chord. Determine the theoretical pitching-moment coefficient and indicate methods.
A uniform disk with a mass of 840 g and radius 17.0 cm is rotating on frictionless bearings with an rotational speed of 18.0 Hz, What is the new rotational speed of the disk
a flat sheet ofcrown glasshas a thickness of 2.2 cm. it is on top of a flat sheet of crystalline quartz that has a
Two plane mirrors stand facing each other, 3.23 m apart, and a woman stands between them. The woman faces one of the mirrors from a distance of 1.30 m and holds her left arm out to the side of her body with the back of her hand facing the closer m..
Initially, a particle is moving at 4.90 m/s at an angle of 35.0o above the horizontal (+x axis). Two seconds later, its velocity is 5.67m/s at an angle of 50.00 below the horizontal. What was the particle's average acceleration during these 2.00 seco..
The resonant frequency of a series RCL circuit is 13.8 kHz. The inductance and capacitance of the circuit are each quadrupled. What is the new resonant frequency
In an LC circuit with an inductance of 40 mH and capacitance of 1.2 mF, What is the maximum energy stored by the inductor
While riding on an elevator descending with a constant speed of 2.4 m/s, you accidentally drop a book from under your arm, How long does it take for the book to reach the elevator floor, 1.4 m below your arm?
A (17cm X 17cm) square loop lies in the xy plane The magnetic field in this region of space is B=(0.31t i + 0.55t^2 k)T where t is in seconds.
please provide step by step process for finding answers.1.a rail car of mass 4500 kg is moving with a velocity of 12.4
Stone with a mass of 0.800 {rm kg} is attached to one end of a string 0.900 {rm m} long. The string will break if its tension exceeds 65.0 {rm N}. The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string rem..
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