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A fisherman in a boat is using a "10-lb A fisherman in a boat is using a "10-lb test" fishing line. This means that the line can exert a force of 45N without breaking.
(a) How heavy a fish can the fisherman land if he pulls the fish up vertically at constant speed?
(b) If he accelerate s the fish upward at 2m/s², what maximum weight fish can he land?
(c) Is it possible to land a 15-lb trout on a 10-lb test line? Why or why not?
A skater is initially spinning at a rate of 13.1 rad/s with a rotational inertia of 2.54 kg·m2 when her arms are extended. What is her angular velocity after she pulls her arms in and reduces her rotational inertia to 1.64 kg·m2?
The homogeneous 300-kg cylinder is pulled over the 100-mm P step by the horizontal force P. Find the smallest Pthat would raise the cylinder off the surface at A. Assume sufficient friction at corner B to prevent slipping.
A rocket of mass 4.5x105kg is in flight. Its thrust is directed at an angle of 49.0degrees above the horizontal and has a magnitude of6.30 x 106 N. Find the magnitude and direction of the rockets acceleration. Give thedirection as an angle above t..
One mole of an ideal diatomic gas is expanded at constant temperature from a pressure of two atmospheres, What are the final temperature and pressure of the gas
A 800kg car pushes a 1900kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 5000N . Rolling friction can be neglected.
A man of 50.0 kg mass is in equilibrium among two parallel plates. The man is charged up to + 130. mC of charge. The plates are 1.75 meters apart. An electron initially at rest is accelerated among two parallel plates 2.000 cm apart. The area among t..
A solid sphere of radius R is placed at a height of 37cm on a 15o slope. It is released and rolls, without slipping, to the bottom. From what height should a circular hoop of radius R be released
A playground merry-go-round has a radius of 3.0 m and a rotational inertia of 603 kg. m2. It is initially spinning at 0.80 rad/s when a 20-kg child crawls from the center to the rim. When the child reaches the rim, What is the angular velocity of ..
The density of liquid water at the boiling point (100 degrees Celsius) is 958 kg m-3. By what factor does the volume of the water increase
6 - two equal masses of charge 36 nC each are suspended at the end of two 1-m strings of negligible mass, The ropes make and angle of 5 with respect to each other
Consider the bead threaded on a circular hoop of Example 7.6 (page 260), working in a frame that rotates by the hoop. Discover the equation of motion of the bead, and check that your result agrees with Equation (7.69). Using a free-body diagram, desc..
A block of mass 1.2 kg slides along a frictionless horizontal surface with an initial speed of 5.2 m/s. Use the work-energy theorem to determine the coefficient of kinetic friction between the block and the rough surface
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