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A 480-kg sailboat has an acceleration of 1.17 m/s2 at an angle of 59.3 ° north of east. Find
(a) the magnitude and
(b) the direction of the net force that acts on the sailboat.
A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.82 of the person's regular weight, Find the direction of the acceleration
A certain car is capable of accelerating at a rate of 0.52 m/s2. How long does it take for this car to go from a speed of 27 mi/h to the speed of 33mi/h.
A weather vane at first at rest has a moment of inertia of 0.111 kg • m2 about its axis of rotation. A 53.0 g piece of clay is thrown at the vane and sticks to it at a point 19.5 cm from the axis. The initial velocity of the clay is 20.0 m/s, directe..
Calculate the induced emf in the conductor and if the total resistance in the conductor is R what is the magnitude of the induced current.
Two motorcycles are traveling in opposite directions at the same speed when one of the cyclists blasts his horn, what is the speed of the motorcycles
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
Illustrate what is the general rule for recognizing property taxes as revenue? Explain how are property taxes accounted for differently in the governmental fund statements as opposed to the government wide statements?
Calculate the net work done by the force of friction. A 1.50 m-long, 530 g rope pulls a 7.00 kg block of ice across a horizontal, frictionless surface. The block accelerates at 1.90 {rm m}/{rm s}^{2}. How much force pulls forward on (a) ice (b) rop..
Expalin by how much does the potential energy of a 18.0-kg child increase when the child climbs a normal staircase to the second floor?
A dry cell does 7.5. J of work through chemical energy transfer 5 C between terminals of the cell. What is the electric potential between the two terminal.
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall. (a) What is the mirror's focal length? (b) How tall is the pencil's image if the pencil is move..
The International Space Station ISS (the mass is approximately 990,000 pounds) orbits the earth at an altitude of approximately 250 miles above the surface of the earth.
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