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Question: Romeo takes a uniform 12 m ladder and leans it against the smooth wall of the Capulet residence. The ladder's mass is 19.0 kg, and the bottom rests on the ground 2.8 m from the wall. When Romeo, whose mass is 73 kg, gets 90% of the way to the top, the ladder begins to slip.
Part A- What is the coefficient of static friction between the ground and the ladder?
Show all work, use additional paper if necessary.
There is a 400 m wide river that flows west to east at 30.0m/min. Your boat moves at 100 m/min relative to the water no matter which direction you point it. Where on the other side of the river (north side) do you land if you point your boat perpendi..
A 0.246-kg toy car is powered by three D cells (4.50 V total) connected directly to a small DC motor. The car has an effective energy conversion efficiency of 36.1%, What is the average current supplied to the car\'s motor?
two charged particles are located along the x-axis 4uc at the origin 00 and -8uc at the point 2m0.a derive an equation
A long solenoid has 1400 turns per meter of length, and it carries a current of 2.2 A. Find the torque exerted on the coil
In his 1865 science fiction novel From the Earth to the Moon, Jules Verne described how three astronauts are shot to the Moon by means of a huge gun. According to Verne, the aluminum capsule containing the astronauts is accelerated by ignition of ..
The voltage and power ratings of a particular light bulb, which are its normal operating values, are 110 V and 60 W. what is the operating voltage of the bulb
A 2.0-kg mass moves with a speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after the collision
Calculate the longest wavelengths for light in the Balmer, Lyman, and Brackett series for hydrogen
a diverging lens with focal length f-31.5 cm is placed 14.0 cm behind a converging lens with f 20.0 cm. what is the
Charges, +q and -q are spaced 1 cm apart. This dipole is centered at the origin, and oriented along the y-axis. The electric field strength at the point (x,y)=(0cm, 10cm) is 360 N/C. What is the charge q? What is the electric field strength at the po..
A 0.150 T magnetic field B crosses the xyplane perpendicular to the x axis and at an angle of45.0° to the y axis. A square surfacewith sides of length 7.00 m lies mainly in the xyplane, but a 1.50 m section of it at one end is bent 90°in the negat..
A pendulum is made with a 4.00 kg mass suspended at the end of a 75.0 cm thin rod. What is the velocity of the pendulum as it passes through the origin
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