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Use the rotational form of Newton's second law to determine the angular acceleration of the ladder.
The ladder has a mass of 5.0kg and is 4.0m long. angular position 1.0 radians above the horizontal surface. Assume that the ladder has a uniform mass distribution and that the gravitational constant is 10.0N/kg.
Determine the angular acceleration of the 5.0kg, 4.0m-long ladder when it is at the 0.80rad position.
Two identical capacitors store different amounts of energy: capacitor A stores 2.7 x 10-3 J, Find the voltage across the plates of capacitor A
A 55-g bullet is fired from a rifle having a barrel 0.564 m long. Choose the origin to be at the location where the bullet begins to move. Then the force (in nektons) exerted by the expanding gas on the bullet is 13800 + 9500x - 23250x2, where x is i..
A particle with a charge of -60.0 nC is placed at the center of anon conducting spherical shell of inner radius 20.0 cm and outer radius 27.0 cm. The spherical shell carries charge by a uniform density of -2.95 µC/m3. A proton moves in acicular orbit..
A 0.70kg piece of lead at a temperature of 160C is dumped into 800mL of water at a temperature of 22C , How much heat flowed in this process
Determine what is the optimal speed (no friction required) for a van traveling around a banked curve that has a bank angle of 8.0o and a radius of 35 m
A speaker and two microphones are arranged inside a sealed container filled with neon gas. What is the speed of sound in neon gas
a charge of -3.89c is fixed at the center of a compass. two additional charges are fixed on the circle of the compass
1 a. show the quantum confinement effects in quantum wellsnbspb. outline the density of states for 3d 2d 1d and 0d
An airplane has a mass of 3.46 × 104 kg and takes off under the influence of a constant net force of 3.22 × 104 N. What is the net force that acts on the plane's 71.9-kg pilot
Find the magnitude and direction of the acceleration. A 2.60 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0° with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.19..
Tsunamis are fast-moving waves often generated by underwater earthquakes. In the deep ocean their amplitude is barely noticable, Find the waves frequency and period
a spacecraft is traveling with a velocity of v0x 6570 ms along the x direction. two engines are turned on for a time
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