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An equilateral triangle 10.0 m on a side has a 1.00 kg-mass at one corner, a 2.00- kg mass at another corner, and a 3.00- kg mass at the third corner.
A) Find the magnitude of the net force acting on the 1.00-kg mass.
B) Find the direction of the net force acting on the 1.00- mass.
In a simplified model of a hydrogen atom, the electron moves around the proton nucleus in a circular orbit of radius 0.53 × 10^?10 m, Determine the period of the circular motion
A concave mirror has a radius of curvature of 24cm. Determine the object position for which the resulting image is upright, draw a ray diagram to determine the position of the image
The slant shear test is widely accepted for evaluating the bond of resinous repair materials to concrete; it utilizes cylinder specimens made of two identical halves bonded at 30°.
On a drive from your home to town, you wishto average 33.6 mph. The distance from yourhome to town is 90miles. However, at 45miles(half way), you find you have averaged only25.2 mph.
A 0.25 kg puck is initially stationary on an ice surface with negligible friction. At time t = 0, a horizontal force begins to move the puck. The force is given by F= (12.0 - 3.00t^2)i, with F in newtons and t in seconds, and it acts until its mag..
The area of a typical eardrum is about 5.0x10?5 m2. What is the sound power (energy per second) incident on the eardrum at the threshold of hearing
A truck is carrying a steel beam of length16.0m on a freeway. An accident causes the beam to be dumped off the truck and slide horizontally along the ground at a speed of22.0m/s. The velocity of the center of mass of the beam is northward while th..
q1. what are the average velocity and acceleration of the tip of an hour hand of a clock in the interval of noon to
A 28.0 kg block is connected to an empty 2.00 kg bucket by a cord over a frictionless pulley, Calculate the mass of the sand added to the bucket.
A wire carrying a 2A current is placed at an angle of 60 degrees with the respect to a magnetic field of strength 0.2T. obtain the magnitude of the magnetic force acting on the wire
A Wm = 890-N man sits on top of a stepladder of negligible mass that rests on a frictionless floor as shown in the figure below. Calculate the tension in the cross brace
A bucket filled with water has a mass of 54 kg and is hanging from a rope that is wound around .050 m radius stationary cylinder. if the cylinder does not rotate and bucket hangs straight down, what is the magnitude of the torque the bucket produc..
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