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A 28 cm tall object is placed in front of a concave mirror with a radius of 33 cm. The distance of the object to the mirror is 84 cm. Calculate the focal length of the mirror. Calculate the image distance. Calculate the magnification of the image (Remember, a negative magnification corresponds to an inverted image). Calculate the magnitude of the image height.
A standing wave is in a open end tube. The tube length is 1.80m, determine the fundamental frequency
a block weighing 16.8 N, which can slide without friction on an incline at angle ? = 45.0°, is connected to the top of the incline by a massless spring of spring constant 125 N/m. With what period does it oscillate
question1the position of a particle moving along an x axis is given by x 12t2 - 2t3 where x is in meters and t is in
A flash light is at the bottom of a 2m deep pool. Find the critical angle of incidence for the light that is trapped or reflected back
You are holding a 5 kg dumbbell straight out at arm's length. Assuming your arm is 0.62 m long, what torque is the dumbbell exerting on your shoulder
A 240-V dc motor has an armature whose resistance is 1.10? . When running at its operating speed, it draws a current of 16.0A, What is the back emf of the motor when it is operating normally
q1. a skier starts from rest at the top of a hill that is inclined at 12.0deg with the horizontal. the hillside is
Your projectile launching system is partially jammed. It can only launch objects with an initial vertical velocity of 42.0 m/s, though the horizontal component of the velocity can vary.
Four objects are situated along the y axis as follows: a 2.13 kg object is at +3.28 m, a 3.34 kg object is at +2.40 m, Where is the center of gravity of this system
An initially uncharged air-filled capacitor is connected to a 4.01-V charging source, Find the capacitor's potential difference and charge after the insertion
What is the moment of inertia of the object about an axis at the center of mass of the object, What is the moment of inertia of the object about an axis at the left end of the rod
A cubic box of volume4.2multiplied by10-2m3is filled with air at atmospheric pressure at 20°C. What is the net force on each side of the box
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