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Two carts with masses of 4.06 kg and 3.18 kg move toward each other on a frictionless track with speeds of 4.66 m/s and 3.21 m/s respectively. The carts stick together after colliding head-on. Find the final speed.
A circular radar operates at a frequency of 8 GHz and has a Diameter of 0.8 m. What is the angle at the half-power bandwidth
A particle p traveling with a speed of vpi = 3 m/s hits and scatters elastically from another particle N, initially at rest. Particle p is deflected through 90°, leaving with a speed of vpf = 2.7 m/s, and a mass mp = 2 kg. What is the speed of the..
an object is placed to the left of aa lens and a real image is formed to the right of the lens. the image is inverted relative to the object and is one half the size of the object. how far from the lens is the object
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. determine the temperature of the outlet air
A woman rides a carnival Ferris wheel at radius 16.00 m, completing 4.10 turns about its horizontal axis every minute. What are (a) period of the motion, and the magnitude of her centripetal acceleration at (b) highest point and (c) the lowest poi..
Light from the sun allows a solar cell to move electrons from the positive to the negative terminal, determine the emf of this solar cell
Calculate the speed of an electron after it accelerates from rest through a potential difference of 160 .
A 2-kg block rests on top of a table 80 cm from the floor. Find the potential energy of the book relative to the floor
What is the electric potential energy of the system. A man strikes a long aluminum rod at one end. Another man, at the other end with his ear close to the rod, hears the sound of blow twice (once through the air and once through the rod), with a 26..
A bowling ball rolls from rest down a straight 20m steel ramp and reaches a velocity of 20 m/s at the end of the ramp in 8 seconds. What is the bowling ball's original velocity
if a 1500kg car is driven in sand at 5m/s, the coefficient of rolling friction is 0.06. What is the propulsion force need tot keep the car moving
You're convinced the opera is almost over because of the large women singing a loud vibrato. What is the power coming from her voice
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