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A wire has a resistance of 60.0 ohms, and is bent into a squareloop with sides of length 15.0 cm. The loop is perpendicularto a magnetic field which is changing at a rate of7.000e-3 T/s. What is the current induced in thewire?
A sphere, a solid cylinder and a thin-walled hollow cylinder all have the same mass and radius. Which one reaches the bottom of the incline first
A metal ball with a mass of 3.81·10-6 kg and a charge of +5.21 mC has a kinetic energy of 4.77·108 J. how close will it come to the plane before stopping
The half-life of Uranium(238 upper index 92 lower index) against alphy decay is 4.5x10^9 yr. How long does it take for seven-eigths of a sample of this isotope to decay
A 32.8 g piece of aluminium at 72 is dropped into a cavity in an extremely large block of ice at 0. How much ice mice does aluminium piece melt.
A clown is using a concave makeup mirror to get ready for a show and is 26 cm in front of the mirror. The image is 70 cm behind the mirror. (a) Find the focal length of the mirror. (b) Find the magnification.
A weight is attached to one end of a lightweight spring held at other end. When the weight comes to rest, the spring is stretched 20 cm beyond its natural length. In another condition the weight is completely immersed in water.
two resistors connected in series with each other and a 17 v battery are connected in a loop. the voltage drop across
A physics student playing with an air hockey table (frictionless surface) , What is the angle of inclination
A 77.5-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is accelerating upward with an acceleration of 2.46 m/s2
the strength of interatomic bonding in two elemental crystalline materials is approximately the same but material 1 is
A 1200 kg ore cart is rolling at 10.8 m/s across a flat surface. A crane dumps 493 kg of ore (vertically) into the cart. How fast does the cart move after being loaded with ore? Assume that frictional forces with the flat surface may be neglected.
At time t=0, a 2650kg rocket in outer space fires an engine that exerts an increasing force on it in the + x direction. What impulse does the engine exert on the rocket during the 1.50s interval starting 2.00s after the engine is fired
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