Answers edited by MetaPhysik
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Question #fe66b
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If there is a nonzero net force acting on an object, what is happening to the motion of that object?
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What is the frequency of the body at the centre of the earth?
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Two smaller spherical raindrops collide and merge into one larger spherical raindrop. What is the radius and surface energy of this larger drop, compared to the two smaller ones?
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After 2 seconds of flight,the velocity of a projectile is (12i-4j)m/s,Find its speed and elevation at moment of projection?
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Which of the following is the image of the number in the mirror?
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If an electron is placed in an electric field with a potential difference of (1.35x10^2) V, the maximum speed the electron can attain is?
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Angular momentum of a particle rotating with a central force is constant due to..??
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The rate of rotation of a solid disk with a radius of #2 m# and mass of #2 kg# constantly changes from #5 Hz# to #9 Hz#. If the change in rotational frequency occurs over #4 s#, what torque was applied to the disk?
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Can someone verify my answer?
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Question #7cd1e
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Question #ccb06
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Question #68b86
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A #5# #L# container holds #8 # mol and #5 # mol of gasses A and B, respectively. Groups of five molecules of gas B bind to two molecules of gas A and the reaction changes the temperature from #100# #K# to #240# #K#. How much does the pressure change?
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A boy is sat at a semisphere with a ray of 18.4 m. He starts sliding. On what height will the boy loose contact with the sphere? There is no friction.
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An object is thrown with half of the kinetic energy needed to free an object from the attraction of the earth. How far will the object reach from the earth's surface?
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An object's two dimensional velocity is given by #v(t) = ( t^2 +2t , cospit - 3t )#. What is the object's rate and direction of acceleration at #t=1 #?
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Question #108b1
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If the earth were to suddenly contract to#(1/n)th# of its present radius without any change in its mass, the duration of the new day will be nearly (in hours) ??
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Question #39ff1