Answers created by qin
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The compressor on an air conditioner draws 50.0 A when it starts up. If the start up time is 0.45 s, how much charge passes a cross sectional area of the circuit in this time?
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Why can we assume that radio waves travel through air at the same speed as light?
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Question #0d3f7
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A ball with a mass of 12 kg moving at 7 m/s hits a still ball with a mass of 24 kg. If the first ball stops moving, how fast is the second ball moving? How much kinetic energy was lost as heat in the collision?
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Question #b54aa
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How do solve the following linear system?: x+2y=1 , -3x -8y = -9 ?
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Question #61e9a
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Question #97de6
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Question #ca019
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Question #9a436
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Question #ffd7b
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Question #cd241
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What is the last sublevel filled for carbon?
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Question #28dda
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Question #22bcc
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Why is tension added?
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How do you solve -x + y = 1 and x^2 +y^2 = 16 using substitution?
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Question #e4337
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What are the products of this reaction: H_3PO_4(aq) + NaOH(aq) ->?
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Question #e1576
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Question #98403
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Question #14d5b
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How are dipole - dipole forces created?
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Question #f0948
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A 2.20kg object which is 1.20m in diameter is rolling to the right without slipping on a horizontal floor at a steady 3rad/sec.
Then How fast its center is moving?
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Question #0139f
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What is the formula for the kinetic energy of a particle of mass m traveling at velocity v?
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Question #530ad
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Question #f7804
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If the length of a 23 cm spring increases to 46 cm when a 16 kg weight is hanging from it, what is the spring's constant?
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Question #82b13
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Question #ea432
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When a listener moves towards a stationary source of sound , the change in the pitch of sound occurs due to change in:
a) wavelength b)intensity c) speed of waves d) all of the them?
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Question #e4a84
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Question #849c2
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Question #8e958
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Question #19986
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Question #54ef3
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The force applied against an object moving horizontally on a linear path is described by F(x)=8-x. By how much does the object's kinetic energy change as the object moves from x in [ 0, 4]?
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The position of an object moving along a line is given by p(t) = cos(t- pi /3) +2 . What is the speed of the object at t = (2pi) /4 ?
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Question #8d30e
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How do you solve e^ { x + 4} = \frac { 1} { e ^ { 6} }?
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What are the sources of thermal energy in the Earth's interior?
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What is the moment of inertia of a pendulum with a mass of 2 kg that is 5 m from the pivot?
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How do seismic waves affect buildings?
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Question #e3f11
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Question #6287f
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A projectile is shot at an angle of pi/6 and a velocity of 5 m/s. How far away will the projectile land?
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What is the velocity of a wave if there are 25 waves in a span of 50cm and their frequency is 60 per second?
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Using the right-hand rule for forces, which way does this rod rotate?
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Question #ab81b
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Question #79485
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Question #0045c
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Question #78c29
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Question #9678a
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Question #cb24f
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Question #79da4
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If a 2 kg object is constantly accelerated from 0m/s to 15 m/s over 12s, how much power musy be applied at t= 3 ?
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How do you graph y = x - 4 by plotting points?
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Question #64914
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Question #de249
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Question #f8d33
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Time travels faster than light. Light has a mass of 0 and according to Einstein nothing can move faster than light if it doesn't have its weight as 0. Then why does time travel faster than light?
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Question #add4b