Answers created by Matt

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• Question #d2b05
  
• Question #95e2e
  
• Question #42234
  
• A particle is moving along a circular path of radius 5m with uniform speed 5m/s. What will be the average acceleration when the particle completes half revolution???
  
• Question #65b41
  
• If a plane travels P miles in Q hours, how long will it take to travel R miles?
  
• Question #5392f
  
• Question #e1fc3
  
• The cable holding an elevator would break if the tension in it exceeds 25000N. If the 480 kg elevator carries a load limit of 24 passengers (ave mass is 70kg per person) what is the max possible upward acceleration of the elevator without breaking cable?
  
• Why, according to Newton's laws, can superman not fly?
  
• Question #905da
  
• If the horizontal circular path the riders follow has a 7.00 m radius, at how many revolutions per minute will the riders be subjected to a centripetal acceleration whose magnitude is 2.25 times that due to gravity?
  
• Question #993d6
  
• Question #1f24c
  
• Question #afcbc
  
• Can we say that Tension is also a form of normal reaction? as whenever we apply force on a wire or rope,it applies counter force on us which is tension,which is perpendicular to us.
  
• A mass of 35kg inside a 15kg wagon is pulled by a man across a sandy beach with a coefficient of .25, if the pulling force is 250N, at an angle 25 degrees above the horizontal, how do you determine the net force?
  
• Question #c4c11
  
• Question #5a5fa
  
• Question #117c1
  
• Which of these is an example of deceleration?
  
• Question #ae164
  
• Question #0fcfb
  
• Question #9b20e
  
• Falling objects ____due to the force of ____pulling them toward the Earth?
  
• Question #703f0
  
• Question #c7fb7
  
• Question #38ca2
  
• Question #551ee
  
• Question #3d83f
  
• Question #4cf04
  
• Question #1451d
  
• Question #cdc6c
  
• Question #a5f72
  
• Question #8b990
  
• Question #0cdf5
  
• Question #a81ec
  
• (a) How many electrons would have to be removed from a penny to leave it with a charge of #1.0×10^-7 C#? (b) To what fraction of the electrons in the penny does this correspond? [A penny has a mass of 3.11g; assume it is made entirely of copper.]
  
• What is a pitch (in sound)?
  
• Question #5b47d
  
• Question #2f5be
  
• How would you determine the magnitude of the magnetic field and the speed of #q_2#?
  
• Question #4e709
  
• A water tank has the shape of an upside-down cone with radius 2 m and height 5 m. The water is running out of the tank through a small hole at the bottom. What is the rate of change of the water level when flow-out reads #3 m^3/min# at height, #h= 4 m#?
  
• Question #68a3b
  
• Question #42a96
  
• Question #46f0c
  
• Question #77d2f
  
• Question #0f173
  
• Question #4e99f
  
• Question #b6d23
  
• Question #c1aad
  
• A roller coaster has a hill that is #20m# tall. If the roller coaster cart is moving at #20m/s# as it enters the bottom of the hill, how do you answer the following questions?
  
• Question #db371
  
• Question #99c13
  
• Question #1fbad
  
• Question #8eb7a
  
• Question #0eef1
  
• Question #1dc8f
  
• How do you solve: 3^(x/3) = 5^(x+3) using logs?
  
• Question #3fd94
  
• Question #08ab9
  
• Question #ab711
  
• Question #42282
  
• Question #ce495
  
• Question #123a1
  
• A person stands 40 m from a flagpole. With a protractor at eye level, he finds the angle at the top of the flag pole with the horizontal is 25.0 degrees. How high is the flag pole? The distance from his feet to his eyes is 1.8 m.
  
• What is the comparison between a white dwarf and a neutron star? Which of these stellar corpses is more common? Why?
  
• Two cars leave from the same location but travel in opposite directions. The first car travels an average of 50 mi/hr and leaves 15 min before the second car, which travels an average of 55 mi/hr. How long each car travel before they are 200 mi apart?
  
• Question #1bc4e
  
• Question #1c2bd
  
• Question #812a5
  
• Question #090a5
  
• Question #cea14
  
• Total Internal Reflection?
  
• What is the direction of the magnetic force on the electron? What is the magnitude of the magnetic force on the electron? What is the direction of the magnetic force on the proton? What is the magnitude of the magnetic force on the proton?
  
• Question #e5d86
  
• Question #c76b8
  
• Question #9c493
  
• Question #e7fac
  
• Question #16ab1
  
• Question #5c358
  
• How many oxygen atoms in a mass of #132*g# with respect to carbon dioxide?
  
• Question #035a0
  
• Question #e3da7
  
• Question #e658c
  
• Question #0de15
  
• How do you determine the minimum stopping distance of a motorcycle, given its velocity and the kinetic coefficient of friction?
  
• Can you describe the difference between the coefficient static friction and kinetic friction by using examples?
  
• Question #1f5a3
  
• Question #86bf8
  
• Question #e3f89
  
• Question #0a1d2
  
• Question #107c1
  
• Question #d9e40
  
• Question #ee1f1
  
• Question #ec6e6
  
• Question #a9b2d
  
• What is the mass of a dog that weighs 139.16 N on Earth?
  
• How many 3.6 Ω resistors must be connected in parallel to create an equivalent resistance of 0.2 Ω?
  
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