Answers created by Mark C.

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• A builder buys land that is 24.5 acres. He then buys another piece of land that is 0.62 times the size of the other. How big is the second piece of land?
  
• What is an almost infinite reservoir for electric charge?
  
• What would be the effect of connecting the battery the way round?
  
• How could a strong acid have the same pH as a weak acid?
  
• When using the Hofmann Voltameter, which of the two gases collected are positively or negatively charged?
  
• How to express the mass of a proton and an elektron in MeV/c²? Thank you!
  
• A transverse wave propagates along the positive direction of the axis x. Calculate??
  
• A car is backing up at 3 m/s sees a dog and slams on his brakes to stop over a period of 2 seconds. Is this negative or positive acceleration?
  
• If an unbalanced force act on a body in which direction acceleration is produced?
  
• Do polycrystalline solids have short range order?
  
• A 200 kg roller coaster goes down its first drop at 100m. What is the coasters speed at the bottom of the hill ?
  
• Question #9d8a3
  
• Can someone help me with this kinetic energy problem?
  
• Question #1be18
  
• How to get the electric power in each resistor when there's only one voltage in a circuit?
  
• Question #a5910
  
• Question #1fd99
  
• Question #50ae6
  
• How similar or different are the magnetic field patterns produced by two bar magnets when; a.) like poles are facing each other? b.)when unlike poles are facing each other?
  
• What are Gs? And why do they increase with speed?
  
• Question #4be03
  
• When the frequency of a sound wave is increased, which of the following decrease? (1)amplituted (2)period (3)wavelength
  
• Question #5dad8
  
• How much do you have to increase the amplitude of a wave to cause its energy to quadruple?
  
• The voltage of primary and secondary coil of transformer is same?And current is same or not?
  
• Which do you think is a more difficult addiction to break: one in which a person is physically dependent on a drug, or one in which a person is psychologically dependent on a drug?
  
• Stars appear to move from east to west [or] west to east [or] south to north [or] north to south ?
  
• Explain thermal expansion of water?
  
• Question #66d4d
  
• Question #2a88b
  
• IF you have two objects with different masses collide hitting each other, will the force between them be the same or different when they hit?
  
• How do you calculate the resultant of the following vectors 4.0N and 10.0N with an angle of 0 degrees between them?
  
• How is wave refraction measured?
  
• Please find the total flux passing through the shaded region?
  
• What does wave refraction cause?
  
• Question #3e2a2
  
• Question #eda55
  
• Question #5bcc7
  
• Question #5213a
  
• How many kinetic energy is possessed by a 3.5 kilograms cart traveling at 2.5 meters per second?
  
• Question #582fb
  
• Question #2ba09
  
• Question #3b811
  
• Question #d72e7
  
• Question #680c7
  
• Question #9e4d2
  
• Question #bf49c
  
• Why does the binding energy per nucleon increase during nuclear fission and nuclear fusion?
  
• Question #c0329
  
• Question #2ac72
  
• How the experimental mass of neutrino is caluclated as it wont intereact with any type of matter?
  
• Question #b5445
  
• Stuck with physics ?
  
• Question #a46e9
  
• Question #66793
  
• What makes the Earth unique among the planets of the Universe?
  
• Question #882d4
  
• 3. why can,t the image formed in a plane mirror be projected onto a screen? Explain.
  
• Question #8b2dd
  
• What would the mass of a physics textbook is closest to?
  
• Question #6fdf4
  
• How does a convergent boundary occur?
  
• Question #fe090
  
• Question #f5fed
  
• Question #659f6
  
• Question #c1b6a
  
• Question #983f9
  
• What are the contributions of the Alchemists to the science of chemistry?
  
• What is the large-scale structure of the universe? How did astronomers arrive at this structure?
  
• What does the large-scale structure of the universe look like?
  
• Question #578f9
  
• How far can a beam of light travel if there is no obstruction in its path?
  
• Question #23f3b
  
• Why can standing wave patterns only occur at specific wavelengths and frequencies?
  
• How do particles move when a transverse wave passes through a medium?
  
• Question #530c4
  
• Question #c770e
  
• Why does the binding energy per nucleon suddenly decrease between helium and lithium?
  
• In an atom what stops the electrons from being pulled into the nucleus due to electrostatic attraction? Why are electrons able to stay in orbits without being flung off?
  
• What is Hubble's Law? What is it used for?
  
• Question #45a85
  
• Question #1a52d
  
• You place an empty pan directly on top of a stove burner, and turn on the burner. Soon, the temperature of the pan increases. How is heat transferred from the burner to the pan?
  
• Question #d27c7
  
• Question #c4320
  
• How did the Greeks prove that the Earth is round?
  
• Question #0a47a
  
• Question #7f91e
  
• What does the title of the short story "Tomorrow and Tomorrow and So Forth" by John Updike symbolize? *Urgent question*
  
• Question #ed863
  
• Is our galaxy rotating about the supermassive black hole at its centre?
  
• Question #57f3c
  
• Question #feb7e
  
• You are holding a rock tied to a string, which is an example of a pendulum. Identify and explain the proper the term for each part of the pendulum in this example?
  
• What is dark energy?
  
• Question #a42c1
  
• Question #14f5a
  
• What are some examples of standing waves?
  
• People sometimes have difficulty distinguishing between scientific explanations of common events and other kinds of explanation ( superstition, prejudices, magic, etc.). Which of the following best helps to identify a scientific explanation?
  
• Question #05a3c
  
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