Was Hurricane Sandy the worst in history? Hurricane Sandy (unofficially referred to as Superstorm Sandy) was the deadliest, the most destructive, and the strongest hurricane of the 2012 Atlantic hurricane season. The storm inflicted nearly $70 billion (2012 USD) in damage and killed 233 people across eight countries from the Caribbean to Canada. What made […]
Has a mare won the Kentucky Derby?
Has a mare won the Kentucky Derby? Winning Colors (1988), Genuine Risk (1980) and Regret (1915) are the only fillies to win the Kentucky Derby. Winning Colors and Genuine Risk are the only two fillies to compete in all three Triple Crown races. Could any horse beat Secretariat? Only four horses challenged Secretariat in the […]
Which type of friction is the hardest to overcome?
Which type of friction is the hardest to overcome? Static friction Do smooth tires have more friction? Under dry conditions on paved roads, a smooth tire gives better traction than a grooved or patterned tread because a larger area of contact is available to develop the frictional forces. These values represent a compromise between the […]
How do you get a bottle cap off without an opener?
How do you use a microscope to focus on objects on prepared slides?
How do you use a microscope to focus on objects on prepared slides? Viewing Prepared Slides Start by rotating the objective lens to lowest power. Place a slide on the stage, label side up, with the coverslip centered. On LOW POWER ONLY, use the coarse focus knob to get the object into focus. If you […]
Why do things look bigger under water?
What causes a solution to be conductive?
What causes a solution to be conductive? When a solution conducts electricity, the charge is carried by ions moving through the solution. Ions are atoms or small groups of atoms that have an electrical charge. Some ions have a negative charge and some have a positive charge. Pure water contains very few ions, so it […]
Which factor does not affect photon?
Which factor does not affect photon? According to photon, they can not be affected by electric and magnetic fields. But EM waves are affected by external electric and magnetic fields. Why ? According to theory of properties of photon, they can not be affected by electric and magnetic fields and it is neutral. Is velocity […]
Which of the following will increase the energy of a photon?
Which of the following will increase the energy of a photon? The energy of the photon depends on its frequency (how fast the electric field and magnetic field wiggle). The higher the frequency, the more energy the photon has. As the frequency of a photon goes up, the wavelength () goes down, and as the […]
What are the limitations of classical mechanics?
What are the limitations of classical mechanics? One experimental phenomenon that could not be adequately explained by classical physics was black-body radiation. Hot objects emit electromagnetic radiation. The burners on most electric stoves glow red at their highest setting. What are the inadequacy of classical mechanics? The inadequacy of Classical Mechanics are : It does […]