Category: Physics

Does melting point increase across a period? Melting and boiling points increase across the three metals because of the increasing strength of their metallic bonds. The number of electrons which each atom can contribute to the delocalized “sea of electrons” increases. The atoms also get smaller and have more protons as you go from sodium […]

Which rule of Fleming can be used to determine the direction of induced 1 current in the secondary coil if current in the primary coil is changed? Fleming’s Right hand rule – If the forefinger, second (central) finger and thumb of the right hand are stretched at right angles to each other, with the forefinger […]

What is the egg drop problem? Egg dropping refers to a class of problems in which it is important to find the correct response without exceeding a (low) number of certain failure states. In a toy example, there is a tower of n floors, and an egg dropper with m ideal eggs. What does Ojo […]

What force is needed to give a 2000 kg car? The net force needed is 4000 N . How long will it take to walk 10km? 90 minutes to two hours How many minutes is 25 miles? It is possible to go 25 miles on the interstate in 30 minutes. It can take anywhere from […]

What do u mean by runoff? noun. something that drains or flows off, as rain that flows off from the land in streams. What is difference between runoff and streamflow? Streamflow, or channel runoff, is the flow of water in streams, rivers, and other channels, and is a major element of the water cycle. It […]

Which router is elected as the DR? Two rules are used to elect a DR and BDR: router with the highest OSPF priority will become a DR. By default, all routers have a priority of 1. if there is a tie, a router with the highest router ID wins the election. What will an OSPF […]

How far should wires be kept from the metal vent connector on a gas appliance? SIX INCHES Which one of the following is a reliable indicator of service amperage? White wires can sometimes act as black wires in 240 volt circuits. Which one of the following is a reliable indicator of service amperage? The answer […]

How many minutes does it take to drive 16 miles? There are 60 seconds in a minute so 0.4 of 60 is 24. In plain English, It would take you 38 minutes and 24 seconds at 25 miles an hour to drive 16 miles. How many minutes does it take to drive 17 miles? the […]

What is the difference between organ and organ system? An organ is a structure made of two or more tissues that work together for a common purpose. The most complex organisms have organ systems. An organ system is a group of organs that act together to carry out complex, interrelated functions, with each organ focusing […]

What is magnet and types? Permanent magnets are magnets that retain their magnetism once magnetized. Temporary magnets are materials magnets that perform like permanent magnets when in the presence of a magnetic field, but lose magnetism when not in a magnetic field. Below we breakdown the various types of magnet available. What are the main […]