Category: Physics

What is the equation to find the final velocity? Final velocity (v) of an object equals initial velocity (u) of that object plus acceleration (a) of the object times the elapsed time (t) from u to v. Use standard gravity, a = 9.80665 m/s2, for equations involving the Earth’s gravitational force as the acceleration rate […]

What instrument is the rover carrying? It carries seven primary payload instruments, 19 cameras, and two microphones. The rover also carried the mini-helicopter Ingenuity to Mars, an experimental aircraft and technology showcase that made the first powered flight on another planet on April 19, 2021. What technologies does NASA use to explore Mars? Like NASA’s […]

What is the difference between primary coil and secondary coil? Winding – Transformers have two windings, being the primary winding and the secondary winding. The primary winding is the coil that draws power from the source. The secondary winding is the coil that delivers the energy at the transformed or changed voltage to the load. […]

What is the purpose of PKI? The purpose of a PKI is to facilitate the secure electronic transfer of information for a range of network activities such as e-commerce, internet banking and confidential email. What is a PKI good for? A digital certificate allows its owner to encrypt, sign, and authenticate. Accordingly, PKI is the […]

What are 3 methods of energy transfer? Heat can be transferred in three ways: by conduction, by convection, and by radiation. Conduction is the transfer of energy from one molecule to another by direct contact. Can a human charge a phone? “You can charge your phone using your body electricity by making a capacitor using […]

How has technology changed our life? Over the years, technology has revolutionized our world and daily lives. Technology has created amazing tools and resources, putting useful information at our fingertips. With all of these revolutions, technology has also made our lives easier, faster, better, and more fun. How does technology affect us positively? These are […]

Is it OK to walk 10 km a day? If you’re just going for general health, then yes, walking 10km every day is a good workout, whether you do it all at once or in chunks throughout the day. If you’re very fat and/or out of shape, then walking is a great exercise to help […]

What causes sudden brake failure? The most common cause of brake failure is loss of brake fluid. The fluid transfers the force you exert by pushing down on the brake pedal to the brake disks that slow and stop your car’s wheels. A bad brake cylinder can cause your braking system to lose power. A […]

What is the era called today? Cenozoic How long is a era? An era in geology is a time of several hundred million years. It describes a long series of rock strata which geologists decide should be given a name. An example is the Mesozoic era, when dinosaurs lived on the Earth. An era is […]

Does the spleen destroy white blood cells? It is about as big as your fist. The spleen is part of your lymphatic system, which fights infection and keeps your body fluids in balance. It contains white blood cells that fight germs. Your spleen also helps control the amount of blood in your body, and destroys […]