Explain the advantage of operating a motor vehicle that is 20% efficient instead of one that is 10% efficient

How kind of cells have cell wall

You measure its length as it passes. by how many millimeters do you determine the rod has contracted?

Many people believe that a vacuum created inside a vacuum cleaner causes particles of dirt to be drawn in. actually, the dirt is pushed in. explain your answer.

Roemer's experiment failed because of his ignorance about the what

Find the potential energy of a 50gof mass 10kg standing on a building floor of 10m above the ground level

Which of the following are thought to be rapidly rotating neutron stars with intense magnetic fields? Choose one answer. a. pulsarsb. white dwarfsc. black holesd. flare starse. accretion disks

A block of size 20m x 10 mx 5 m exerts a force of 30N. Calculate the maximum & minimum pressure exerted by the block on ground? hello yeah tell me the answer of this question

5. If the line on a speed-time graph is not horizontal, what does that tell you about its motion?

The circumference of the Earth is approximately 40,000 km. The Earth has a magnetic field that protects it from solar particle radiation. The major element comprising the solid inner core of the Earth is iron. The Earth is approximately 4.

A capacitor with the capacitance constant C has a charge of Q and a potential difference of V. If the charge is reduced to Q and the potential is increased to 2V, what is the new capacitance? 2c 4c