You could increase the mechanical efficiency of this screw by

How are landslides and mudflows similar

An infinite charged wire with charge per unit length lambda lies along the central axis of a cylindrical surface of radius r and length. What is the flux through the surface due to the electric field of the charged wire?

How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s2?

Think about multiplying the mass of each student by a factor to calculate each student's kinetic energy. Is there a common factor that works for every student? If so, what's this factor?

How long will a wave travel?

Scientists hypothesize that oxygen began to accumulate in earth's atmosphere of living things with the ability to?

The 3 stages of the water cycle are

What is the main natural force responsible for mass movement of rocks and debris?

In a mass spectrometer, a specific velocity can be selected from a distribution by injecting charged particles between a set of plates with a constant electric field between them and a magnetic field across them (perpendicular to the direction of

What is the force of attraction between two masses 5kg and 8kg at a distance of 60cm apart. (A) 4.5*10-9N (B) 5.6*10-9N (C) 7.4*10-9N (D) 8.0*10-9N (E) 10.5*10-9N