An automobile steering wheel is shown. The ideal mechanical advantage of this wheel and axle is.

If a driver must exert a force of 2 N to overcome an axle resistance of 16 N, the AMA of the steering wheel is and its efficiency is__ %.?

The speed of the car changes from 12 metre per square to 24 metre per square in 1 minute the magnitude of acceleration of the car is a) Zero B) 0.25 metre square c) 1:13 m/s^2 d.) 1:5m/s^2

How much work is needed to assemble an atomic nucleus containing three protons (such as Li) if we model it as an equilateral triangle of side 2.00Ã-10âˆ'15m with a proton at each vertex? Assume the protons started from very far away.

Which of the following best describes acceleration A. Acceleration is the rate of change of position of an object. B. Acceleration is the rate of change of the direction of an object. C. Acceleration is the rate of change of force of an object. D.

A bus travels from El Paso, Texas, to Chihuahua, Mexico, in 5.2 h with an average velocity of 73 km/h to the south. What is the busâs displacement? F. 73 km to the south G. 370 km to the south H. 380 km to the south J. 14 km/h to the south

What do waves transmit A-depends on the medium B-Sound C-Enrgy D-Matter E-Water

Which sequence lists types of material in order from least conductive to most conductive

Spectrum is Latin for which word? A. appearance B. scale C. range D. spread

How is work related to force and displacement?

Calculate the buoyant force (in N) on a 1.0 m^3 chunk of brass submerged in a bath of mercury.

What is the current produced by the solar cells of a pocket calculator through which 4.00 C of charge passes in 4.00 hr? Give your answer in mA.