Why can a bridge surface freeze before adjoining road surfaces do?

Steel is a mixture of iron and carbon. It can be separated into iron and carbon by melting it. What is steel? A. A compound B. An element C. A molecule D. An alloy

Select the best answer for the question. 13. What is the first step in dealing with an injured relationship? A. Recognizing there's a problem B. Just letting things work out C. Ignoring the problem D. Yelling at the person you're fighting with

Aaron and Sam cover the same distance on foot at the speed of 8 km/hr and 6 km/hr. Find the distance covered by each one of them when one takes 15 minutes longer than the other.

A star's apparent magnitude is most closely related to which of the following? Select all that apply. a. radius. b. luminosity. c. distance from Earth. d. absolute magnitude. E. surface temperature.

An undamped 2.65 kg horizontal spring oscillator has a spring constant of 38.5 N/m. While oscillating, it is found to have a speed of 2.92 m/s as it passes through its equilibrium position. What is its amplitude of oscillation?

What causes an air conditioned to turn on

A turntable is spinning on a frictionless axle when a ball of putty is dropped onto it from above. The putty sticks to the turntable when it lands. Is angular momentum conserved for the turntable and putty (the system) during this process?

The speedof a boat in still water is v. The boat is to make a round-trip ina river whose current travels at speed u.

Why are there so few working wave power stations?

Two abiotic factor that effect an ecosystem are;