Both car a and car b leave school at the same time, traveling in the same direction. car a travels at a constant speed of 74 km/h, while car b travels at a constant speed of 90 km/h. how far is car a from school 1.5 h later? answer in units of km.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th