Starting from rest, a child zooms down a frictionless slide from an initial height of 3.00 m.
What is her speed at the bottom of the slide?
Assume she has a mass of 25.0 kg

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.

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

If the area of a square has increased by a factor of 16, by how much has each side increased?