Recent content by smw1016

Homework Statement Express each of the following in radians per second: (a) 720 ; (b) 50 ; (c) 1000 ; (d) 1 (which is the angular speed of Earth in its orbit). Homework Equations why all my answers are wrong? please help me! The Attempt at a Solution

Homework Statement A drunk driver in a 2400kg car plows into a 1200kg parked car with its brake set. Police measurements show that the two cars skid together a distance of 25m before stopping. If the effective coefficient of friction is 0.70, how fast was the drunk going just before...

Three equal masses lie at the corners of an equilateral triangle of side L as shown in the figure Where is the center of mass? Express your answer in the form x_e, y_e in terms of L, where x_e and y_e are separated by a comma. x_e,y_e=

At what altitude will a satellite complete a circular orbit of the Earth in 1.8 hours? i used r=(GMT^2/4pi^2)^1/3 -Radius of the earth. but I am keep getting wrong answer please help

yea there were 15 questions and i solved them all but this ones... i don't know where to start.. please help me thank you

yea there were 15 questions and i solved them all but this ones... i don't know where to start.. please help me thank you

1. Calculate the orbital period for Jupiter's moon Io, which orbits from the center of the planet. 2. A white dwarf is a collapsed star with roughly the mass of the Sun compressed into the size of the Earth. What would be (a) the orbital speed and (b) the orbital period for a spaceship...