A 1.0 kg book has a sliding coefficient of friction of 0.22. What horizontal force must be applied to the book to make it slide at a constant speed?

You have decided to host a discussion about post-traumatic stress disorder with the families of soldier abroad provide an over view of the disorder the symptoms and consequences of ptsd

The water flowing over niagara falls drops a distance of 50 m. if all the gravitational potential energy is converted to thermal energy, by what temperature does the water rise? the specific heat of water is 4186 j/kg ∙ k. a)0.42 c° b)0.37 c° c)0.12 c° d)0.10 c°

Which statements describe the characteristics of asteroids? check all that apply. formed 4.6 billion years ago orbit the sun beyond jupiter range in size from a few feet to more than 500 miles across have a total mass greater than the mass of the moon most are found in the asteroid belt