Auniform solid sphere with a mass of m = 390 grams and a radius r = 19.0 cm is rolling without slipping on a horizontal surface at a constant speed of 4.00 m/s. it then encounters a ramp inclined at an angle of 15.0 degrees with the horizontal, and proceeds to roll without slipping up the ramp. use g = 10.0 m/s2. how far does the sphere travel up the ramp (measure the distance traveled along the incline) before it stops for an instant?