Quickly 13 points +7 for best ! calculate the density of an object that has a mass of 3.0 g and a volume of 5.0 cm3. will the object float or sink when placed in water, which has a density of 1.0 g/cm3?

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.

3. which is not a primary color of light? blue red green yellow