if the area of the small piston on the left is 0.5 m2 and the area of the large piston is 5.5 m2, what would be the mechanical advantage of the hydraulic lift? round you answer to the nearest tenth

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

Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev,respectively?

What type of nuclear decay causes the atomic number of an element to increase by 1?