A cylinder with a 2.5 ft radius is rotating at 120 rpm. (a) Give the angular velocity in rad/sec and in degrees per second. b) Find the linear velocity of a point on its rim in m/s

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed