How many gallons of water can fill a pool that is 50 yards by 20 yards and is 9 feet deep

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?