Answer:
A first-class lever has the fulcrum between the load and the effort. A second-class lever has the load between the effort and the fulcrum. A third-class lever has the effort between the load and the fulcrum. A see-saw is an example of a first-class lever.
Explanation:
Answer:
The 59th element is Praseodymium it's symbol is Pr.
Answer:
46 m and 159 m
Explanation:
first find initial x and y component of velocity and take final y component of velocity as zero at maximum point and follow steps as i have solved
Answer:the H2O and O2 produced have the same mass as the original H2O2
Answer:The Taller one
Explanation: Air drag(friction) also known as air resistance,the opposing force acting against the force of gravity, if a falling Object have a high air drag it will mean the object have a high air resistance. The higher the air resistance the higher the impact of the force of gravity on an object. The force of gravity will act to want to overcome the opposing force in order to bring the Object or the taller person down.