Why sodium & pottasium are kept under kerosine

What is the slope of the line if the rise of a line on a distance versus-time graph is 900 meters and the run is 3 minutes?

One of the principal difficulties in establishing the theory of continental drift (the idea that tectonic plates drift around on Earth's surface) was identifying a source of energy capable of powering such movements.

A cricketer can throw a ball to a maximum horizontal distance of 100m. How much high above the ground can he throw same ball

A mountain climber is hanging from a vertical rope, far above the ground and far from the rock face. the rope is vertical. what are the forces acting

A motorcycle stunt driver zooms off the end of a cliff at a speed of 30 meters per second. If he lands after 0.75 seconds, what is the height of the cliff? a. What do you know? b. What do you need to solve for? c. What equation (s) will you use? d.

Which wave A or B has a higher energy

What does the law of conservation of energy state about energy in a closed system?

James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. Why did he expect a difference

To change gross income, someone would need to? save more per month. reduce deductions. earn more money. increase withholdings.

An elevator (mass 4150 kg) is to be designed so that the maximum acceleration is 0.0800g. what is the maximum force the motor should exert on the supporting cable?