If you are riding a roller coaster, how do you think your speed is related to your kinetic energy? Your potential energy?
A sound wave travels at a speed of 339 m [tex]s^{-1} [/tex]. If its wavelength is 1.5cm, what is the frequency of the wave? Will it be audible?
Which factor MOST directly affects the flow of ocean currents? A) differences in pressure B) differences in temperature C) Earth's revolution round the Sun D) the Moon's revolution round Earth
A light-rail train going from one station to the next on a straight section of track accelerates from rest at 1.1 m/s2 for 20 s. It then proceeds at constant speed for 1100 m before slowing down at 2.2 m/s2 until it stops at the station. How much time does it take the train to go between the stations? Express your answer using two significant figures.
This is test content of administrator. Please keep calm and do not respond to it, do not report it, and remove it. It will be removed automatically
why should it take significantly more energy to move a beam of alpha particles than a beam of beta minus particles
A small child has a wagon with a mass of 10 kilograms. The child pulls the wagon with a force of 2 newton. What is the acceleration of a wagon
what would happen if cell membranes suddenly became permeable instead of selectively permeable could cells remain alive ???
