You ride your bike for 1.5 h at an average velocity of 8 km/h, then for 30 min at 19 km/h. what is your average velocity?

Calculate the amount of energy produced in joules by 100 - watt light bulb lit for 2.5 hours.

Universal scale. Suppose we wanted to make a scale model of the Local group or galaxies in which the Milky Way Galaxy was the size of a doughnut (-10 cm in diameter).

Currents circulate in a piece of metal that is pulled through a magnetic field. What are these currents called?

How do matter and energy interact?

How much force does it take to accelerate a 50.8 kg person at 3.50 m/s^2?

What is normal distribution in statistics?

Which of the following water samples would be considered acidic

A linearly-polarized electromagnetic (EM) wave has an electric field with amplitude 1000 V/m. You hold a a linear polarizer in front of it and rotate the polarizer so that all of the EM wave is blocked. You then rotate the polarizer 30 degree.

Let y'=4 x. find all values of r such that y = rx^{2} satisfies the differential equation. if there is more than one correct answer, enter your answers as a comma separated list.

What are the starting materials for nuclear fission