What is the kinetic energy of a 400kg house that is racing around a track at 17 meters per second?

In a cell what substance is analogous to a factory manger and where would it be found?

When all the colors of light are mixed, what is the resulting color? blue red white black

A body of 2.0kg mass makes an elastic collision with another at rest and continues to move in the original direction but with 1/4 of it's original speed. what is the mass of the struck body?

What are 4 categories of blood

A sound wave is passing by a student 250 times every second. What is the frequency of the sound wave? 25 s 1 second 250 Hz 1/250 Hz

What is a device made by joining two different materials to form a circuit that produces an electric current? a. convertor b. resistor c. semiconductor d. thermocouple

An elevator weighing 15000 newtons s raised in 50 seconds. If the distance between stories is 3.0 meters how much power is required of the motor?

Given the diamond shape of a baseball field and the speed with which baseballs are hit, why is it harder for a hitter to hit a homerun to center field than to right or left field? (Consider the effect of air drag on fast moving projectiles.)

What is the arrangement of the forms of electromagnetic radiation according to their wavelengths?

A helium atom consists of two protons, two electrons, and two neutrons. In the helium atom, the strong force is a fundamental interaction between the (1) electrons, only (2) electrons and protons (3) neutrons and electrons (4) neutrons and protons