The mass of the products (solid and gaseous) of a fire is the same as the mass of the fuel and oxygen consumed in the fire.

true or false

What will decrease the strength of the magnetic field around a wire

In order for the force to be IN what would the distance for these objects have to be? 13m A ...001m B ...001mm Cr 1.35x1011m D. 1.16x107m 30Kg 500Kg

Describe one of the ecosystem in southern Africa

What determines which specific atoms of a radioactive material decay over a period of time?

Which of the following is a colligative property? A. viscosity B. solubility C. surface tension D. osmotic pressure

A potter's wheel of radius 16 cm starts from rest and rotates with constant angular acceleration until at the end of 32 s it is moving with angular velocity of 10 rad/s. what is the angular acceleration? answer in units of rad/s 2.

The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0∘ above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground.

Design an experiment (Fair Test) to find out what would be a good insulator for a dog house.

Which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean? a. the amount of sunlight increases. b. the water temperature decreases. c. the amount of plants decreases. d.

Why do some elements have symbols that don't use letters in the element's name?