A combustion reaction usually gives off heat and light is it true or false

What is the dependent variable in an experiment that shows how the volume of gas changes in temperature? What is the dependent variable in an experiment that shows how the volume of gas changes in temperature?

A runner traveling 6.0 s reaches a speed of 10m/s what is the runners acceleration

An object is thrown with a force of 30 Newtons and ends up with an acceleration of 3 m/s ^ 2 due to that throw. What is the mass of that ball?

How much work is done in holding a 10 newton sack of potatoes while waiting in line at the grocery store for 3 minutes.

A rock is dropped downward from the top of a cliff. If the rock hits the ground after 2.0 s, what's the height of the cliff?

While a constant total force of 17 n is exerted on a cart, the cart's acceleration is 5 m/s2. find the mass of the cart?

Which of the following is NOT a possible cause of a genetic disorder in humans? changes in the number of chromosomes mutations in the DNA of genes being born underweight changes in the structure of chromosomes

According to Newton's Law of Universal Gravitation, which of the following would cause the attractive force between a planet and the Sun to be doubled? A. Doubling the mass of the planet B. Quadrupling the distance from the sun C.

Hannah has information about an object in circular orbit around Earth. mEarth = 6.0 * 1024 kg G = 6.67 * 10-11 What additional information does Hannah need in order to calculate the tangential speed of the orbiting object?

All objects are attracted to each other by the force of