What is a divice used to remove pollutants from smokestacks

How do i find the net force out of acceleration and mass?

Janet pushes a cart, the cart with a net force of 60N. The mass of the cart was 48 kg. Calculate the carts acceleration

When condensation rates decrease, causing fewer clouds to form, how might humans change their behavior?

Which of the following statements about wind energy is not true? a. Wind energy is a nonrenewable energy resource. b. Wind energy is used to sail ships. c. Wind energy is not reliable. d. Windmills are currently being used to provide energy.

Define the wavelength of sound in terms of successive compressions of air

What are the requirements of a practical fuel

A woman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. The book has a mass of m = 1.7 kg and the coefficient of static friction between her hand and the book is μs = 0.52.

Tony has a mass of 50 kg, and his friend Sam has a mass of 45 kg. Assume that both friends push off on their rollerblades with the same force. Explain which boy will have greater acceleration.

Which part of your ear do sound waves enter through?

Why do scientist use different types of models to represent compounds