1 two waves, each with intensity 40 db, interfere constructively. what is the intensity of the combined waves, in db?

If Sue uses a force of 80 N to move a box that had a mass of 35 kg a distance of 25 m, how much work did she do?

Calculate the kinetic energy of a charging elephant if its mass is 5,000kg and it moves at 8m/s

What's the meaning of law of gravity

Quando se deseja saber se uma pessoa está com febre, é comum colocar a mão na testa dela, para sentir se está quente. formule duas explicações para o que acontece nessa situação, uma microscópica e outra microscópica?

What type of force causes exfoliation

A car weighing 15,000 N is on hydraulic lift platform measuring 10m2. What is the area of the smaller psition if a force of 1,100n is used to lift the car?

What are some household items that demonstrate thermodynamics

The position of a certain airplane during takeoff is given by x=1/2 * bt2, where b = 2.0 m/s2 and t = 0 corresponds to the instant at which the airplane's brakes are released at position x = 0.

What studies outer space, the solar system and objects in it

Which of these is the most likely reason why the Steady State Theory of origin of the universe has been rejected?