Which of these changes do ot involve forming or breaking chemical bonds?

A) burning and melting

B) rusting and cutting

C) burning and digesting

D) boiling and melting

The disturbance that occurs as longitudional waves travel through a medium can be described as a series of? A. oscillations and refractions B. Destructions and Constructions C. Propagrations and Compressions D. Rarefactions and Compressions

Fire is an important maintenance process in which biome?

A rocket for a space shuttle is producing a constant acceleration of 2.15 m/s2. What is its velocity 94.0 seconds after the rocket begins to fire?

The use of nuclear power throughout the world is generally

How many visable impact craters does the moon contain? A. 586 B. A million or more C. None D. A few

You create a transformer by wrapping wire around an iron nail. The number of turns are: Primary (500); Secondary (2500). The Primary voltage is 3.00 V. The Secondary current is 200 mA.

A 90kg cannon fires 100kg shell with muzzle velocity of 75m/s. Calculate the recoil velocity of the cannon relative to the ground

The planet XYZ traveling about the star ABC in a circular orbit takes 24 hours to make an orbit. Assume that the orbit is a circle with radius 89 comma 000 comma 00089,000,000 mi. Find the linear speed of XYZ in miles per hour.

Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N

What is the formula for calculating the mass when i have the number of volume and density