For glass fragments to be individualized, what must be true?

A. They must fit together

B. They must have the same density

C. They must look the same

D. They must be the same color

Gravitational pull between 2 objects is determined by which of the following? Question 11 options: Both distance between and mass of the 2 objects Volume of the 2 objects Mass of the 2 objects Acceleration of the 2 objects Distance between the 2

Electric powerlines in electric Post hang very low in hot summer? Why?

A laser produces 20.0 mW of red light. In 1 hour, the laser emits 2.29 X 10^20 photons. What is the wavelength of the laser?

Can copper conduct heat

A box is pulled with a horizontal force of 500N and moves 5m what is work done

Explain why Newton's first law of motion can be difficult to observe in moving objects?

No force is necessary to

A boat has a mass of 4040 kg. Its engines generate a drive force of 4660 N due west, while the wind exerts a force of 880 N due east and the water exerts a resistive force of 1400 N due east. Take west to be the positive direction.

Define the word projectile

Which is not a property of an electromagnetic wave? O It is made of magnetic fields It travels at the speed of light O It is made of electrical fields It carries energy only through matter