How much heat is needed to melt 2.5 kg of lead? The latent heat of fusion for lead is 5.85 Kcal/kg. The latent heat of vaporization of lead is 20.8 kcal/kg

Which is the thick white substance that accumulates at the side of a cut in the process of healing?

How do you determine the gradiant of an graph

What property is primarily responsible for determining the type of electromagnetic energy and peak wavelength emitted by a star such as the Sun?

A block of aluminum occupies a volume of 15.0 ml and weighs 40.5 what is its density

Which statement correctly describes the motion of water particles due to the action of waves? A. they travel from one crest to anotherB. they move in opposite direction of the waveC. they rise and fall in a circular motionD. they move back and forth

A rectangular loop of wire with sides 0.262 and 0.401 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.

In the system you're inspecting the damper motor isn't working, You decide to see if the damper-postion sensor us sending the proper signal to the which then signals the damper motor. A. heating coil B. duckwork c. energy source D. controller

Which of the following statements does not describe the structure of an atom? a. An atom has a small, dense center called the nucleus. b. Inside the nucleus of an atom are protons and electrons. c. Protons are positively charged sub-atomic particles.

A. Which skill related fitness component is your strongest and weakest?

A 100 N box is placed on an inclined plane that makes a 30° angle with the horizontal. Calculate the component of gravitational force that acts down the inclined plane. A. 25 N B. 50 N C. 87 N D. 100 N