A 45.0-kg sample of ice is at 0.00°C. How much heat is needed to melt it? For water, Lf=334 kJ/kg and Lv=2257 kJ/kg

A. 4.10 x 10^6 kj

B. 0.00 kj

C. 1.02 x 10^5 kj

D. 1.50 x 10 ^4 kj

A 3-phase motor is connected to a 440V line and draws a current of 5A. If the power factor of the motor is the highest two digits in your KSU in percent (e. g.

Which of the following represents a fully plastic collision? 1. Two billiard balls hit each other then move in opposite directions. 2. Two train cars hit then detach. 3. A ball hits a wall with no loss of energy. 4.

The origin of the universe remains a question. true false

Which scientists supported the heliocentric model of the solar system? Check all that apply. Aristotle Copernicus Galileo Kepler Ptolemy

a butterfly has a wingspan of 66mm and a height of 6cm which i greater its wingspan or its height

What is general relativity in easy terms?

Temperature and volume are directly or inversely

My Notes A basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. A block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

How does sound travel through waves?

Solve for real t: - 25=20t-5t^2