A pencil is viewed through a concave lens. Which of the following best describes the image?
Object
Image
F
F
A. Virtual
B. Inverted
C. Enlarged
D. Real

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?