Does coefficient of linear expansion depends on length

Suppose the Solar radiation is 850 W/m2 and you collect 20% of energy that falls on the reflecting surface of a hot dog cooker. If you need 240 watts for the cooker, what is the minimum collector area?

Why surface waves cause the most damage to property?

Which of the following is closer to the glomerulus? A proximal convoluted tubule B. nephron loop C. loop of Henle D. distal convoluted tubule

A window washer pulls herself upward using the bucket-pulley apparatus. The mass of the person plus the bucket is 65 kg.

Is the following true or false? Continental glaciers fill depressions in the surface with water, where they create cirques.

Which method would you use to find the volume of an irregular shaped object?

A step up transformer has a primary coil with 100 turns and a secondary coil with 25 turns if the input voltage in the primary coil is 40 volts what is the output voltage reduced to in the secondary coil A) 20 volts B) 35 volts C) 4 volts D) 10

An instrument used to measure atmospheric pressure is called a

A 200-kg boulder is 1000-m above the ground. what is its potential energy?

The law of reflection states that if the angle of incidence is 81 degrees, the angle of reflection is ___ degrees.