When a spring is compressed, its mass increases
Indicate whether the statement is true or false
TRUE
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When the atmosphere is unsteady, producing blurred images, the seeing is said to be good
Indicate whether the statement is true or false
What is one of the largest impact basin in the Solar System?
a. Crisium Basin b. Caloris Basin c. Imbrium Basin d. Mare Tranquillitatis e. Aitken Basin
What is the Kuiper Belt?
A. an enormous aggregate of gas and dust from which the Solar System was formed B. a large belt containing asteroids in a gap between the orbits of Mars and Jupiter C. a swarm of comet nuclei in a huge shell surrounding the Sun and planets D. a disklike swarm of icy objects that lies from near the orbit of Neptune to past Pluto's orbit
A horizontal 3-mm-thick flat copper plate, 1-m-long and 0.5-m-wide, is exposed in air at 27°C to radiation from the sun. If the total rate of solar radiation absorbed is 300 W and the combined radiative and convective heat transfer coefficients on the upper and lower surfaces are 20 and 15 W/(m2 K), respectively, determine the equilibrium temperature of the plate.
GIVEN
FIND
- The equilibrium temperature of the plate (Tp)
ASSUMPTIONS
- Steady state prevails
- The temperature of the plate is uniform
SKETCH
