The Earth is 1.49 × 1011 meters from the sun. If the solar radiation at the top of the Earth's atmosphere is 1 340 W/m², what is the total power output of the sun? a. 7.10 x 1027 W b. 2.20 x 1030 W 6.62 x 1026 W d. 3.74 x 1026 W с. е. 2.98 x 1025 w

K07

x=4-3.2t+2t^2 finding the avg speed between 0 to 2

A 105-turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1,800 rev/min, as indicated in the figure below. The horizontal component of Earth's magnetic field at the location of the loop is 2.0 x 10-5 T. Calculate the maximum emf (in V) induced in the coil by Earth's field. 20.0 cm 20.0 cm V

A 40.0 W incandescent light bulb transforms 19.0% of its energy into visible light; the rest goes largely to non-visible infrared radiation. At what distance from the bulb is the amplitude of the electric field of the visible-light wave 13.1 V/m? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units

The generator at a large power plant has an output of 1,800,000 kw at 30,000 v.  a. If it were a DC generator, what would be the current in it? b. What is it’s energy output each day in kilowatt hours?

145 S N Q-3 T. Brady Problem sy = Voy⋅ t + kayt 11 21 60f 1664/5² W w ½gt² + Vyt-sy = 0 at² + bt+C =0 Q-3 Hmwk #2

Part A Estimate the average power output of the Sun, given that about 1350 W/m² reaches the upper atmosphere of the Earth. Express your answer with the appropriate units. ΠΑ S = Value Submit Request Answer Units ?

28 Consider a bright star in our night sky. Assume its distance from Earth is 29.0 light-years (ly) and its power output is 4.00 x 104° w, about 100 times that of the Sun. One light-year is the distance traveled by light through a vacuum in one year. (a) Find the intensity of the starlight at the Earth. W/m? (b) Find the power of the starlight the Earth intercepts. (The radius of Earth is 6.38 × 10° m.) MW Need Help? Read It

Citizen's band (CB) radio utilizes frequencies between commercial AM and FM. What is the frequency of an 11.11 m wavelength CB channel? MHz