Why would parallaxes be easier to observe if Earth were farther from the Sun?
What will be an ideal response?
Then the baseline of the triangle would be larger, and the parallax angle would be greater.
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An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight. The plane flies with an air speed of 120 m/s. If a constant wind blows at 10
0 m/s due west during the flight, what direction must the plane fly relative to the air to arrive at the destination? A) 4.78° east of north B) 4.76° east of north C) 85.2° west of north D) 4.78° west of north E) 4.76° west of north
The units of work are the same as those of ______________
Fill in the blank(s) with correct word
Compare how doubling the diameter of a mirror will affect both resolution and light gathering power
What will be an ideal response?
A 0.200-kg aluminum plate, initially at 20°C, slides down a 13.0-m-long surface, inclined at a 25.0° angle to the horizontal. The force of kinetic friction exactly balances the component of gravity down the plane so that the plate, once started, glides down at constant velocity. If 90% of the mechanical energy of the system is absorbed by the aluminum, what is its temperature increase at the
bottom of the incline? (Specific heat for aluminum is 900 J/kg/°C.) a. 0.115 C° b. 0.0538 C° c. 0.269 C° d. 0.78 C° e. 48.5 C°