An interferometer reduces the resolving power of a telescope
Indicate whether the statement is true or false
False
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A car with good tires on a dry road can slow down at a steady rate of about 5.0 m/s2 when braking. If a car is initially traveling at 55 mi/h (a) how much time does it take the car to stop? (b) what is its stopping distance?
What will be an ideal response?
Denmark is the world leader in installed percentage of renewable energy
What will be an ideal response?
Which of the following is not one of, nor a direct consequence of, Kepler's Laws?
A) The force of attraction between any two objects decreases with the square of the distance between their centers. B) As a planet moves around its orbit, it sweeps out equal areas in equal times. C) The orbit of each planet about the Sun is an ellipse with the Sun at one focus. D) More distant planets orbit the Sun at slower speeds. E) A planet or comet in a noncircular orbit travels faster when it is nearer to the Sun and slower when it is farther from the Sun.
A series LR circuit dissipates 60 W. The circuit is powered by a 120 V rms 60 Hz supply. If the current is 2.0 A rms, what is the circuit resistance?
A. 50
B. 60
C. 15
D. 10
E. 24