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Jupiter subtends an angle of 1.67 x10-4rad when viewed by the unaided eye and 3.21 x 10-2 rad when viewed through an astronomical telescope that has a 0.031m focal length eyepiece. Determine the focal length of the telescope's objective lens.
Discuss where the theory stands today in terms of acceptance. Does the theory violate the speed of light limitation on how fast objects can more? Does it predict the current size of the universe. Can we see across the universe?
Find the magnitude and direction of the rockets acceleration
The drag on ball A in fluid Y (extremely expensive and rare) is to be estimated from tests run on ball B in air (fairly inexpensive fluid). Ball A has a diameter of 1 ft and we want to drag it during fluid Y at 80degreeF at 10 ft/s. Ball B has a diam..
A dart with a mass of 0.025 kg traveling with a speed of 13 m/s impacts a dart board and stops. What work was done by the dart board in stopping the dart
A closely wound coil has a radius of 6.30 cm and carries a current of 1.70 A. How many turns must it have if, at a point on the coil axis 6.30 cm from the center of the coil
An uncharged capacitor is connected to the terminals of a 4 battery, and 12 flows to the positive plate. The 4 battery is then disconnected and replaced with a 7 battery, with the positive and negative terminals connected in the same manner as bef..
An 88 g arrow is fired from a bow whose string exerts the average force of 110 N on the arrow over a distance of 78.00 cm. What is the speed of the arrow as it leaves the bow.
when an aluminum object is fully submersed in a pool of oil with density 700 kgm3 and place on a scale at the bottom of
What frequency does a driving force need to have to drive an oscillator with a natural frequency of 50Hz in resonance
A 5.0 g ice cube at -20 degrees C is in a rigid, How much heat is required to change this ice cube into steam at 200 degrees C
The speed of a bobsled is increasing because it has anacceleration of 2.6 m/s2. At agiven instant in time, the forces resisting the motion, includingkinetic friction and air resistance, total 450 N. The mass of the bobsled and its riders is 255 kg..
A hollow aluminium cylinder 20 cm deep has an internal capacity of 2.000 L at 20.00C. It is completely filled with turpentine and then warmed to 80.00C. (i) How much turpentine overflows? (ii) If it is then cooled back to 20.00 C, how far below th..
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