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1) What type of image would a concave mirror produce when the object is inside its focal length?
A) Real and Erect
B) Real and Inverted
C) Virtual and Erect
D) Virtual and Inverted
2) If a flashlight is out in space, far away from everything, and shines a beam to the north, which way will the flashlight move?
A) North
B) South
C) East
D) West
E) It will not move
3) If two polarized filters are blocking the same beam, one after another, how should you orient a third filter placed in between the two in order to allow the most light through?
A) Closer to the orientation of the first
B) Closer to the orientation of the second
C) Half way in between the orientations of the first two
D) Orientation does not matter
for many years the posted highway speed limit was 88.5kmhr 55mihr but in recent years some rural stretches of highway
A car starts from rest and reaches a speed of 7.6 m/s in 5.1s. How far will it have traveled in that time
Light with wavelength 595nm is incident on a 2.6?m wide slit. Find the angular width of the central peak in the diffraction pattern
What is the value of rest energy of electron? and what is the expression for rest energy?
When a potential difference of 221 V is applied to two plates of a parallel-plate capacitor, the inner surface of the positive plate carries a surface charge density of 40 nC/cm2. What is the spacing between the plates
A ladder of unknown length and mass of 29.00 kg rests on a rough floor, and leans against a rough wall. The coefficient of static friction between the ladder and both the floor and wall are 0.68.
A guitar string is 93 cm long and has a mass of 3.6 g. The distance from the bridge to the support post is L = 60 cm, What is the frequency of the second overtone
A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 1.00 atm at 20.0oC. how tall is the column of gas that is supporting the piston
A pair of hedge trimmers are 45 cm long from the pivot to the end of the handles. If the person applies of a force of 15 N on each handle, how much force is applied to the branch
A glass window 0.60 cm thick measures67cm by 42 cm. How much heat flows through this window per minute if the inside and outside temperatures differ by16°C
The objective of a refracting astronomical telescope has a focal length of 3.60 m. What is the angular magnification of the telescope
A circular coil of 70 turns and a radius of 5 cm is placed with its plane oriented at 90 degrees to a magnetic field of 0.1 T. The field is now increased at a steady rate, reaching a value of 0.7 T after 2 seconds. What EMF is induced in the coil?
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