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How many degrees does a acute angle have in the block letter a have?
Wiki User
∙ 13y ago
It's impossible to say; it varies from font to font. In a font like Eurostyle, the top angle may not even be acute.
Wiki User
∙ 13y ago
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Which angle hits a mirror or glass block?
The angle does not hit anything! A ray of light hits a mirror or glass block and the angle that the ray makes with the vertical at the point of contact is the angle of incidence.
A light ray goes from air into acrylic block is the angle of refraction larger or the angle of incidence?
The angle of refraction is larger. BOOBIES
What is the angle called when light hits a mirror or glass block?
If I remember correctly, the angle that the light makes with the plane of the surface is called the incident angle.Incident angle.
What are a score or more facts about the properties of a triangle?
1 It's a 3 sided 2 dimensional polygon 2 It has no diagonals 3 Its largest side is less the sum of its smaller sides 4 Its 3 interior angles add up to 180 degrees 5 Its 3 exterior angles add up to 360 degrees 6 It will tessellate leaving no gaps or overlaps 7 It has a perimeter which is the sum of its 3 sides 8 It has an area which is 0.5*base*perpendicular altitude 9 It can form the base of a tetrahedron pyramid 10 It is the 1st building block of all other polygons 11 It has 3 vertices which is the plural of vertex 12 It's a right angle triangle when it has a 90 degree angle 13 It's an obtuse triangle when it has an obtuse angle and 2 different acute angles 14 It's a scalene triangle when it has 3 different acute angle 15 It's an equilateral triangle when it has 3 equal sides 16 It's an isosceles triangle when it has 2 equal sides 17 It's subject Pythagoras' theorem as a right angle triangle 18 It's subject to the rules of trigonometry 19 Its tangent ratio is: opp/adj as a right angle triangle 20 Its sine ratio is: opp/hyp as a right angle triangle 21 Its cosine ratio is: adj/hyp as a right angle triangle 22 Its hypotenuse squared is equal to the sum of its squared sides as right angle triangle
Two identical blocks of iron one at 10 degrees celsius and the other at 20 degrees celsius are put in contact suppose the cooler block cools to 5 degrees celsius and the warmer block warms to 25?
Violation of 2nd Law
What is the maximum angle a chain block can go to?
It is recommended to not exceed 15 degrees.
Need head bolts torque settings for pug 306?
if it is an aluminum block stage 1 20 Nm then stage 2 angle tighten a further 240 degrees if it is a cast iron engine block stage 1 20 Nm stage 2 angle tighten a further 120 degrees then stage 2 angle tighten another 120 degrees these settings are for a petrol engine
Which angle hits a mirror or glass block?
The angle does not hit anything! A ray of light hits a mirror or glass block and the angle that the ray makes with the vertical at the point of contact is the angle of incidence.
Can you give me an experiment to calculate the coefficient of static and dynamic friction?
Get a block of known mass, a protractor and a board; the materials should be chosen as those for which you want to find the friction coefficients. Place the block on the board and gradually increase the angle of the board while keeping track of the angle the board makes with horizontal. The angle at which the block slips is crucial. The friction force opposes the movement of the block based on the normal force applied on the block by the board. As you increase the angle, the normal force decreases. F = uN where F is the friction force, N is the normal force and u is the coefficient of friction, in this case, static. Using the angle at which the block slips, calculate N; N = m sin(@) where m is the mass of the block, and @ is the measured angle. Now F must be equal to the force of gravity pulling on the block parallel to the board, otherwise the block would slip (and it does precisely at the measured angle) so; F = m cos(@) where m is the mass of the block and @ is the measured angle. Now that F and N are known, use the aforementioned relationship to calculate u. This value should be non-negative and has no units. As for dynamic friction; let the block slide from the top of the board when it is at a high angle and gradually decrease the angle until the block comes to a stop on the board due to friction. This should be done in trials of larger degrees until a working angle is found, then more precise trials can commence. When such an angle is found that any higher angle allows the block to keep going all the way to the bottom, the same calculations as above must be repeated to find the coefficient of dynamic friction.
A beam of light in air is incident at an angle of 35 degrees to the surface of a rectangular block of clear plastic n 1.49 What is the angle of refraction?
It depends on the refractive index of the plastic. There are many different kinds of plastic and they do not have the same refractive index.
Difference between block and semi block letter?
A semi-block letter is less formal than a block letter.
A light ray goes from air into acrylic block is the angle of refraction larger or the angle of incidence?
The angle of refraction is larger. BOOBIES
What is the angle of a workpiece if a 3.2003 gauge block stack is used with a 10 sine bar?
What is the angle of a workpiece if a 3.2003 gage block stack is used with a 10 sine bar?
Why is a block letter called a block letter?
Because the paragraghs are not indented
When the angle of refraction is 20 degrees what is the angle of incidence?
It depends what substance the refraction is taking place in. You need to know the refractive index, n then you can use the formula (sin(i))/(sin(r)) = n so sin(i) = n * sin(20) and i = arcsin ( n*sin(20) ) or, equivalently: i = sin^-1 ( n*sin(20) ) If you were using a glass block block, then n=1.5 and i = arcsin (1.5*sin(20)) = 30.86588247 = 30.9 degrees (3 s.f.)
What is the average temterature of a small block Chevy?
23 degrees 23 degrees 23 degrees
A block accelerates at 3.2 down a plane inclined at an angle 30 degrees. Acceleration of gravity is 9.8. Whats the coefficient of static friction between the block and the inclined plane?
Static friction does not apply when the block is already moving. Without friction, the force on the block parallel to the surface of the incline is Fg*sin(angle), so the acceleration without friction is 9.8* sin(30) = 9.8 * (1/2) = 4.9 Since it is accelerating at 3.2, friction is slowing down the block by (4.9-3.2 = 1.7). The coefficient of kinetic friction is (1.7/4.9) = 0.346939
