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What else can I help you with?
What happens to a ray of light which strikes a block at an angle of 90 degree?
When a ray of light strikes a block at an angle of 90 degrees, it hits the surface perpendicularly. In this case, the light does not bend or refract but continues to travel straight into the block. The light may reflect back at the same angle if the block's surface is reflective, but there is no change in direction due to refraction since the angle of incidence is zero.
What is the max angle of the top of a starting block for swimming?
The maximum angle of the top of a starting block for swimming is typically set at 10 degrees from the horizontal. This angle is designed to provide swimmers with optimal leverage and stability at the start of their race. Additionally, regulations may vary slightly depending on the governing body or specific competition rules.
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.
What angle the copper block begin to slide?
The angle at which a copper block begins to slide depends on the coefficient of friction between the block and the surface it rests on. When the angle of incline exceeds the angle of static friction, which can be calculated using the formula ( \theta = \tan^{-1}(\mu_s) ) (where ( \mu_s ) is the static friction coefficient), the block will start to slide. Therefore, knowing the specific coefficient of friction for copper against the surface is essential to determine the exact angle.
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 maximum angle a chain block can go to?
It is recommended to not exceed 15 degrees.
What happens to a ray of light which strikes a block at an angle of 90 degree?
When a ray of light strikes a block at an angle of 90 degrees, it hits the surface perpendicularly. In this case, the light does not bend or refract but continues to travel straight into the block. The light may reflect back at the same angle if the block's surface is reflective, but there is no change in direction due to refraction since the angle of incidence is zero.
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
What is the type of fault where a hanging wall block moves up relative to the footwall block with a dip of greater than 45 degrees?
That type of fault is called a reverse fault. Reverse faults are characterized by the hanging wall block moving up and over the footwall block at a steep angle, typically greater than 45 degrees.
What is the max angle of the top of a starting block for swimming?
The maximum angle of the top of a starting block for swimming is typically set at 10 degrees from the horizontal. This angle is designed to provide swimmers with optimal leverage and stability at the start of their race. Additionally, regulations may vary slightly depending on the governing body or specific competition rules.
What type of polygon is the block letter h?
Ah, isn't that a delightful question! The block letter "h" is a polygon called a quadrilateral, specifically a rectangle. It has four sides and four right angles, just like a cozy little window frame. Just imagine all the happy little rectangles you can create with your letters!
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.
What happens to a ray of light when it hits a glass block at 90 degrees?
When a ray of light hits a glass block at a 90-degree angle (normal incidence), it continues to travel through the glass block without changing its direction. This is known as refraction without deviation.
What happens when a ray of light enters a glass block at 90 degrees?
When a ray of light enters a glass block at 90 degrees, it continues in a straight line without bending. This is because there is no change in the speed of light when it enters the glass block at a perpendicular angle.
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.
When the angle of refraction is 20 degrees what is the angle of incidence?
To find the angle of incidence when the angle of refraction is 20 degrees, you can use the formula for Snell's Law: n1 sin(θ1) = n2 sin(θ2). Given that n1 and n2 are the refractive indices of the media and we know θ2 (20 degrees), you can calculate θ1.
Difference between block and semi block letter?
A semi-block letter is less formal than a block letter.
