A bicycle tire of radius 5.4 meter rotates {0}radian in time 7.1 seconds. Calculate the distance travelled by the valve stem.

Q: A 3.5-m-diameter merry-go-round with rotational inertia 120 kg · m² is spinning freely at 0.60 rev/s…

A:

Q: If an image is half the size of the object and inverted its magnification is?

A: Let the size (height) of the object be ' ho ' And size (height) of the image be hi then given to us…

Q: Section 3.1 Displacement, Velocity, and Acceleration 1. ssm Two trees have perfectly straight trunks…

A:

Q: D. When you are looking at your image in a mirror what are you seeir a real image D a virtual image…

A:

Q: a beam of light strikes a diamond at an angle of 42 degrees to the normal. with what angle does the…

A: Snell's law expresses a relation between the path followed by a ray of light when it cross from one…

Q: 3. A thin layer of liquid methylene iodide (n = 1.756) is sandwiched between two flat, parallel…

A: To find the maximum reflection, the light reflected from the top surface and bottom surface of the…

Q: The magnification of the image produced be an object placed 21 cm from the diverging lens (f=25 cm)…

A: Given Focal length = 25 cm Object distance = 21 cm We have to calculate the magnification.

Q: A pair of toy cart wheels is rolled obliquely from a smooth surface onto two plots of grass, a…

A: For rectangular grass, it will emerge at the same angle.

Q: What is the angle of deviation if a ray of light in water is incident at an angle of 25 degrees and…

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Q: image is formed in a location where light does actually reach, therefore it can be projected on a…

A: Given : A statement related to projected image an fill up using correct option.

Q: Does a flat mirror produce a real or virtual image? What is its magnification?

A: virtual image , and

Q: How long does the image of a 6-in ruler appear in a plane mirror?(         ) inDoes this depend on…

A: Magnification

Q: Daniel’s eyes are 1.42 m from the floor when he is wearing his dress shoes, and the top of his head…

A:

Q: Calculate the focal length of a concave mirror when object distance is 5cm and magnification is -6

A: Given that the the object distance of concave mirror and also given the value of magnification. Then…

Q: If a fish is trying to capture insect hovering above the surface of water – how will it jump to…

A: Here due to refraction of light near air water interface the insect appears above the actual…

Q: A critical angle exists when a light ray travels __________. A through a single medium B from a…

A: The critical angle is the angle of the incident ray at which the angle of refraction is 90o. The…

Q: 21. What is the sign of the distance between the image and the mirror (di)? Positive Negative O Need…

A: Given that, Object is placed in front of a convex mirror Image is formed between the pole and the…

Q: orms A. It is a converging lens. B. It is a diverging lens. C. It could be either type of lens.

A: C is correct answer.

Q: In a darkened room, red light shines on a red cup, a white card, and a blue toy. The cup, card, and…

A:

Q: When a wide beam of parallel light enters water at an angle,the beam broadens. Explain.

A: When a wide beam of parallel light enters water at angle, it interacts over an area which is wider…