Leaves look green because: Group of answer choices green light is best for photosynthesis. green light is reflected and not used for photosynthesis. green color attracts animals. leaves emit green light.

Q: 1. The load across a 12-V battery consists of a series combination of three resistances are 15 2, 21...

A: 1.     Given data -  battery voltage = 12V                                Resistances -   R1 = 15Ω ,...

Q: The horizontal and vertical components of a vector are 23.6 N and 34.8 N, respectively. What the mea...

A: Given value--- horizontal component = 23.6 N. vertical component = 34.8 N. We have to find--- ang...

Q: Question: The Velocity of the block Shown at Point A, is c1o m/s), find it's Velocity as it Pa3s Poi...

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Q: 1. How are images formed with plane mirrors? 2. How important is plane mirror to you?

A: In this question we have to answer some questions related to plane mirrors. Please give positive fee...

Q: An electron enters a region of uniform magnetic field and is observed to execute circular motion, co...

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Q: Three forces are acting on an object as shown (picture may not be to scale). Resolve each vector int...

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Q: A mass m1 is connected by a light string that passes over a pulley of mass M to a mass m2 sliding on...

A: In order to find the acceleration of the mass m1, first we have to draw free body diagram of the sya...

Q: Whale and Kanmuro are two islands located in the Chimera archipelago. These two are separated by a d...

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Q: Three forces act on a point. : 3N at 0 degrees, 4 N at 90 degrees, and 5 N at 217 degrees. What is t...

A: According to given question to find the resultant force first we find the net horizontal component o...

Q: 5. Using the mass A as the origin and the line between A and D as the +x direction, what is the cent...

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Q: A 20.0 V emf is applied to a coil with an inductance of 40.0 mH and a resistance of 0.500 Ω. a) Det...

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Q: In what direction is the force of an electron if that electron is moving east through a magnetic fie...

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Q: In the figure, a 3.7 kg block slides along a track from one level to a higher level after passing th...

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Q: Below you have a positive charge entering a magnetic field, in which direction will magnetic field? ...

A: charge (q) = poisitive magnetic field = B , pointing into the page velocity = v , along south   

Q: Two point charges q, = 2.2nC and q2 = -1.5nC are 13 cm apart. Point A is midway between the charges ...

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Q: Calculate the rotational inertia of a meter stick, with mass O.680 kg, about an axis perpendicular t...

A: Given: The mass of the stick is 0.68 kg. The length of the stick is 1 m ( meter stick). The mark pos...

Q: Once upon a time there was a lonely mass of 9.07185 kg suspended in thea spring. Its loneliness is f...

A: We know that  we have given that the  mass of  m= 9.07185 kg suspended in the spring.and it stretchi...

Q: A bomber is flying at 300 mi/hr horizontally at an altitude of 2000 ft. Its target is a ship sailing...

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Q: UNT has a radio station broadcasts at FM 88.1 MHz.  The radio wavelength is _____ meter

A: radio frequency is f = 88.1 MHz = 88.1 Mega Hertz = 88.1 x 106 Hertz = 88.1 x 106 Hz

Q: A molecule consists of an electric dipole with charges q and -q equal to 1x10^-9 C separated by a di...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for yo...

Q: This graph describes the motion of a car. (a) What is the instantancous acceleration at (i) t 3.0 s,...

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Q: Why is sunset red? Group of answer choices Psychology. The Sun itself turns redder at sunset. Blue ...

A: Answer-: blue light is scattered away.

Q: A woman stands in a boat at rest on a calm lake. She throws a 10 kg anchor off the front of the boat...

A: In this question we have to find the momentum, direction of the boat. Please give positive feedback ...

Q: odified True/False Indicate whether the statement is true or false. If false, change the identified ...

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Q: In the figure here, a ball is thrown up onto a roof, landing 4.90 s later at height h = 23.0 m above...

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Q: If the ball was kicked from ground gaining a velocity of 87 m/s at 5.9 degrees from the horizontal. ...

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Q: A rod 12.0 cm long is uniformly charged and has a total charge of -21.0 µC. Determine the magnitude ...

A: Given, length of the rod, L = 12.0 cm total charge, q = -21.0 μC point is at, r = 32.0cm from its ce...

Q: 1. How much current must there be in a circuit if 100 coulombs flow past a point in the circuit in 4...

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Q: Convert the quantity from 14 m/s cm to miles per hour (mi/hr).

A: Given data:  14 m/s Required: Convert into mi/hr

Q: Kayla is measuring how long it takes a ball to roll down a hill. The ball has a starting velocity of...

A: Given  Starting velocity, U = 2.6 m/s  Final Velocity ,V = 8.0 m/s  Time taken, T = 5.5 sec  Ball ro...

Q: Three forces act on a point. : 3 N at 0 degrees, 4 N at 90 degrees, and 5 N at 217 degrees. What is ...

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Q: A projectile is fired with an initial velocity of 320m/s at an angle of 15o with the horizontal. Fin...

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Q: 5. Induction is not possible when the objects are not in contact. 6. Electrostatic induction is more...

A: As per our guidelines we will solve first three questions for you. To get remaining questions solved...

Q: What is the value of the specific heat of glass in kcal/(kg . °C) if 1 kg of glass absorbs 16 kcal w...

A: Write the expression for the absorbed energy. Here, m represents the mass, c represents the specifi...

Q: В. The atmospheric pressure P decreases exponentially with elevation h as follows, P(h) = P,e-gh/A ,...

A: The atmospheric pressure decreases exponentially with elevation as : P(h) = Poe-ghA  

Q: Q) If the velocity of blood flow in the aorta is about (0.32 m/s) , what pulse frequency would you e...

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Q: A vector field is given as W = 4x2y ax - (7x + 2y) ay + (4xy + 2x2) az. If the field is at point P(2...

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Q: A small ball of mass 0.54 kg is attached to one end of a 1.60-m-long massless rod, and the other end...

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Q: Modified True/False Indicate whether the statement is true or false. If false, change the identified...

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Q: A soccer ball is kicked from the ground with an initial speed of 19.5 m/s at an upward angle of 41.6...

A: Given value--- initial speed = 19.5 m/s. angle = 41.6 degree. distance between both soccer = 52.5 m...

Q: A man throws a stone horizontally with velocity Vi. If the vertical displacement is 69 meters and ho...

A: Given vertical displacement =69m Horizontal displacement =82 We have to find the value of Vi

Q: 3. A dentist's mirror is placed 1.0 cm from a tooth. The enlarged image is located 7.5 cm behind the...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: Q) The Doppler scale uses ultrasound to measure the rate at which blood is spent. Suppose that the d...

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Q: Find the dimensions of a) linear momentum b) frequency c) pressure

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Q: A cabinet of mass 3.7 kg is at rest on a ramp as shown. What is the magnitude of the friction force ...

A: Mass, m=3.7kg As the cabinet is in rest so static friction acts on the cabinet. Given the angle, the...

Q: According to Lentz's law, if a conductor whose position is horizontal (and its orientation is north-...

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Q: Problem Statement: The Coefficient of Restitution is 0.5, and the weight of each object is 2 lb. Det...

A: GivenCoefficient of restitution ,e=0.5Weight of each object ,W=2 lb

Q: At a corner of a 30 mm x 40 mm rectangle is placed a charge of -40µC and at the two adjacent corners...

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Q: A projectile being launched at a velocity of 1.0 km s-1 at an angle of 30° to the horizontal. Determ...

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Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vert...

A: Given The platform have a radius of 2.38 m and a rotational inertia of 463 kg·m2 A 58.2 kg student s...

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.