Explain why solar energy is attractive as a renewable energy source worldwide

Q: e roof, descends another vertical 7.0-meter ladder, and returns to his starting location on the…

A: GivenMass of carpenter, m=75 kgHeight of ladder, h=7 mDistance travelled on roof, d=12 m

Q: .. The electric charge in a plane of charges is 100m^2. What surface density does the plane have?

A: Let, charge on plate is Q coulomb.  Area of plate = 100 m²

Q: travels past Alice at a constant spe th

A: GivenGivenv=0.986 cθ=41.3 °

Q: 3. A box, initially at rest, is placed on the top of the frictionless incline shown. 6 m A) Using a…

A: The free-body diagram of the box is shown below. Here, N is the normal force, a is the…

Q: standing wave of the third overtone is induced in a stopped pipe, 9 m long. The speed of sound is…

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Q: Based on the particle-in-a-box model, answer the following questions. Use equations, plots, and…

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Q: Assume the acceleration of the object is a(t) = −9.8 meters per second per second. (Neglect air…

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Q: A crate of mass 60 kg is pushed along a floor with a force of 18 N for a distance of 3 m. Calculate…

A: Mass ( m ) = 60 kg  Force ( F ) = 18 N  Displacement ( d ) = 3 m

Q: During each cycle of its operation, a certain gasoline engine consumes 500 joules of chemical while…

A: Write the given values with the suitable variables. Q1=500 JQ2=300 J Here, Q1 and Q2 are the heat…

Q: For the circuit shown in the figure, calculate the following. (Assume E- 8.46 V and R = 6.48 N.)…

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Q: I think letter b is incorrect, the magnetic force shoud be 2.4x10^-4 N and it is not 2.4 x10^-14N

A: The calculation for B:

Q: · A projectile of mass 9.4 kg is fired straight up with an initial speed of 470 m/s. How much higher…

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Q: A square loop with side length L carries a current I, counterclockwise. The loop is placed in a…

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Q: Problem 11 In the figure below, the location A is at (-0.96, 0, 0) m, the lcation Bis at (1.3,0, 0)…

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Q: An object is placed 26.7 cm to the left of a diverging lens (f = -2.42 cm). A concave mirror (f =…

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Q: Find the kinetic c enerqy f a ball of 380g at aveloty mass, 48cm/s

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Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

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Q: below. The vertical wall of the building is 4.0 m high, forminga 2-m-high railing around the…

A:

Q: A bag of wheat weight 2300 kg .To what height should it be raised so that potential energy is 7890…

A: Given data:  Mass (m) = 2300 kg Potential Energy (PE) = 7890 J Acceleration due to gravity (g) = 9.8…

Q: When moving in a circle, if the speed were to increase…the shape of the circle would Increase…

A: We will answer the first question since the exact one is not specified. Please resubmit the question…

Q: As a gasoline engine is running, an amount of gasoline containing 11,100 J of chemical potential…

A: Given Data: The input energy is: Qi=11100 J The output energy is: Qo=3700 J

Q: An arrow is shot vertically upward and then 1.87 s later passes the top of a tree 37.0 m high. How…

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Q: If the wooden crate moves with a constant speed to the right, which of the following is TRUE? * A…

A: Given data:  The pulling force on crate = P, towards right  Crate moves with constant speed towards…

Q: Why the height of an object increases and then decreases as time passes ?

A: This is possible for motion under gravity

Q: A motor boat moves at a steady speed of 2 m/s. Water - resistance acting on it is 1440 N. Calculate…

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Q: A particle experiences the displacement shown. What is its velocity at t = 1 s? s = 2 m a circular…

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Q: What will be the color of a sheet of paper containing red pigment when yellow light shines on it?…

A: Answer a) Red , b) Black

Q: 7.00 1 4.00 0 9.00 0 (a) Find the equivalent resistance between points a and b in the figure. (R =…

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Q: A rickshaw puller pulls the rickshaw by applying a force of 110 N. If the rickaw moves with constant…

A: Data provided:  Force (F) = 110 N Velocity (v) = 38 km/h Required: Power (P)

Q: Observers at locations due north and due south of a rocket Launchpad sight a rocket at a height of…

A: The above situation is shown below. Here, A and B represent the position of the observers.

Q: two objects of mass m and M interact with a central force that varies as 1/r^4 with…

A:

Q: 1.59 Develop an expression for the damping constant of the rotational dam in terms of D, d, 1, h, w,…

A: Expression for the damping constant of the rotational damper

Q: What is the wavelength of an unidentified wave that has a wave speed of 50 m/s and a frequency of 15…

A: The wave length of the unidentified wave will be 3.3 mm

Q: 2. A peso has a diameter of 20.0°C. The coin is made of a met (mostly zinc) for which the coeffi…

A: Givendo=1.9 cmT1=20°Cα=2.6×10-5 /K

Q: True or False 1. The force of attraction or repulsion between two magnetic poles s directly…

A:

Q: What is the wavelength of an unidentified wave that has a wave speed of 50 m/s and a frequency of 15…

A: Given data :   Wave  speed   =  v   Frequency   =   f        To find :         Wavelength

Q: A student needs to make a voltmeter that measures 200 V full scale. The only galvanometer available…

A: Write the given data. V=200 VI=10 mA=10×10-3 AR1=1 kΩ

Q: 002 The plane of a rectangular coil, 6.1 cm by 9.2 cm, is perpendicular to the direction of a…

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Q: Part A A 6.10 kg block is pushed 9.10 m up a smooth 36.0 ° inclined plane by a horizontal force of…

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Q: The loop in the figure has a resistance of 2.5 Q and is being pulled to the right at 1.0 m/s. X X X…

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Q: A square loop with side length L carries a current I, counterclockwise. The loop is placed in a…

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Q: Car A is traveling at a constant speed v,=130 km/h at a location where the speed limit is 100 km/h.…

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Q: d the velocity of the bird relative to earth  b) Find the t

A: GivenVelocity of each train, vT=50 mi/hInitial distance between A and B Train=100 milesTime taken by…

Q: Your car's 30.0 W headlight and 2.40 kW starter are ordinarily connected in parallel in a 12.0 V…

A:

Q: A circular coil 13.0 cm in diameter and containing nine loops lies flat on the ground. The Earth's…

A: Given DataD=13cmr=6.5cm=0.065mA=6.9AB=5.00×10-5Tα=59.0°N=9 loops

Q: Electric fish generate current with biological cells called electroplaques, which are physiological…

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Q: Find the kinetic energy of a ball of 234 g mass , moving at a velocity Of 34 cm/s ?

A: The Kinetic energy is = 0.0135 J or 135000 erg

Q: 1. Calculate the wavelength of a sound wave that has a frequency of 110 Hz and a wave speed of…

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Q: A Physics student wants to build a flute. He uses a pipe with two open ends. Before the student…

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Q: A ball thrown vertically upward has an upward velocity of 6.48 m/s at a point 11.2 m above where it…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!