The reason we can read print from any direction is that   a. the white part of a page reflects light in all directions.   b. letters emit black light in all directions.   c. letters absorb black light from all directions.   d. all of the above   e. none of the above

Q: A block of mass m=6kg with initial speed of vi=12.5m/stravels a distance d=11.9m on an inclined…

A: This the required FBD of the system. The friction force will be opposite to acceleration a and…

Q: You launch a projectile with an initial speed of 41.9 m/s from the top of a building 26.4 m above…

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Q: flow is attached to the w be. cm.

A: given:

Q: What current will be taken by a 1230 W appliance Is 250 V ? if the supply voltage

A: Given: Power = 1230 W             Voltage = 250 V        We know that Power=Voltage ×Current So,…

Q: A tank filled with water is moving in horizontal direction with a constant acceleration. Because of…

A: Static Pressure In fluid, static pressure is the pressure measured by the observer travelling along…

Q: Express 31 km h-¹ in m s-¹

A:

Q: 3. Which of the circuits has the lowest equivalent resistance?

A: (3) Consider circuit A in which the resistors are connected in parallel. The equivalent resistance…

Q: 1. What is the total mechanical energy (TME) of a 1000kg motorcycle resting on the top of a 10m…

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Q: A car is moving on a straight road 12 m/s. It is acceleration at 24.5 m/s². What will be it's…

A: Given data :               Acceleration     =      a              Initial velocity     =     u…

Q: 7. The work done by gravity in lowering a 3.0 [kg] box from an initial height to the ground is 15…

A: Given: The mass of the object is 3 kg. The work done by gravity is gravity is 15 J. The…

Q: A cylindrical disk of wood weighing 50.0 [N] and having a diameter of 25.0 [cm] floats on a liquid…

A: Weight of cylindrical disk ( W ) = 50.0 N  Height of liquid in a cylinder ( h ) = 60.0 cm = (60/100)…

Q: Find the volume of a liquid present i

A: Given data;  Volume of liquid present in a dish of dimesnions are;    10 cm× 10 cm× 5 cm

Q: Given data: Force = 18 N Time = 4.6 s Find the Impulse

A: Given value--- Force = 18 N. Time = 4.6 s. We have to find--- Impulse?

Q: Express 86 km h-¹ in ms-¹.

A:

Q: A mass of 'M' is attached to a spring whose upper end is fixed. The mass and stiffness of the spring…

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Q: from the sun is D = 150 million km. Using the equation to model the temperature of R² the earth,…

A: Here temperature of the earth                                  Te=…

Q: When a volume of air is compressed, its temperature   Question 10 options:   increases.…

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Q: There are eight identical charges with magnitude Q Coulombs located at the corners of a cube. Four…

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Q: How to calculate the age of the Shroud of Turin given that the amount of 14C found in it is 81% of…

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Q: What current will be taken by a 1230 W appliance if the supply voltage Is 250 V ?

A: We know thatI=PVHereI=currentP=powerV=voltage

Q: What current will be taken by a 1230 W appliance if the supply voltage Is 250 V ?

A: Given  Power of appliance ; P = 1230 W  Voltage (V) = 250 v    Power is given as ; Power (P)  = V ×…

Q: The vectors A and B are given by A = 2î + 3j and B = -i + 29.  (A) Determine the scalar product…

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Q: How can you light a 1.0-W, 1.5-V bulb with your 12.0-V car battery?

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Q: Express 28 km h¹ in m s1

A:

Q: Express 31 km h-¹ in m s-¹

A: Question: Our question is to express 31 km h-1 in m s-1

Q: 27.3 In a 1.25 T magnetic field directed vertically upward, a particle having a charge of magnitude…

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Q: Determine the momentum of a car having mass 164 kg moving with a velocity 16 m/s

A: Given data :                         Velocity    =    V                         Mass     =     m…

Q: (8) Earthquakes are essentially sound waves travelling through the earth. They are called seismic…

A: Given that:vp=8228.0 m/svs=5482.0 m/s∆t=2.16 min=129.6 s

Q: Mass of a body is 2.022 kg, What is it's weight ?

A: Given data :                    Mass of the body    =    m            Acceleration due to gravity…

Q: A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.

A: Given data :                 Current     =     I               Voltage      =     V           To…

Q: A runner goes north 500 m, turns east 1050 m and then goes south for 800 m. What is his displacement…

A: Here to calculate displacement , we just use geometry...,  Displacement :- It is the shortest…

Q: 2- If the rigid body is constrained to rotate about a fixed axis, calculate: i- The kinetic energy…

A: Let the moment of Inertia of the object be I about the given axis, and let the angular velocity be…

Q: Find the tension in each cord and the acceleration of the blocks given that the coefficient of…

A:

Q: Mass of a body is 2.022 kg, What is it's weight ?

A: Given data:  Mass (m) = 2.022 kg Required: Weight (W)

Q: 11. A 0.500 [kg] ball was thrown downward with an initial speed of 5.00 [m/s] from a height of 5.00…

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Q: Harnessing energy from nuclear fusion reactions is very challenging even today because   Question 3…

A: The grand engineering problem in the energy industry is commonly viewed as providing energy via…

Q: Which of the following objects is most dense? O mass = 8.00 kg, volume = 0.00320 cubic meters O mass…

A: The density of the object is defined as the ratio of the mass and the volume of the object.

Q: Express 31 km h-¹ in m s

A: Given data;  Express 31 km h-1 in m s-1

Q: When applying an electric field of magnitude 20.07 megavolts per meter across a resistor made from…

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Q: Mass of a body is 2.022 kg, What is it's weight ?

A:

Q: Calculate the value of force applied if work done is 255 J and displacement is 15.3 m.

A: Given data :                 Work done     =    W                Displacement    =     d…

Q: 20. A disk with radius 50.0 [m] rotates at a rate of 1.50 [rad/s]. What is the tangential speed at…

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Q: A 3.00-kg fish is attached to the lower end of a vertical spring that has negligible mass and force…

A: Using energy conservation we can calculet speed . So kinetic energy 1/2mv^2=1/2kx^2 Then velocity…

Q: Assume this page is perpendicular to a uniform magnetic field and the magnetic flux through it is…

A: Given: When the page is perpendicular to magnetic field the magnetic flux is, φ0=5 Wb. Page turned…

Q: The pendulum swings back and forth. As the height decreases, PE is lost and KE is gained and vice…

A: We know, P.E. = mgh K.E. = 12mV2 A) P.E. = mgh⇒h =P.E.mg=62×9.8=0.306 m B) h =P.E.mg=32×9.8=0.153 m…

Q: Given data: Force = 18 N Time = 4.6 s Find the Impulse

A: Given data:  Force (F) = 18 N Time (t) = 4.6 s Required: The impulse (I)

Q: If a car travelling at 28 m/s is subjected to a steady deceleration of 2 m/s², how long will it take…

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Q: 29 hot air balloons have a mass with a payload (without the air inside) of 200 kg, the temperature…

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Q: If the energy received by 6 m² area in 10 minutes is 3680 KJ. Calculate the value of Solar constant…

A: Given data :                        Time     =      t                       Energy    =     E…

Q: A proton enters a uniform magnetic field (into the page of 7500nT with a speed of 0.91 Gm/s. (a) At…

A: