Find distance covered Speed=75 km/hr Time=1 hr

Q: 37. (1) One end of a 56-cm-long copper rod with a diameter of 2.0 cm is kept at 460°C, and the other…

A: Given : L=56 cm = 0.56 m Diameter = 2 cm = 0.02 m Area =πr^2=3.14*0.01*0.01=0.000314  ΔT= (460 -…

Q: 3. Given three color coded resistors; R₁ (Black, Orange, Green, Gold), R₂(Grey, Black, Orange,…

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Q: Consider a beam of electrons that moves from the electron gun towards the screen of a cathode ray…

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Q: 44. A magnetron in a microwave oven emits electromagnetic waves with frequency f = 4000 MHz. What…

A: frequency of electron in the magnetic field f= q×B2×π×m B= 2×π×m×fq

Q: Find current Voltahe 12 Volt Resistance 3.4 Ohms

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Q: For each case below draw a ray diagram. Draw the image as an arrow and give a description of the…

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Q: The value of specific heat for copper is 390 J/kg C°, for aluminun is 900 J/kg. C°, and for water is…

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Q: Coulomb's Law and Electric Field Calculations: What are the electric fields at points 1, 2, and 3 in…

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Q: Which of the following is not true about Newton's theory for light as a particle? a. Light…

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Q: What quantity is being conserved in Kirchhoff’s current rule? Group of answer choices Charge…

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Q: A jump can push water at a height of 8 m at a rate of 2 kg/s. What is the power outpu

A: We know thatP=Et                      (1)WhereP=PowerE=Energyt=time takenEnergy is equal to…

Q: Q-1: A horizontal force F = 380 N is necessary to start raising the block A. The coefficient of…

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Q: 6. A copper wire carries a steady 50 A current to an electroplating tank. Find the magnetic field…

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Q: A box of mass m = 2 kg is kicked on a rough horizontal plane with an initial velocity v_0. If the…

A: Given:Mass of box is 2 kgInitial velocity is voFinal velocity is 0 m/sWork Done is -36 JTo…

Q: An object is attached to a spring and oscillates on a frictionless horizontal surface with an…

A:

Q: Consider the following equation: F = G mm₂ r² (Note: [F] = ML/T², [m₂] = [m₂] = M, and [r] = L) For…

A: The equation of the gravitational force is expressed as F=Gm1m2r2

Q: What is the minimum amount of energy required to completely melt a 7.25kg lead brick which has a…

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Q: Describe the difference in what happens when you move the magnet through the coil slowly vs.…

A: The moment of the magnet through the coil gives us induced voltage in the coil which is produced due…

Q: Refer to the diagram below. What would be the value of the total resistance? ww 1 ohm A 4 ohm 2 ohm…

A: Given data:  Two resistors 1 Ω and 2 Ω are connected in parallel, this combination connected in…

Q: What would be the resistance if a 4-band carbon resistor had the following color on it: red, green,…

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Q: A current loop with a resistance R = 50. ohms and an area A = 0.20 m2 is oriented perpendicular to a…

A: If B be the magnetic field,A be the area of the current loop & θ be the angle between the…

Q: Find Density of object of mass 32 kg which accupies space of 0.12 m³.

A: Given value--- mass = 32 kg. Volume = 0.12 m3 . We have to find--- density?

Q: Calculate the index of refraction of sugar solution through which light travels at 2.06 x 10^8 m/s

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Q: SOLUTION IS NEEDED How much calories of heat are needed to convert 500 grams of water at 30°C to…

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Q: 00 You can touch the aluminum pan after it has been taken from the hot oven, but you'll burn your…

A: Aluminium has a low heat capacity so transferring a small amount of energy lowers the temperature of…

Q: Where is correct position of the object if the position of the image is at F creating a real image…

A: Image will formed at F only when object is at infinity.

Q: The equation Fo True GMm is only valid far from Earth's surface.

A: Newton's law of gravitational force state that the force of attraction between the two mass m1 &…

Q: 20. A conductor of cross-sectional area A, length l, and resistivity ρ has resistance R. What is the…

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Q: speed of car Distance covered=212 m Time=2.3 s

A: given distance covered (d)=212 m Time (t)=2.3 sec required Speed(v)=?

Q: How much energy in Joules is needed by a 10 grams of ice at -30°C to become steam at 120°C? Express…

A: Temperature  of ice(Ti) = -30°c Final temperature of steam (Ts) = 120°C

Q: When Fritz drives to work his trip takes 36 minutes, but when he takes the train it takes 20…

A: The formula

Q: Heat is being added to 300g of ice at 0°C at the rate of 105 J/s. How long will it takr to…

A: Heat is just energy in transit. Flow of energy thermal is heat. It increases temperature. It flows…

Q: Water is to be brought into the top of a 50 m high building using an electric water pump from the…

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Q: SOLUTION IS NEEDED A wood door at 27°C has a length of 80 cm and a width of 200 cm. During a hot…

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Q: Find the density Mass=3.3 kg Volume=0.001 m3

A: Given : Mass = 3.3 kg Volume = 0.001 m3

Q: Calculate the voltage if the resistance is 26.02 ohms and the current is 12 A ?

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Q: SOLUTION IS NEEDED How much total energy in Joules is generated in a machine gear if its temperature…

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Q: IVJPC An object on the ground is launched at 30 m/s at an angle of 58° above the horizontal. If the…

A: Given: The initial velocity of the object is 30 m/s. The angle of projection is 58o. The height of…

Q: A metal rod is 30.725 cm long at 10°C and 30.743 cm long at 65°C. What is the average coefficient of…

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Q: SOLUTION IS NEEDED A steel string guitar is strung so that there is negligible tension in the…

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Q: n=2.78 h=31m Find PE g=lom ls2

A: Potential energy depends on the force acting on the two objects. For the gravitational force the…

Q: For a mass-spring system that undergoes a simple harmonic motion with amplitude A, determine the…

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Q: Four resistors, R1 = 100 ohms, R2 = 250 ohms, R3 = 350 ohms, and R4 = 200 ohms are connected such…

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Q: Find the speed of car Distance covered=212 m Time=2.3 s

A: Given : Distance covered (x) = 212 m             The time taken (t) = 2.3 secs   To find: Speed of…

Q: 2. A cylindrical metal rod is 1.90 m long and 5.50 mm in diameter. The resistance between its two…

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Q: A ball moves on a frictionless *6 p track as shown below. The horizontal plane passing through the…

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Q: 20°C 25°C During day time, water is colder than the sand. Which has higher specific heat capacity,…

A: Water has higher heat capacity, as it requires more heat to raise its temperature.

Q: 2. A beam of electrons moves at 5.0 x 105 m/s through a uniform 4.0 T magnetic field directed along…

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Q: Find Density of object of mass 32 kg which accupies space of 0.12 m³.

A: Given data :- mass of the object m = 32 kg volume/space occupied V = 0.12 m3

Q: Given data: Mass = 25 kg Density 670 kg / m³ Determine the volume

A: Given data:  Mass (m) = 25 kg Density (ρ) = 670 kg/m3 Required: Volume (V)