An electric iron of resistance 4 ohms takes a current of 2 A. Calculate the heat developed in 12 seconds.

Q: A cord connected at one end to a block of mass m-3.0 kg which can slide on an inclined plane has its…

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Q: Find the Impulse Force=11.66 N

A: GivenForce=11.66 NTime=5 s

Q: A group consists of 4 girls &7 boys, In how many ways can a team of 5 members be selected if the…

A: At least one boys and one girl   No of girls to be selected =1,2,3,4   No of boys to be selected…

Q: An electron that is initially 53 cm away from a proton is displaced to another point. If the change…

A: Given: Initial distance ri=53 cm, Change in electric potential energy ∆PE=3×10-28J. Required: Final…

Q: 25. Philip stands at the end of the diving board, 2m from its point of attachment. If the board is 1…

A: This problem can be solved by using formula of shear modulus.  And in the given scenario the only…

Q: A ball is thrown horizontally from the roof of a building 7.5 m tall and lands 9.2 m from the base.…

A: Given: The height of the building is 7.5 m. The horizontal distance traveled by the object is 9.2 m.

Q: A simple electric circuit has a 28 V battery and a resistor of 6 ohms. What will be the current in…

A: The voltage of the battery = 28 V The resistance of the resistor in circuit = 6 Ohms

Q: 3. (Serway and Jewett, Physics for Scientist and Engineers with Modern Physics, 9th Ed) The figure…

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Q: A car travels 240 km in 8 hours. Find the average speed of the car in m/h?

A: Distance, d = 240 km Time, t = 8 hours Average speed, v = ?

Q: Two protons and an alpha particle (a=He nucleus, 2p+,2n0)are held at rest at the corners of an…

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Q: A 300-kg bear grasping a vertical tree slides down at the constant rate of 0.2 m/s2 . The friction…

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Q: Find the displacement Work done=112 J Force=55 N

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Q: The propagation velocity of a wave with a wavelength equal to 500 nm and a natural frequency of…

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Q: What will be the potential energy of 1.04 kg mass kept at height of 3.02 m. [Take g = 10 m/s²]

A: Potential energy = mgh Where, m=mass of the object                g= acceleration due to gravity…

Q: A boll rounds a 29 m radius curve at 2 m/s. The magnitude of it's acceleration in m/s².

A: Introduction :    In this question we are provided with value of  radius and speed . with these data…

Q: acceleration of 1.0 m/s² travels a distance of 10 58. A runner starts from rest and with an meters.…

A: Given data : Acceleration is denoted by a Distance is denoted by S Initial velocity is denoted by U…

Q: 1. What are the correct calculated values ​​for the capacitance factor (capacitance factor, k') and…

A: The capacity factor tells you how long a compound can be kept in the stationary phase.The adjusted…

Q: Calculate the momentum of a bullet of 25 g when it is fired from a gum with a velocity of 100m/s.

A: Mass, m = 25 kg Velocity, v = 100 m/s Momentum, P = ?

Q: Calculate the density of solid from the following data: (a) Mass of solid (M) = 72g (b) Initial…

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Q: 10 cm + O O 10 cm O270⁰ O 10 cm O O O O Gambar 1 A cooper conductor has 1 mm of diameter, placed in…

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Q: Uranus (mass = 8.68 x 1025 kg) and its moon Miranda (mass = 6.59 x 1019 kg) exert a gravitational…

A: Given data:  m1 = 8.86×1025 kg and m2 = 6.59×1019 kg Gravitational force (F) = 2.28×1019 N Required:…

Q: Find the density of object Mass=22 kg Volume=0.003 m3

A: Given data : Mass=m Volume=V   Required : Density

Q: Calculate the momentum of a bullet of 25 g t is fired from a gum with a velocity of 100m/s.

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Q: One gram of water and 1 gram of soil (“land”) are at a temperature of 20°C (68°F). If 5 calories of…

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Q: The graph shows vx vs. t for an object moving along the x-axis. Vx (m/s) 40 20 2 4 6 8 10 12 14 t(s)

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Q: If a P.D. of 12 V is applied across a 30 resistor then the current passing through it is (a) 36 A…

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Q: Find the density of object Mass=22 kg Volume=0.003 m3

A: Given  Find the density of object  Mass, M = 22 kg  Volume, V = 0.003 m3

Q: A solid ball of mass m rolls downward along the surface inclined plane θ. Using Hamilton's equation,…

A: Given, mass of the solid ball, m inclination angle of plane, θ

Q: A stone is dropped from the upper observation deck of a tower, 350 m above the ground. (Assume g =…

A: Hi, you have submitted multiple questions and it is not specified in which problem you need help.…

Q: Consider a block is sliding down an inclined plane. There is friction. Which angle would result in…

A: Given A block sliding on a rough inclined surface We have to find on which angle 30° or 60° speed of…

Q: Find the kinetic energy Mass=2 kg Velocity=5.31 m/s

A: Given, mass of an object, m =2 kg velocity, v = 5.31 m/s

Q: of the substance? What is the melting temperature? The freezing temperature? The condensation 6.…

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Q: al., Sears and Zemansky's University Physics: with Modern Physics 13th Ed) If the force on the…

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Q: Find the force applied Pressure-8.8 N/m2 Area=2 m2

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Q: The sound waves travel with speed of 456 m/s. If is wavelength is 8 cm, Find the frequency of wave?

A: Introduction :   In this question we are provided with value of wavelength and wave speed . with…

Q: Compute the Impulse Force=1.88 N Time=2.33 s

A: Write the given values with the suitable variables. F=1.88 Nt=2.33 s Here, F is the force and t is…

Q: The figure is a bird's eye view of a horizontal disc, which can rotate about a vertical xis through…

A: angular displacement = θ= 4 rad initial angular velocity = W0= 0 final angular velocity = W = 90…

Q: A ball is dropped in a stationary elevator and hits the floor in 0.65 s. How long does it take for…

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Q: = (b) The figure below shows an arrangement of 15 identical disks that have been glued together in a…

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Q: Compute the resistance value Voltage=22 Volt Current 6.66 A

A: Given data : Current=i Voltage=V   To find : Resistance

Q: in SO CO I Location of Object CONVEX LENS A. Beyond 2F' B. At 2F¹ C. Between 2F' and F' D. At the…

A: Solution:-

Q: 3. A gamma-ray photon is Compton-scattered off of an electron. The photon has an initial energy of…

A: Initial energy of photon, E=3.80 MeV Kinetic energy of scattered electron, Ke = 1.90 MeV

Q: A small hot iron nail is put into a pot of cold water. Which of the following is true? The decrease…

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Q: Two point charges of magnitude 4 nC and 5 nC are separated by 39 cm. What is the potential…

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Q: The intensity of x-ray beam directly proportional with the atomic number of the anode material True…

A: As per our guidelines we can answer only one question. More the number of protons (atomic number)…

Q: A charge of 2.75 pC is held fixed at the origin. A second charge of 2.75 pC is released from rest at…

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Q: what force would be needed to produce an acceleration of 8 m/s² in a bull of muss 7.00 kg ?

A: Introduction :  In this question we are provided with value of mass and acceleration . With these…

Q: A projectile is fired from the ground level at an initial angle of 80' above the horizontal and…

A: As we know,  θ = 80° (a) Range (R) = u^2 Sin 2θ/g  R = 14 m  u^2 = 401.15 u = 20.03 m/s

Q: Find the force applied Pressure=111 N/m2 Area 30 m2

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Q: The sound waves travel with speed of 456 m/s. If is wavelength is 8 cm, Find the frequency of wave?

A: Given, Speed of sound wave (v) = 456m/s  Wavelength of wave (λ)= 8cm