An electric iron of resistance 3 ohms takes a current of 4 A.Find the heat developed in 2 seconds.

Q: The cable AB carries a tension of 410 N. Determine the moment about O (positive if counterclockwise,…

A: GIVEN: Tension in cable =419N distance between OA =320mm distance between OB = 690mm angle between…

Q: A man weighs 800 N on Earth. Calculate its weight on the Moon, knowing that the mass of the Earth is…

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Q: What is the net force on the object? If the net force is rightward/upward, enter a positive value…

A: Given data:  Three forces on the object Fx = 13.5 N, towards left Fy = 13.5 N, towards right Fz =…

Q: The peak force on a runner’s foot during a race is found to be vertical and three times his weight.…

A: Given  m = 75 kg  Weight of the person  w = mg       = 75 × 9.8 N       = 735 N

Q: Find the momentum Mass=0.99 kg Velocity=1.1 m/s

A: mass(m)=0.99 kg velocity(v)=1.1 m/s momentum(p)=mv

Q: Find the Density Mass=33 kg Volume=0.01 m3

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Q: Compute Impulse Force 12.145 N Time=0.88 s

A: Given in question: Force(F) = 12.145 Newton                                 Time(t) = 0.88 seconds…

Q: (I) A service station charges a battery using a current of 6.7 A for 5.0 h. How much charge passes…

A: In this question we have to find the charge passing through the battery. Please give positive…

Q: Margie, who weighs 649 N, is standing on a bathroom scale that weighs 55.0 N. a.  With what…

A: Given data:-  Margie's weight is Wm = 649 N  bathroom scale weight is Ws = 55 N  Find:-  a) what…

Q: A large crate has a mass of 120 kg and sits on a horizontal floor. You push on the crate with a…

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Q: Find the speed of dog Distance 25 m Time=2 s

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Q: The 25-Mg boxcar A 16m/s to the right is coasting on the horizontal track when it encounters a 9-Mg…

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Q: The aorta carries blood away from the heart and eventually branches into a large number of…

A: The approximate number of capillaries in the human body is 5.19 × 1010 capillaries.

Q: wondering how to work out question d and can u explain the formulas included

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Q: The gradient of velocity versus time graph is equal to

A: The gradient of velocity versus time graph is equal to the  acceleration.

Q: Find mass Force 11 N Acceleration=2.3 m/s2

A: Given data : Force=F Acceleration=a   Required :   Mass=m

Q: If a firetruck exerts a horn of 507 decibals, how many watts of power hits your eardrum? Explain…

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Q: Jon Snow has a mass of 70 kg. He jumps down by 1m and hits ground 0.02 s. If he did not bend his…

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Q: Negative acceleration is known is-----

A: The answer for given question is given in the next section,

Q: The Xanthar mothership locks onto an enemy cruiser with its tractor beam (see the figure below);…

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Q: 10.28 Determine the constant torque that must be applied to a 50-kg flywheel, with radius of…

A: Given data: Mass of flywheel, m=50 kg Radius of gyration, k=40 cm=0.4 m Angular velocity, f=300 rpm…

Q: A man stands on a freely rotating platform, as shown in Fig. 10-9. With his arms extended, his…

A: Angular frequency, ω1 = 0.25 rev/s Angular frequency, ω2 = 0.80 rev/s Ratio of moment of inertia,…

Q: (a) What magnitude of point charge (in UC) creates a 1000 N/C electric field at a distance of 7 m…

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Q: A charge 5 μC is on the y-axis at y = 3 cm, and a second charge of –5 μC is on the y-axis at y = −3…

A: Electrostatic force is fundamental force. It depends on 2 charges and distance between them. Force…

Q: A 2.0 kg object compresses a spring with a spring constant of 100 N/m by a distance of 8 cm, and…

A: In the given question, Mass of the object (m) = 2kg Spring constant (k) = 100N/m compression…

Q: Find area Pressure=0.66 N/m2 Force=2 N

A: Given data : Force=F Pressure=P   Required: Area

Q: Find the momentum Mass=5.012 kg Velocity=0.33 m/s

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: 9. A ball is thrown vertically upward from the ground with an initial speed (9.8 m/s). The maximum…

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Q: 4) The Richter scale is used for measuring the magnitude of an earthquake. The Richter magnitude R…

A: Given  Magnitude of earthquake given by Richer's scale :-  R = 0.67 log(0.37E)  + 1.46     Here ,…

Q: Suppose an electron is released from rest in a uniform electric field whose magnitude is 6.30 x 10³…

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Q: During a thunder storm over the summer, you want to estimate the distance in kilometers (not miles!)…

A: During a thunder storm over the summer, if we want to estimate the distance in kilometers of a flash…

Q: A ball player catches a ball 3.04 s after throwing it vertically upward.

A: In this question we have to find speed and height of ball. Please give positive feedback if the…

Q: soccer player takes a corner kick, lofting a stationary ball 36.0° above the horizon at 17.0 m/s. If…

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Q: If = x²yz³ + 2z²y² find (a) Vo at the point (1,-1, 1) (b) the magnitude of Vo at (1,-1,1) (c) the…

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Q: each) 1. A particle moves so that its position as a function of time in SI units is r = i + 4t²j +…

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Q: A car of weight 180 kg. To what height should it be raised so that potential energy is 1420 J? Take…

A: Introduction :  In this question we are provided it value of potential energy ,mass and acceleration…

Q: The intensity of the refracted ray when light travels from an optically denser medium to a less…

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Q: An angular velocity of 10 rad/s is how many revolutions per minute (RPM)? Group of answer choices…

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Q: box with 17 kg of mass slides down an inclined plane that is 1.8 m high and 3.7 m along the inclined…

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Q: a 30 kg crate rests on a horizontal floor, and a 60 kg person is standing on the crate. determine…

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Q: Find final velocity Initial velocity=0.2 m/s Acceleration=10 m/s2 Time=2 s

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Q: how much power in watts is required to accelerate a 1200 kg car from rest to 16 m/s in 8 seconds…

A: Solution: Given: m = mass of car = 1200 kg u = initial speed of car = 0 m/s v = final speed of car =…

Q: Taeyang whose mass is 45 kg steps on a weighing scale in an elevator. If the scale reads 460 N,the…

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Q: Find the impulse Force=0.2123 N Time=30 s

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Q: Given data Time = 6 h Distance = 220 km Find the average speed ?

A: Given data: Time (t) = 6 h Distance (d) = 220 km Required: The average speed

Q: 2. All of the following statements are true EXCEPT: - - Radio waves have the biggest wavelength but…

A: GIVEN: Radio Wave  Visible  light Ultraviolet  X-ray  Gamma rays

Q: Find the Area Pressure=20 N/cm2 Force=10 N

A: Given Pressure is P=20 N/cm^2 Applied force is F=10 N

Q: Compute Impulse Force 12.145 N Time=0.88 s

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Q: Find the Area Pressure=20 N/cm2 Force=10 N

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Q: 2. A stone is thrown from the top of a building upward at an angle of 30.0° to the horizontal with…

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