How to find the direction of the induced field, the direction of the current, and the polarity of the induced emf?

Q: What is the magnetic force that 0.50 m of a current-carrying wire experiences as 3.0 A of current…

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Q: If the momentum of a flying brick is 50 kg x m/s and it's mass is 12 kg. Find its velocity?

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Q: he force of air resistance increases as   Question 3 options:   velocity   area squared   inverse…

A: Due to pressure and drag force air resistance increases.

Q: Why did you use q2 as positive 3 instead of negative given that the original value of it is negative

A: when q2 is taken as -3uc , then in force value a -ve sign will appear.

Q: Write true if the statement is true. If not, write false and change the underlined word to make the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: For the circuit shown below, the current /= 2.0 A. Find the potential difference from B to A. B…

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Q: A baseball and a ball-shaped slime, both 70g, are thrown at a brick wall with equal speeds. The…

A: mass of baseball and baseball shaped slime = 70 g The baseball bounces whereas the slime sticks Let…

Q: اسم الطالب : نبا صابر جابر لايوجد الكلية القسم المرحلة : الكلية التقنية الطبية قسم هندسة تقنيات…

A: Active medium is the vibrational transition in the CO2 that results in the lasing action.

Q: A 5-kg ball moving with a velocity of 8 m/s collides head-on with another ball of 2-kg mass and…

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Q: How many coils must a loop have with a cross-sectional area of 0.50m? that is pulled through a…

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Q: If you add 400 J of heat to a system so that the final temperature of the system is 200 K, what is…

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Q: FIND IMPULSE VALUE Force=12.1 N Time=2.3 s

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Q: (COLLAB) A new design of Saturn 12 rocket with mass 1.72 x106 kg has a propulsion engine that can…

A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…

Q: Suppose you use 57 kWh (kilowatt hours) of electricity at $0.35 per kWH, 91 kWh at $0.26 per kWh,…

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Q: 8. A proton is moving in a magnetic field with a magnitude of 6T at a velocity of 9x106m/s…

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Q: 1. A 200-N block in contact with a level plane is acted upon by a horizontal force P = 100N. The fk…

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Q: A rock is attached to an end of a 0.80 m rope. You whirl the 2.0 kg rock in a circle while holding m…

A: we know work done is W=F·S where F is force and S is displacement

Q: Write true if the statement is true. If not, write false and change the underlined word to make the…

A: Answer:-  (1)Gamma rays are ionizing :- True  Because  There are three main kinds of ionising…

Q: Q12 Calculate the constant of the coil of the galvanometer if you know that the coil is square in…

A: At equilibrium, deflecting couple = restoring couple nBIA=CθC=nBIAθ

Q: A metal rod 40.125 cm long at 20°C and 40.148 cm long at 45°C. Calculate the average coefficient of…

A: Given: The intial length of the metal rod is 40.125 cm. The final length of the rod is 40.148 cm.…

Q: A man weighs 128 lb on the surface of the earth (radius = 3960 miles). At what distance above the…

A: The gravitational acceleration changes with the change in height. Therefore, the weight of an object…

Q: 6. A proton moves through a uniform magnetic field, B = 5μT at a velocity, v= 8 x 10-6m/s. Calculate…

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Q: A 0.60 mW laser produces a beam with a cross section of 0.85 mm2. Assuming that the beam consists of…

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Q: How can you raise the awareness of the youth on community project development?

A: Youth are the backbone of the human society. The developement of a society and a country depends on…

Q: A train is 510 m long runs at 88 m/s. Calculate the time ?

A: Given data :                          Speed    =    S                       Distance    =    D…

Q: der two different media, one water and the other unknown. With them, it is determined that the…

A: Given:-  Consider two different media, one water and the other unknown  the critical angle is 55o.…

Q: A speed skater increases his speed from 10m/s to 12.5m/s over a period of 3s while coming out of a…

A: Given data, Initial Speed (u)=10 m/s Final velocity (v)=12.5 m/s Time period ∆t= 3 s Radius of the…

Q: Find the gravitational potential energy of a light that a mass of 12.4 kg and is 4.6 m above the…

A: Given data :                    Height     =     h               Gravitational pull    =   g…

Q: 9. You are about to take a picture of a bullet traveling at 250 m/s, then a very brief flash of…

A: A quick shutter speed is used to limit the exposure and limit blurring but when you are taking about…

Q: Given that This circuit runs on the flashbulb of a camera. Circuit is powered by 4 AA batteries each…

A: Total emf from the 4 batteries in series, E = 6 V (1.5V×4)capacitance of the capacitor, C =…

Q: Three capacitors of 2, 3 and 6 µF, are connected in series, to a 10 V source. The charge on the 3 µF…

A: Given data: The capacitors are, C1=2 μFC2=3 μFC3=6 μF The voltage across the capacitor is V=10 V.

Q: Read the questions carefully and answer them briefly. Provide illustrations whenever possible. 1.…

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Q: A coil with 20 turns of wire is wrapped around a tube with a cross-sectional area of 1.0 m2. A…

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Q: A train is 510 m long runs at 88 m/s. Calculate the time?

A: Length (L) = 510 m speed (v) = 88 ms

Q: Why do astronauts use radios while talking to one another in outer space?

A: Astronauts use radios while talking to one another in outer space.

Q: An object is placed 12cm from a converging lens and the image appears at 24cm on the opposite side…

A: Given: The distance of the object from the lens is 12 cm. The distance of the image from the lens is…

Q: 7.4. A 72.0-kg swimmer jumps into the old swimming hole from a diving board 3.25 m above the water.…

A: Use energy conservation to find his speed just he hits the water if he just holds his nose and drops…

Q: What is the intensity of a sound hitting a phone microphone when it has a surface area of 4cm² and…

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Q: A 70.0 kg rocket accelerates upwards at 5.00 m/s². Determine the force the engines provide. Include…

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Q: 600g of ice at -8°C is put inside a calorimeter filled with 4000g water at 20 °C. What is the final…

A: Given data: The mass of ice is m=600 g. The temperature of ice is Ti=-8°C. The mass of water is…

Q: When a body of unknown mass is attached to an ideal spring with force constant 120 N/m, it is found…

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Q: Question 4 The section of a beam at which the bending moment changes from positive to negative is…

A: We need to comment on the name of the point at which bending moment of a beam changes sign from…

Q: What are the energy and average power output by a 55 kg cyclist would be required to ride up a 5 km…

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Q: In the motion of translation all the particles have ___ of linear displacement, linear velocity, and…

A: The motion in which all constituent particles moves with uniform displacement, velocity and…

Q: A 2.5 kg wooden block hangs from the end of a 1.4 kg, 1.0 m long iron rod that swings from a…

A: Here for this problem we will use two principles: 1. Conservation of angular momentum 2.…

Q: Hwo about the 5C? Why did it not change to negative?

A: The polarity of charge 5C is positive. So, it can’t be negative.

Q: The electric potential energy stored in the capacitor of a defibrillator is 110 J, and the…

A: Given: The electrical energy stored inside the capacitor is 110 J. The capacitance of the capacitor…

Q: Jorge has an electrical appliance that operates on 120 V. He will soon be traveling to Peru, where…

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Q: Find Density of object of mass 17 kg which accupies space of 0.5 m³

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Q: Consider a blue ring centered around the m. The ring has 250 nC of charge, a radius of 0.8 m and…

A: charge Q = 250nC Electric field at a distance 15 units from circular ring have to find. The electric…