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A: I this question we have to find whether the sound is lower than 90 dB or not. Please give positive…
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A: Given: The weight of the balloon is 8.6 N. The area of contact with the table is 6.7x10-3 m2.
Q: An inclined plane makes 35 degrees with the horizontal. What force is needed to keep an 345 kg…
A: Angle(θ) = 35° Mass(m) = 354 kg g=9.8 m/s2
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Q: What is the calculation?
A: The calculation is shown below.
Q: If a · b = 9 and a= 3, what is | b equal to? А. 9 В. 81 С. 3 D. More information is required
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A: In this question we have to determine the magnitude of the upward force acting on it. Please give…
Q: A 2.0-keV deuteron passes undeviated through a velocity selector with a magnetic field of 40 mT.…
A: F = magnetic force acting on a moving charge particle = q(V × B) v = speed vector B = magnetic…
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A: For the ray-transfer matrix, we consider the angles made to be relatively small and the system is a…
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Q: Karen is driving 65 km / h [E30S ] when suddenly she turns and is travelling at 45km / h S50E . If…
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Q: An ambulance is passing by a stationary detector emitting a 495 Hz signal . The detector measures a…
A: We use Doppler effect of sound to solve this problem
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Q: Ocean tides are the result of the combined gravitational effects of the Sun and Moon upon Earth. If…
A: Let the mass of the sun = M Let the mass of the earth = M' Let the mass of the moon = m Let the…
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Q: What is the magnitude of the magnetic field at the center of a loop of radius R = 5 cm and carrying…
A: Given data :- Radius R = 5 cm = 0.05 m Current I = 2 A μo/4π = 10-7 T.m/A
Q: A hypothetical charge 36pC with mass 72fg has a speed of 53 km/s and is ejected southward entering a…
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Q: A circular loop of wire with a radius of 5 cm lies in the xy plane and carries a current of 2 A,…
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Q: Two point particles, one with charge +8×10-9 C and the other with charge −2×10-9 C, are separated by…
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Q: wo pure tones are sounded together. The drawing shows the pressure variations of the two sound…
A: The pressure variations for two pure tones is shown in the figure
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A: Write the given values with the suitable variables. k=58 N/mm=0.52 kgx=5.75×10-2 m Here, k is the…
Q: Would the world, the universe, be different if the electrons had positive charge and protons…
A: Given in question - " If the electrons had positive charge and protons negative charge." Solution -…
Q: DYNAMICS 1. A 5.0 kg block is placed on an incline. The mass is connected to a massless spring by…
A: Only one question per post is allowed please send remaining question new post.
Q: For a thin lens situaiton, you have detemined the image distance is negative. Which of the following…
A: the image distance is determined to be negative for a thin lens situation
Q: A position vector with magnitude 20 m points to the right and up. Its x-component is 16 m . What is…
A: Magnitude (r) = 20 m X- component (x)= 16 m
Q: The Venturi meter shown reduces the pipe meter from 0.1m to a minimum of 0.05m shown in Fig. 1…
A: Given:- The Venturi meter shown reduces the pipe diameter from d1= 0.1m to a minimum of d2= 0.05m…
Q: Find the mass of object K.E=1020 J Velocity=25 m/s
A: Given data : Kinetic energy = K•E Velocity…
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Q: Calculate the electrical energy consumed in Joules if a toaster of 55 W is used 5 min
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Q: Part A A1.31 kg object is attached to a horizontal spring of force constant 2.70 N/cm and is started…
A: mass of object = 1.31 kg force constant (k) = 2.70 Ncminitial displacement (A) = 6.50 cm maximum…
Q: bat flying at a speed of 5.9 m/s pursues an insect flying in the same direction. The bat emits a…
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Q: What happens if you place a neutron and an electron close together?
A: We will answer the question using the fact that same charges repel and opposite charges attract.
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Q: Let = 317 units @ 199.5 degrees B= 312 units @206 degrees C = 358 units @ 1949 degrees If D= A+ B+ Č…
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Q: Consider two charged parallel plates that are separated by a distance of 2 m i an electric charge of…
A: Dear student The work done in taking a charge from A to B in potential difference ∆V is given by: W…
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- If an appliance has a current of 2.5 amperes and will be used for 8 hours. Whatis the battery capacity needed in terms of mAh?The current in the circuit is 5A and the voltage is 15V . Then find the value of the resistance in ohm ?The primary of a certain transformer has 2.7 turns per volt of applied voltage. How many turnsmust there be on a 5-V secondary winding?
- How many cells, each one having an open circuit emf of 4.5 V and an internalresistance of 0.5 ohms, are needed to supply current of 1.421 A to a resistor of 3 ohms ifthe cells are connected in parallel?What voltage produces a current f 500 amps with a resistance of 50 ohms?In the next diagram, the voltage through the circuit is 100 V. Determinethe electric charge and voltagein each capacitor.