1. The sum of the resistance of resistors in series can sometimes be greater than the individual resistances. True or False 2. In planet mars the acceleration due to gravity there is also 9.81 m/s2. True or False 3. Vectors are quantity that has magnitude and direction. One example of it is density. True or False

Q: i. Find the direction of electric field, if any, at points P and Q due to the two charges as shown…

A: As charges are equal in magnitude and spacing is the same, then we can conclude that at point P the…

Q: If the dose rate from a sample of Ra-223 was found to be 5.0 × 10-5 mSv per hour at 1.8 metres,…

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Q: Use dimensional analysis to convert the given square unit to the square unit indicated. Where…

A: The given quantity is written as A=20 m2

Q: A typist typing briskly across a room creates an average sound level of 60.0 dB. What will be the…

A: Given value--- sound level = 60 dB. We have to find--- Intensity of one typist?

Q: The fluid in the centrifugal pump is accelerating with the help of (A) Throttle B) Impeller Governor…

A: Required:  The component of centrifugal pump that helps in accelerating the fluid

Q: In the figure R₁ = 4.49 Q, R₂ = 13.5 Q, and the ideal battery has emf & = 10.9 V. (a) What is the…

A: Given value--- R1 = 4.49 ohm. R2 = 13.5 ohm. emf = 10.9 V. time = 1.28 min . We have to find---…

Q: After experiencing an inelastic collision with an electron, a photon underwent a change in…

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Q: Q2. Three point charges Q1-0.9 μC; Q2=-3.0 μC and Q3= -0.9 µC are placed as shown in figure, where…

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Q: A 1 kilogram bead moves with constant total mechanical energy on a frictionless wire track. The…

A: Here , there are two forces acting simultaneously on the bead on every point on the wire track,…

Q: A positive point charge q₁ +110 μC is held at a fixed position. A small object with mass m=25.5 x…

A: Solution: Given: k = Coulomb's constant = 8.99 x 109 N.m2/C2  q1 = charge 1 = +110 μC = +110 x 10-6…

Q: Wave-particle duality requires that a particle of mass m and moving at the speed v will have a de…

A: Wavelength, w=1.28 A°

Q: Coherent light of wavelength 590 nm passes through a thin single slit and a diffraction pattern is…

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Q: The battery in the following diagram has negligible internal resistance. The reading on the ammeter…

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Q: p→ 十十十十月 +++ a b C e

A: Correct option is A

Q: o Hard-boiled egg with shell removed o A bottle or flask with an opening that is just small to…

A:

Q: 10. (II) A small candle is 38 cm from a concave mirror having a radius of curvature of 24 cm. (a)…

A: Given  Position of candle  u = - 38 cm  Radius of curvature of mirror R = -24 cm  a) To find  Focal…

Q: GIVE ONE EXAMPLE WHERE WE CAN FIND AND SEE THE PRINCIPLE OF THE GOLDILOCKS CONDITION. Example: OUR…

A: Solution Goldilock condition example in economy In financial matters, a Goldilocks economy supports…

Q: A0.170-kg baseball pitched horizontally at 33.0 m/s strikes a bat and is popped straight up to a…

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Q: If two perspex rods each have the same number of protons as electrons ;what charge do they have?

A: Charges are basic entity just like mass. Like charges repel each other. Unlike charges attract each…

Q: Current Attempt in Progress An inkjet printer uses tiny dots of red, green, and blue ink to produce…

A: Given Data λred = 660 nmλgreen = 550 nmλblue= 470 nm

Q: Which observation enabled ancient people to make the first compass? a. A certain type of rock would…

A: A compass is a device that indicates direction. So a compass is mainly used for navigation. A…

Q: Jessisa is doing an experiment. She knows that her alpha particle in her expirement has charge 2e…

A: charge on alpha particle (q) = 2echarge on gold nucleus (Q) = 79 eInitial distance between the gold…

Q: . (a) What is the heat capacity of a system consisting of a 0.3600 kg brass cup filled with 0.05000…

A: A) mass of brass cup = 0.36 kg mass of water = 0.05 kg

Q: A particle of mass mA traveling with speed A collides elastically head-on with a stationary particle…

A:

Q: A 15.0-kg stone slides down a snow-covered hill as shown in the figure below, leaving point A with a…

A: Given data:  Mass (m) = 15.0 kg Initial velocity (u) = 10 m/s Vertical Height (h) = 20 m No friction…

Q: 1. ____ are the lighest among subatomic particles. It's ____ charge. 2. Charging by ____ charges…

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Q: You have just been given the following function: V=αx + B₁² ах It describes the electric potential…

A: Electric field is the negative gradient of potential. E = -dV/dr

Q: The velocity computed by the total distance travelled over the total time consumed. a. initial…

A: we know, average velocity = (total distance travelled)/ total time  therefore, the velocity computed…

Q: The truss structure in a Figure Q4a is supported at A and B and has three forces acting vertically…

A:

Q: 9. A pendulum of length 3 m is pulled aside and released. Find the frequency of the pendulum on…

A: Given, Length of pendulum (L)= 3m  Acceleration due to gravity of earth(g)= 9.81m/s2

Q: Three charges, q₁1 = 8.50 nC, q2 = 3.50 nC and q3 = -5.00 nC are distributed as shown in Figure 1.…

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Q: Consider two enclosed cylindrical tanks filled with air. Tank A is 8 ft tall while tank B is 7 ft…

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Q: In the circuit below, calculate (a) the equivalent resistance and (b) the total current in the…

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Q: Standing at a crosswalk, you hear a frequency of 505 Hz from the siren of an approaching ambulance.…

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Q: A longbowman launches arrows at 50 m/s. Assuming that the firing is done at 45 degrees from the…

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Q: An archaeologist is examining artifacts with a diverging lens. The lens has a focal length of…

A: Solution: Given: An object is observed using diverging (concave) lens. The value of u is given, we…

Q: A 1.98 m tall woman stands 1.04 m from a lens with focal length 66.4 cm. How tall (in m) is her…

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Q: An object is in front of a converging lens (f = 0.35 m). The magnification of the lens is m = 2.5.…

A: Solution: Given: f = focal length of convex (converging) lens = 0.35 m m1 = current magnification =…

Q: The charges and coordinates of two charged particles held fixed in an xy plane are q₁ = 2.23 μC, x₁…

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

Q: b. A converging lens, whose focal length has a magnitude of 7.0 cm has an object placed 12.0 cm in…

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Q: Two balloons (m = 0.029 kg) are separated by a distance of d = 19 m. They are released from rest and…

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Q: 4. The 300 KN sphere is supported by a pull P and a 200 KN weight passing over a frictionless…

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Q: A pitot tube is used to measure the velocity of a boat moving through water of density 998kg/m3 .…

A: Given data, Density ρ=998 kg/m3 Height of the column of the water d= 1 m Depth of the tube h=0.5 m

Q: What is the wavelength of a wave that propagates in a medium at a speed of 393 m/s with frequency…

A: Given: The speed of the wave is 393 m/s. The frequency of the wave is 863 Hz.

Q: A tall tree is growing across a river from you. You would like to know the distance between yourself…

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Q: (a) (c) (b) (d) IS

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Q: A proton traveling at 24.2° with respect to the direction of a magnetic field of strength 2.22 mT…

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Q: Thorium is often cited as a much safer material for generation of power using a nuclear reactor.…

A: Solution: Yes, Thorium is often cited as a much safer material for generation of power using a…

Q: A tall tree is growing across a river from you. You would like to know the distance between yourself…

A:

Q: (a) Calculate y for a proton that has a momentum of 1.47 kg. m/s. x (b) What is its speed (in m/s)?…

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