Can you further explain the step 2 (the quadratic equation) and

Q: 1. A 250 N force pushing a body west and a 200 N force pushing the same body 60° NW. 2. A hiker…

A: Consider the following, East = +ve x-direction West = -ve x-direction North = +ve y-direction South…

Q: The interface between blood and stainless steel makes a angle of 110°. Would you expect that…

A: Given that,  The interface between blood and stainless steel makes a angle of 110 degree.

Q: What is the focal length of a contact lens that will allow a person with a near point of 125 cm to…

A: Given,near point distance, q = -125cmobject distance, p = 25cm

Q: 1. A particle with mass 4 kg moves in a circle of radius 4 m. The angular momentum of the particle…

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Q: What is the magnification produced by a plane mirror? O 1/4 0 1 02 O 3/2 O 1/2

A: In the given problem we have to find the magnification produced by a plane mirror.   Definition…

Q: Chapter 29, Problem 028 GO Figure (a) shows two wires, each carrying a current. Wire 1 consists of a…

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Q: Chapter 29, Problem 057 A student makes a short electromagnet by winding 430 turns of wire around a…

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Q: Eight books, each 9.0 cm thick with mass 1.5 kg, lie flat on a table. ▼ Part A How much work is…

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Q: A 6.5-kg bowling ball and a 7.4-kg bowling ball rest on a rack 0.70 m apart. Part A What is the…

A: Given data:  Two bowling balls  m1 = 6.5 kg and m2 = 7.4 kg Distance (r) = 0.70 m Required: The…

Q: Two ice skaters (Shidaho & Lindiana) are at rest and are facing each other. Then Shidaho pushes…

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Q: A jewelry designer plans to make some specially ordered silver charms for a bracelet. If the melting…

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Q: Review Example 12 before attempting this problem. A marble and a cube are placed at the top of a…

A: Answer is1.183  dimensionlessGivencube and marble, both started from rest at the top of ramp.

Q: A beam resting on two pivots has a length of L = 6.00 m and mass M = 77.0 kg. The pivot under the…

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Q: A cyclist pedals along a slope which is at 5.0° to the horizontal. The cyclist starts from rest at…

A: Given data:  Angle (θ) = 5.0°, with the horizontal Inclined distance (d) = 40 m Mass (m) = 90 kg…

Q: The wheels, axle, and handles of a wheelbarrow weigh W= 68 N. The load chamber and its contents…

A: GivenW =68 NWL = 591 N

Q: A 1.00-kg glider attached to a spring with a force constant 25.0 N/m oscillates on a frictionless,…

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Q: 1. To tighten a bolt, you push with a force of 100 Nat the end of the wrench handle that is 0.5 m…

A: Given F= 100 N (force applied) d=0.5 m (distance between force applied and bolt) a) The torque…

Q: power of a lens is 4.0 diopters and its diameter is 5.0 cm. What is the focal length of this lens?

A:

Q: A hydrogen atom emits a photon of wavelength 486 nm. From what energy orbit to what lower energy…

A: Given,  Wavelength = 486nm. ninitial =? nfinal =?

Q: An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam…

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Q: Chapter 29, Problem 007 GO In the figure, two circular arcs have radii a = 14.2 cm and b = 10.7 cm,…

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Q: Find the energy released in the alpha decay of 22086Rn (220.01757 u). (Hint: 21684Po has a mass of…

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Q: ich of the following can be considered units for momentum and impulse? Select more than one.…

A: The relationship between the impulse and momentum is   J=∆p   From the above equation , the both…

Q: MY A projectile is launched with an initial speed of 929 m/s. Additionally, Viy 129 m/s & Vix-920…

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Q: Two resistors are connected in series with an 34.76 volt battery. The resistors have values of R1 =…

A: Given data:  Battery voltage (V) = 34.76 V Two resistors are connected in series combination R1 =…

Q: An engineer is making a table to determine the thrust required that will allow a helicopter of mass…

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Q: A jogger's average speed during his 1.25-h run is 2.05 m/s. The distance he runs during his workout…

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Q: A 41.0 mA current is carried by a uniformly wound air-core solenoid with 460 turns, a 16.5 mm…

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Q: A student is doing a physics experiment with a pendulum in the car ride home from school. At one…

A: Givenm=1.4 kgθ=24∘

Q: In the figure, a long straight wire carries a current ₁ = 41.9 A and a rectangular loop carries…

A: Given,i1=41.9 Ai2=16.7 Aa =1.32 cm=0.0132 mb = 6.71 cm = 0.0671 mL = 42.5 cm = 0.425 m

Q: When you find the net force on an object, the units are always which of the following?

A: Required : The units of net force.

Q: A horizontal force of 25 N is required to push a wagon across a sidewalk at a constant speed. What…

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Q: Monochromatic light of wavelength 500 nm is incident normally on a diffraction grating. If the…

A: Given Wavelength of the light is given as λ=500 nm=500×10-9 m Angle of the third-order maximum is…

Q: If q2 = 93 = 94 = 1 nC and a = 1 m, then find the magnitude of q₁ (in nC) so that the net electric…

A: Givenq2=q3=q4=1 nCa=1mwe need to find magnitude of q1 to make net force on q4 zero.

Q: The distance between the ruled lines on a diffraction grating is 1770 nm. The grating is illuminated…

A: Write the expression for the diffraction grating. sinθ=mλd Here, θ is the incidence angle, m is the…

Q: The figure shows a spacetime diagram for two people moving with respect to each other and five…

A: Given that Horizontal scale is x-axis and vertical scale is t -scale And the tilted axis are x' and…

Q: A marble that is projected from a cliff with a horizontal speed of 2.50 m/s hits the ground below in…

A:

Q: | Consider the nuclear reaction He + Li absorbed or liberated? How much energy? 5B+ on. Is energy

A: It is known that  Energy = [(mass of reactant - mass of product)]× c2 Where c = speed of light in…

Q: All points on the perpendicular (AB) bisector of the line joining two equal but opposite charges…

A: We know voltage is given by , kQ/r All the points on perpendicular bisectore are at equidistant from…

Q: An object is placed 18.0 cm in front of a convex mirror having a focal length of 20.0 cm. What is…

A: Given,  u = -18 cm f = 20 cm The mirror formula is 1/v + 1/u = 1/f 1/20 = 1/v + 1/(-18) 1/v = 1/100…

Q: A 67.0 kg adult sits at one end of a 10.0 m board, on the other end of which sits his 23.0 kg child.…

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Q: A boat radioed a distress call to a Coast Guard station. At the time of the call, a vector A from…

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Q: 1. A torque of 40 Nm is applied to a grinding wheel with moment of inertia 30 kg m² for 30 s. a) If…

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Q: Tritium, or 3H, has a half-life of 12.32 years. Imagine a sample of tritium is prepared. (a) What…

A: half life = 12.32 years Original number of nuclei = No

Q: High-intensity focused ultrasound (HIFU) is one treatment for certain types of cancer. During the…

A: Rh

Q: You stand near the end of a uniform diving board a distance d from support 2 (as shown in the…

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Q: The bob on a simple pendulum is pulled to the left 4in. from its equilibrium position. After…

A: Solution:-

Q: A rectangular swimming pool is 20m long and 10m wide and full of water. The bottom of the pool…

A: In the given question, Length of the pool = 20m Width of the pool = 10m Depth of the pool = 0m to 6m…

Q: Two oxygen tanks are completely closed and not connected from the start. Atmospheric pressure is…

A:

Q: A heat engine using a diatomic ideal gas goes through the following closed cycle: • Isothermal…

A:

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.