QUESTION 6 A transformer with primary 928 windings and 6,380 secondary windings has an input voltage of 113 AC. what is the output voltage? QUESTION 7 Convex mirrors cause an in coming parallel light beam to converge O True O False QUESTION 8 Concave mirrors cause an incoming parallel light beam to converge True False
Q: Determine the torque generated by the 240 N force in the image below. Choose the relevant "pivot poi...
A: Fx = 240 cos 25 = 217.51 Fy = 240 sin25= 101.43 Torque = 217.51×1.2 + 101.43×0.3 = 291.4456 N
Q: Consider a fluid rotating about a vertical axis. The pressure p at radius r from the axis is given b...
A: dpdr = -ρω2r where, ρ is the density, and ω is the angular velocity of the fluid.
Q: In which case below is work not being done? Pushing a car a distance of 0.5 m. O Walking down a flig...
A: Pushing against an immovable wall is the correct answer
Q: How much load acts and in which direction at point B for the displacement to be fbb?a) Unit, opposit...
A: Option
Q: To specify all three of p, Q and a is redundant, but is done here to make it easier to enter answers...
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: When a person walks on a rough surface, the frictional force exerted by the surface on the person is...
A: When a person walks on a rough surface, the frictional force exerted by the surface on the person is...
Q: An object moving with uniform acceleration has a velocity of 12 cm/s in the positive x direction whe...
A: Given, at x1=3.00 cm , v1=12cm/safter t=2.00 second, x2=-5.00 cm
Q: Question 1
A: Let m be the mass of the car Given, the initial speed of the car, v=4 m/s g=9.8m/s2 For the car to b...
Q: An electron makes a transition from n = 5 state to n = 2 state in the hydrogen atom. What is the fre...
A: The electron makes a transition from n = 5 to n = 2.ΔE=R(1n21–1n22)= 45.774 X 10-20JFrequency, v = Δ...
Q: The time period of mass suspended from a spring is T. If the spring is cut into four equal parts and...
A: T=2π√(m/k), k=F/xWhen the spring is cut into four equal parts,k‘=F/(x/4)=4(F/x)=4kT‘=2π√(m/k‘)=2π√(m...
Q: Under certain conditions, the velocity v and mass m of a rocket at time t are linked by the differen...
A: Given that the motion of rocket is described by differential equation m(t)dv(t)dt+Udm(t)dt=0 (1)...
Q: can you help me please?
A: Light passing through a single slit forms a diffraction pattern somewhat different from those formed...
Q: amplitude 2 N, and driving frequency = 4 rad/s, the value of steady state amplitude is : %3D O a. 16...
A: option b is
Q: Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to...
A: D
Q: A square plate of copper with 55.0 cm sides has no net charge and is placed in a region of uniform e...
A:
Q: Which of the following material will have the highest value of response modification factor? a) Rein...
A: D)
Q: A force vector with magnitude R and making an angle α with the x-axis is having its component along ...
A: The component along the x-axis is the cosine component of the vector. And the y-axis component of th...
Q: A thin sheet of refractive index 1.25 and thickness 0.5 cm is placed in the path of light from one s...
A: Option a is correct answer
Q: A rod of length L lies along the x-axis with its left end at the origin. It has a non-uniform charge...
A: Given: The length of the rod is L. The charge density of the rod is given by λ=ax where a is a posit...
Q: A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same...
A: Given: A correct answer of this question as,
Q: Depending on what factor are the air ducts opened and closed in travelling grate stoker?
A: Depending on type of coal burned, the grate has air openings in the range of 20-40 percent of the to...
Q: The system, which is initially stationary, started to move with in the figure below. Since, m1 = 5g,...
A: Option b
Q: Power is defined as
A: Power is defined by force per unit area.
Q: C. A small blood vessel near the skin surface has a radius of 10 µm, a length of 1µm and the pressur...
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...
Q: Which theory was first to consider that light requires no medium for its propagation? a) Huygen’s Wa...
A: B
Q: An electron makes a transition from n = 7 state to n = 3 state in the hydrogen atom. What is the fre...
A: The electron makes a transition from n = 7 to n = 3.ΔE=R(1n21−1n22)= 19.77 X 10-20JFrequency, v = ΔE...
Q: Show that the girl at A can throw the ball to the boy at B by launching it at equal angles measured ...
A: Given: vA=10 m/s u1=45∘-15∘=30∘ u2=45∘+15∘=60∘
Q: A mass m is vertically suspended from a spring of negligible mass; the system oscillates with a freq...
A: Given: The frequency of the system, if a mass 4m is suspended from the same spring is identified be...
Q: Q6. The figure shows four paths on a p-V diagram along which a gas can be taken from state i to stat...
A:
Q: 3-
A: This is a problem based on the standing waves. The frequency of a beat can be written as, fbeat=f1-f...
Q: Huygen’s wave theory of light considered light to be ____________ a) Made up of particles b) Longitu...
A: Longitudinal waves
Q: Answer
A: we know, the electric field (E) is related to charge density by the relation ∇.E=ρε0 ......
Q: A thin sheet of refractive index 1.25 and thickness 0.5 cm is placed in the path of light from one s...
A: As we know, the path difference introduced by the sheet = (μ – 1) t, where t is the thickness of the...
Q: P2
A: mass=1gdiameter=0.2mseparation 0.05mangle θ=100a) from the fig,Tcos100=mgT=mgcos100Force of repulsio...
Q: A parking lot is to be 478 feet wide, and 300 feet deep (the parking modules will be on this side). ...
A: Option c
Q: A solid cylinder with a radius of 4.9 cm has the same mass as a solid sphere of radius R. If the cyl...
A: Given radius of the cylinder (r)= 4.9cm radius of the sphere =R the mass of both sphere and cylinde...
Q: The speed of light in medium A is 1.4 X 108m/s. What is the refractive index of the medium?
A: Given: Speed of light in medium A is v=1.4*108m/s.
Q: a) A coordinate system (with the units of metres) is set up such thatQ1=10 fC is located at the orig...
A: Given, Charges at different places and interaction between them
Q: One long wire lies along an x axis and carries a current of 46 A in the positive x direction. A seco...
A: I've solved a similar question earlier, you may change the values and everything is same.
Q: What is the modulus of elasticity? a) Ratio of elongation of a material to the original length b) It...
A: Option
Q: An insulated piston–cylinder device initially contains 0.3 m3 of carbon dioxide at 200 kPa and 27°C....
A: Assuming that CO2 behaves as an ideal gas with constant specific heats i.e. PV=nRT (1) and that e...
Q: Which of the following waves can be transmitted through solids, liquids and gases? a) Transverse wav...
A: Longitudinal waves involve changes in the volume and density of the medium. Since all media can ...
Q: A rocket produces a total thrust of 20,000 N. If the mass flow rate of propellants is 16 kg/s, what ...
A: 1250 m/s
Q: Two point charges of 30 nC and -40 nC are held fixed on an x axis, at the origin and at x = 72 cm, r...
A: The magnitude of the two point charges are given as, q1 = 30 nC (or) q1 = 30×10-9 C q2 = -40 nC (or)...
Q: A nonconducting slab with volume charge density p has a finite thickness between z=−d and z=+d is in...
A: 1)E for z≤-d (for a gaussian inside the slab the charge enclosed is qenc)from Gauss law∫E.dA =qencε0...
Q: A 996 kg car is travelling at a velocity of 15.4 m/s. How much work must be done on the car by the ...
A: Mass = 996 kg v = 15.4 m/s Kinetic Energy = 0.5 * m * v2 = 0.5 * 996 * 15.4 * 15.4 = 118.105 KJ
Q: not a conservative force example
A: Friction force
Q: P3
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: An anxious physicist worries that the two metal shelves of a wood frame bookcase might obtain a high...
A: C=ε0Ad=8.854×10-12 C2/N·m21.80×102 m20.230 m=6.93×10-9 F
Q: If the power of the jet is given to be 25 MW for a chemical rocket having a weight flow rate of 147 ...
A: Power of the jet can be expressed in terms of weight flow rate and specific impulse. It is given by ...
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