When an object X is moving relative to Y, which statement is true? A. The tail of vector-X relative to Y is located at the head of vector-X. B. The vector-X is the vector sum of vector-Y and vector-X relative to Y. C. The vector-X relative to Y is the scalar difference of vector-X and vector-Y D. The vector-Y is the scalar sum of vector-X and vector-X relative to Y.

Q: What is the change in entropy (in J/K) of 1 kg of liquid water when it is frozen to ice at a constan...

A:

Q: Show solution A large boulder is ejected vertically upward from a volcano with an initial speed of ...

A:

Q: Kieran measures the magnetic field of an electron beam. The beam strength is such that 2.20 × 1011 e...

A:

Q: "An engine manufacturer makes the claim that the engine they have developed will, on each cycle, tak...

A: Given : Heat taken , Q1 = 100 J Mechanical Work, W = 80 J  Heat out, Q2= 20 J  Temperature of source...

Q: An object 1 cm high is positioned 5 cm from a converging thin lens with a focal length of 8 cm. (a) ...

A:

Q: An extendible pipe is open at both ends. A speaker can be found a short distance from one end. The s...

A: Part 1) Fundamental frequency of an open organ pipe is given by, f = v/2L Where, f is the frequency,...

Q: ! ?! The Fermi level is only defined at absolute zero * O True O False Others

A: Fermi energy is an energy difference but Fermi level is a total energy level including kinetic energ...

Q: A 980-kgkg sports car collides into the rear end of a 2500-kgkg SUV stopped at a red light. The bump...

A: Given : Mass of the sports car (m) is 980 kg Mass of the SUV (M) is 2500 kg Coefficient of friction ...

Q: The current in a microwave oven is 6.25 A. If the resistance of the oven’s circuitry is 17.6 Ω, what...

A: According to Ohm's lawV=I×RHereV=Potential differenceI=currentR=Resistance

Q: A cast is maving st raight "sread at on 2 g mis :It s accelvest oited What woi he be. its Vebordy tr...

A: Given : Initial velocity, u = 9 m/s  Acceleration, a = 7 m/s2 Time, t = 4 s Find : Velocity after 4 ...

Q: -6 Four point charges (two withq = +2.5 × 10-0 C and two with q = -2.5 × 10¬º C) are situated at the...

A:

Q: What will be acceleration of a body of mass 7 kg if a force of 420 N is applied to if ?

A:

Q: Find the capacitance of a parallel plate capacitor having plates of area 6.40 m2 that are separated ...

A: Given that:- Area of plate=6.40 m^2

Q: How many lines in a grating must be illuminated to obtain a resolving power of 400 in a fourth-order...

A: Given data: Resolving power R = 400  Order m = 4

Q: In the figure R1 = 10.2 kO, R2 = 14.9 kQ, C = 0.397 µF, and the ideal battery has emf ɛ = 22.0 V. Fi...

A:

Q: What must be the distance between point charge qi = q2 = -47.1 µC for the attractive force between t...

A: Coulomb's law states that the electrical force between two charged objects is directly proportional ...

Q: Consider two long parallel wires 5 cm apart, each carrying a current of 2 A in opposite direction. F...

A:

Q: When an inductor is connected to a source of sinusoidally varying voltage with constant amp and freq...

A: Given value--- constant frequency = 60 Hz. rms value of current = 3 Amp. We have to find--- value...

Q: A +10uC point charge is 25cm away from a -20uc point charge. Calculate the magnitude of the electric...

A: According to guidelines we need to solve only first question kindly repost other questions in the ne...

Q: In noisy factory environments, it s possible to use a loudspeaker to cancel persistent low-frequency...

A: Given:Frequency of the sound waves, f = 85 Hzdistance between worker and machine, x1 = 5.0 mvelocity...

Q: 1. Find the magnetic field at point P for the steady current shown in the picture on the right. R

A:

Q: The highest possible efficiency of an engine operating between temperatures of 11 oC and 215 K is __...

A: Given: The temperature of hot reservoir is 11oC = (11+273.15 )K = 284.15 K. The temperature of the h...

Q: A contact lens is made of plastic with an index of refraction of 1.40. The lens has an outer radius ...

A: Given data :- Refractive index n = 1.40  R1 = +1.90 cm (outer radius)R2 = +2.42 cm (inner radius)

Q: What is the emf of the coil? An 1000-turn coil of wire that is 2.4 cm in diameter is in a magnetic f...

A: Given value--- no. of turns = 1000 . Diameter = 2.4 cm. change in magnetic field = 0.11 T to 0 T. t...

Q: Which projectile has the greatest flight time?   Projectile A   Projectile B   Projectile C   Th...

A:

Q: In the figure, an electron moves at speed v = 110 m/s along an x axis through uniform electric and m...

A: Lorentz force(F), the force exerted on a charged particle q moving with velocity v through an electr...

Q: The angular momentum of a spinning wheel is 225 kg-m</s. After application of a constant braking tor...

A: The initial angular momentum is Li = 225 kg.m/s2 The final angular momentum is Lf = 115 kg.m/s2 The ...

Q: The magnetic field in a cyclotron used in proton beam cancer therapy is 0.920 T. The dees have radiu...

A:

Q: The free-fall acceleration on the surface of the Moon is about one sixth that on the surface of the ...

A: Given that:- Ratio of radius of moon to earth = 0.25

Q: Which of the following is a reversible thermodynamic process? O finite temperature change free expan...

A: Solution: Given: Given the three processes, we are required to find which process is reversible. Pro...

Q: A convex grocery store security mirror has a focal length of -0.500 m. A 1.50 m tall person stands 2...

A:

Q: gs 170 feet down from the roof of a 200-foot-tall building, with a load attached. The total mass of ...

A: We know that here We gave given that the A rope hangs 170 feet down from the roof of a 200-foot-tall...

Q: 1. Consider two objects of equal mass m, heading directly for each other. The first object has veloc...

A: In the absence of an external force momentum of the system remains conserved .  If two object of sam...

Q: Direction: Sclect the letter of the best answer from among the given choices 1. What is the energy p...

A: 1energycharge=poetential=voltagewe know that work done or potential energy=qv⇒v=Uqthus option (D) IS...

Q: Unit 7 Test, MomentumRevision: 3/22/2021 10. Block 1 with a mass of 1.0 kg slides down a frictionles...

A:

Q: A diverging lens has a focal length of magnitude 19.6 cm. (a) Locate the images for each of the fol...

A: In this question we have to find the location and the magnification of the images formed by the lens...

Q: Hoping for complete solutions since I’m having a hard time with this. Pls skip if unsure or not will...

A: Given : Mass, m = 2 kg Side of length , l = 1 m We need to first calculate the distance of center of...

Q: m. When a negative charge moves in the direction of an electric field, the field does positive work ...

A: When a charge(q) moves in an electric field(E) by a distance d, The work done is given by:- W= F•S =...

Q: In the figure here, a ball is thrown up onto a roof, landing 3.30 s later at height h = 20.0 m above...

A:

Q: This answer has no units ° (degrees) ga ine m kg m/s m/s^2 W

A:

Q: What happens when the loop encloses no current? What happens when the loop encloses both positive (o...

A:

Q: 1. Charge Q,= 7.00 µC is at the origin, and charge Q,= 5.00 µC is on the x-axis, 300 cm from the ori...

A: Given: The charge at origin is Q1 = 7 μC. The charge at x = 300 cm = 0.3 m is Q2 = 5 μC. The positon...

Q: A manhwa artist draw an animation in which a dot on a computer screen has a position of r = [5.0 cm ...

A: Given r→ = [5.0 cm + (3.5 m/s2) t2] i^ + (5.0 cm/s) t j^.

Q: A circuit contains a 52.0-V battery and a single light bulb whose resistance is 252 Q. A second, ide...

A:

Q: Water flows through a hose of diameter 2.50 cm at a speed of 535 cm/s. Find the flow rate Q of the h...

A: Given value--- diameter = 2.5 cm. speed = 535 cm/d. We have to find--- flow rate ?

Q: A uniform circular disk of radius R = 36 cm has a hole cut out of it with radius r = 16 cm. The edge...

A:

Q: What will be acceleration of a body of mass 7 kg if a force of 420N is applied to if ?

A: Given data-                        mass (m) = 7 Kg                        Force (F) = 420 N Explanat...

Q: q1 = 8nC (0 m, 5m) X. (3 m, 5m) q2 4nC q3 = 7nC (0 m, 0m) (3 m, 0m) 1.Determine the total electric p...

A:

Q: You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your fr...

A: the forces are shown below

Q: förce strength and direction 4 Calculate the kinetic friction force and direction 5 Find the net for...

A: 4)  Kinetic friction force F=μXN F= 0.1 X654.89 F=6.5489 N Direction : as shown in fBD, side of slid...