In the circuit shown, 30 Determine the following: 2v+ A. Magnitude and direction of the current B. The potential differences Vad, Vef and Vne 7 V h 6Ω e

Q: Find the tension in each of the three cables supporting the traffic light if it weighs 160 N. 41°…

A: Weight=160N

Q: Which of the following is one of the postulates of Special Relativity?

A:

Q: 18.) A space shuttle passes the Earth at a speed of 0.80c. If the space shuttle is 30 m in length as…

A:

Q: A syringe has a fine needle with an inside diameter of 97.9 µm. The barrel has a diameter of 2.76 cm…

A: Barrel diameter=2.76cm Force=4.08N

Q: The phenomenon of several light waves interfering with one another under particular conditions,…

A:

Q: 21.)In the diffraction (single-slit) experiment, what happens to the intensity of the diffraction…

A:

Q: Q20. A hoop with a radius of 0.75 meters is rotated about an axis 0.5 meters from the center of…

A: Given data :- radius R = 0.75 m distance of axis of rotation from the center of mass of the hoop r =…

Q: Find the value of force applied Displacement is 12 m Work done is 360 J

A: Given data :- displacement d = 12 m work done W = 360 J

Q: A wave has a frequency of 58 Hz and a speed of 31 m/s. What is the wavelength of this wave?…

A: Given: Frequency = 58 Hz Speed = 31 m/s

Q: A billiard ball collides in an ellastic head-on collission with a second stationary identical ball.…

A:

Q: Give the momentum (in kg m/s) of a photon with wavelength 429.0 nm.

A: λ = h/p p=h/ λ p=6.63 *10-34  /429*10-9  J-S  p=1.54 *10-27  kg-m/s

Q: In the figure ε1 = 2.46 V, ε2 = 0.819 V, R1 = 6.20 Ω, R2 = 1.80 Ω, R3 = 4.00 Ω, and both batteries…

A: GIVEN ε1 = 2.46 V, ε2 = 0.819 V, R1 = 6.20 Ω, R2 = 1.80 Ω, R3 = 4.00 Ω, To find out Power of battery…

Q: The 200 g pellet is pushed against the spring and D released from rest at A. Neglecting friction,…

A:

Q: Albert Einstein received the Nobel Prize in Physics in 1921 "for his services to theoretical…

A: The correct answer is option (1) i.e. It essentially describes how photons of light provide energy…

Q: i need the answer quickly

A:

Q: Determine the momentum of a car having mass 4 kg moving with a velocity 4 m/s

A: Given data:  Mass (m) = 4 kg Velocity (v) = 4 m/s Required: Momentum (P)

Q: 10. A hydraulic lift is used to lift a car. The small piston has a radius of 5 cm and the large…

A:

Q: What is the speed of a wave on a string which is 2m long, tied at both ends, has a mass of 1g, tied…

A: Given data:  Length (L) = 2 m Mass (m) = 1 g = 1×10-3 kg Tension (T) = 10 N Required: Speed of the…

Q: Two planes leave Manila for a southern city, a distance of 900 km. Plane A travels at a ground speed…

A:

Q: 25.) If 1 kilogram of matter could be converted entirely to energy, how much energy would be…

A: The energy produced is 9 x 10¹⁶ J i.e. Option (1)

Q: Consider polarized light striking a polarizing filter.  What angle is needed between the…

A:

Q: Part A A microscope with a tube length of 200 mm achieves a total magnification of 400x with a 20x…

A:

Q: 8.) Which of the following is a correct condition for a total internal reflection to occur?…

A:

Q: The flat surface shown is submerged vertically in water. Find the fluid force against the surface.…

A: Determine the center of gravity of the triangle from the free surface of the water.

Q: A 300W computer is used for 90 minutes. What is the energy used in kWh? How much will it cost to run…

A: Given Data: The power used by the computer is: P=300 W The time duration in which P amount of power…

Q: A particle is moving

A:

Q: 2) A4 kg box slides down a frictionless incline of angle 40 degrees. It starts from rest at time t=…

A:

Q: positively charged ball falls vertically along the lines of a uniform electric field. The weight of…

A:

Q: n UV sensor collects the altitude, battery level, speed data that are being sent using TDM. Each UV…

A:

Q: 5. A rectangular loop of wire that is 35 cm wide and 15 cm long is placed in a region where the…

A: Given  Length of rectangular loop L = 15 cm Breadth of rectangular loop B = 35 cm Magnetic field…

Q: Find the value of work done is 410 J and displacement is 32 m. Find the force applied ?

A: Given data-                            work done ( W ) = 410 J                         displacement…

Q: Find the gravitational potential energy of a light that a mass of 16 kg and is 8 m above the ground

A: Given data:  Mass (m) = 16 kg Height (h) = 8 m above the ground  Required: The gravitational…

Q: In an engine, a piston oscillates with simple harmonic motion so that its position varies according…

A:

Q: a) How many atoms of helium gas fill a balloon of diameter 30.0cm at 20.0oC and 1.00atm? b) What…

A:

Q: What is the final temperature, how much water is there, and how much ice is there if 827g of ice at…

A:

Q: An object has a weight of 9 N when it is in air and 7.2 N when it is submerged into water. What is…

A: Given: Weight of object in air, Wa=9 N Weight of object when submerged into water, Ww=7.2 N To…

Q: raft is 2.35 m wide × 1.25 m long × 0.365 m deep. What is the buoyant force on the raft if only…

A:

Q: A steel wire with mass 28.8 g and length 1.12 m is strung on a bass so that the distance from the…

A:

Q: Light that is nonpolarized has an intensity of 6.0 W/m2. Rays of this light are incident on two…

A:

Q: UV radiation is utilized in a range of industrial operations as well as medical and dental…

A: Given :increase the frequency of an ultraviolet light.

Q: Two cars left Albany and Tenterden at the same time, passing through mount barker and both…

A: Given Two cars left Albany and Tenterden at the same time, passing through mount barker and both…

Q: Find the magnetic field at the origin. The straight segments are very long and the curved segment is…

A:

Q: Suppose a two-slit interference pattern from 610 nm orange light has its first maximum at an angle…

A:

Q: Find the value of force applied Displacement is 12 m Work done is 360 J

A:

Q: 1. Spring and SHM Consider a mass on a spring system that moves in simple harmonic motion. If the…

A: Given  Amplitude is doubled  i.e. A' = 2A i ) maximum speed Solution v = Aw v' = A' w v' = 2Aw v' =…

Q: Determine the 3rd order bright band 2. Determine the slit separation If Red light of wavelength…

A: GIVEN Wavelength of the red light = 630 nM Distance from slit to screen = 1.7 m The center of the…

Q: · A water is flowing in a pvc tube that has a varied cross-sectional area. (a) Find the velocity of…

A:

Q: What is the final temperature, how much water is there, and how much ice is there if 827g of ice at…

A:

Q: Find the percent error Initial weight = 6.684g Final weight = 6.828g Theoretical value = 0.120

A:

Q: A 0.0507-kg pair of fuzzy dice is attached to the rearview mirror of a car by a short string. The…

A: