The sketch graph shows the corrected count rate measured for the decay of a radioactive sample (the sample-detector distance is constant): corrected count rate/s¹

Q: A beam of light passes through four Material 1 Material 2 materials, where the dashed line is the…

A: Given Data : The refractive index of material 1 is given as n1 = 2.1. The angle of incidence at…

Q: A student performs an experiment in which a fan unit is mounted on a cart that also has a friction…

A: The force exerted on the cart by the fan unit is towards the right which is trying to move the cart.…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: Does the brightness of bulb 2 increase, decrease, or remain the same? Explain. 1. 2 G ol ogsiiov…

A: Explanation below ANS: i. The brightness of the bulb 2 will increase.          ii. The brightness of…

Q: g) Now compute the torque on the loop using the standard formula ton loop = pxB, where u = iA is the…

A: Torque = μ x B μ = Magnetic moment μ = i A   Direction of magnetic moment find with help of curl our…

Q: 7. In your own words, describe the concept of sound intensity. K/UC

A: Before moving to concept of sound intensity, we'll discuss what is sound?  All types of waves…

Q: A car travels due eat with a speed of 340 kmh Raindrops are falling a constant speed vertically to…

A: Relative velocity can be defined as the velocity of an object with respect to another object. It…

Q: 5.) The threshold (cutoff) wavelength for the photoelectric effect in an unknown metal is 270nm.…

A: Given data: Threshold wavelength of the metal, λ0=270 nm=270×10-9 m

Q: A speaker emits a sound with power 0.2 mW. At what distance is the intensity level of the sound 12.0…

A: Dear student, as you have asked multiple questions, we will provide the solution to the first…

Q: If the Moon pulls Earth as strongly as Earth pulls the Moon, why doesn't Earth rotate around the…

A:

Q: Find the resistance between the points a and b for the network shown in the figure, if R1 = R2 = R3…

A: Given:-  R1=R2=R3=2ΩR4=R5=3 Ω Find:-  The resistance between the point a and b

Q: Tutorial Exercise A 195-km-long high-voltage transmission line 2.00 cm in diameter carries a steady…

A:

Q: The figure shows a parallel-plate capacitor of plate area A = 10.7 cm² and plate separation 2d= 6.92…

A: The capacitance of a parallel plate capacitor with dielectric between its plate is given by   where…

Q: A drum with a 500-mm radius is attached to a disk with a radius of 250 mm. The disk and drum have a…

A:

Q: Two small spheres each have a mass m of 0.100 g and are suspended as pendulums by light insulating…

A: Given: mass (m) = 0.100 g angle, θ = 6° length, l = 1 m

Q: A long, straight wire lies along the y-axis and carries a current 8.00 A in the -y-direction (Figure…

A: Given : Current (I) = 8 A in y-direction Magnetic field (Bo) = 1.5*10-6 T in +x direction Distance…

Q: (c) Using your answer from the previous part, roughly how much kinetic energy (in Joules) was…

A:

Q: . 26- Show that if the magnitude of a vector A is constant then A dà dt = 0. (Hint: A A = A²)

A: Since you have posted multiple questions according to guidelines i will solve only the first one.

Q: A typical "college pad" is shown below. Each component uses a power of 500 W, and a 20 Amp fuse…

A: Required : Resistance of each component.

Q: a How long does the defender have to react to the puck? (i.e. How long does it take to travel 3…

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Q: What would be the path of the Moon if somehow all gravitational forces on it vanished to zero?

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Q: Most people today know that the ocean tides are caused principally by the gravitational influence of…

A: