(COLLAB Gauss's Law for Mass) Journey through the Center of the Earth. A 1024.kg blue ball is dropped from an initial z-position of 2.6 x 10° m through the center of a planet with radius 7.7 x 10° m. If the mass of the planet is 36.7 x 1015 kg, measure the displacement of the ball at timet = 8 s?
Q: The total path length is always equal to the magnitude of the displacement vector of a particle. a) ...
A: False
Q: A soda-water bottle is falling freely. The bubbles of the gas rise in the water of the bottle. a) Tr...
A: Option b
Q: (a) An FM signal with an information signal of 5 kHz has a maximum frequency of 100.6 MHz and a mini...
A: Frequency Modulation Frequency Modulation is a method of varying the frequency of the carrier wave a...
Q: 32. The masses of the objects with positions r1 = 10j (cm), r2 = 16i (cm) and r3 = 2i + 4j (cm) on t...
A: Given: The mass of the first object m1 = 0.5 kg. The mass of the second object m2 = 1 kg. The mass ...
Q: The two types of cycles proposed in the stars for fusion are ________ a) p-p cycle and p-e cycle b) ...
A: Option b
Q: Nuclear fission is the phenomenon of ___________ a) Heavy nucleus splitting b) Heavy nucleus combini...
A: Option a
Q: Spectral lines have a finite width even though atomic energy levels are discrete, because ... atom...
A: During a radiative transition from discrete energy level E1 to energy level E2, the transition frequ...
Q: A particle undergoes simple harmonic motion with amplitude A. At what position(in terms of A) is the...
A: Given amplitude is A. The potential energy of the harmonic system is directly proportional to square...
Q: A spherical ball of mass 20kg is stationary at the top of a hill of height 100m. It rolls down a smo...
A: Given data: The mass of the ball is m=20 kg. The initial height is h1=100 m. The second height is h...
Q: In Quantum Mechanics, even if E < U, there is a chance that the particle might tunnel through it....
A: True
Q: The Raman spectrum is said to consist of Strokes lines when ________ a) Δv > 0 b) Δv < 0 c) Δv...
A: Option c
Q: Two rectangular optically flat plates (n=1.52) are in contact along one end and are separated along ...
A: Given: The wavelength of the light is λ=546.1 nm. The refractive index of the glass plate is n=1.52....
Q: A ball moves in a frictionless inclined table without slipping. The work done by the table surface o...
A: Option
Q: Two identical balls A and B collide head on elastically. If velocities of A and B, before the collis...
A: Option d
Q: Which of the following kinetic friction is smaller? a) Limiting friction b) Static friction c) Rolli...
A: Option c
Q: Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Wh...
A: The Correct answer is D. Both will reach simultaneously. As, Two bullets are fired simultaneously,...
Q: Which quadrant does vector A+B lie?
A: Given vectors A and B
Q: The decrease in potential energy of a ball of mass 20kg, which falls from a height of 50cm, is? a) 9...
A: B
Q: To illustrate that the length of a smooth space curve does not depend on the parameterization used t...
A: The length of a parametrized curve r(t)=x(t)i +y(t) j + z(t) k is given by, ∫ ds=∫t1t2dx(t)dt2+dy(...
Q: Classical electromagnetic radiation of higher intensity corresponds to ... a larger average photon...
A: Higher intensity means more photons ,option (3)
Q: Conservation of linear momentum is a combination of ___________ a) Newton’s second law and third law...
A: Option
Q: Which of the following is the property of Newton’s third law? a) A body moving with a uniform speed ...
A: The forces of action and reaction cannot cancel each other. This is because of action and reaction, ...
Q: From a building 2 balls A and B are thrown such that A is thrown upward and B is thrown downward. If...
A: Option
Q: Arrange in the increasing number of radial nodes: 3p, 4s, 1s, 5d. a) 1s < 3p < 4s < 5d b) 1...
A: C
Q: When a person walks on a rough surface, the frictional force exerted by the surface on the person is...
A: Option
Q: What is the rms speed of methane at 27℃? a) 450 m/s b) 532 m/s c) 678 m/s d) 745 m/s
A: Option c
Q: how doppler effect has helped some professionals like (1) doctors and (2) astronomers in their fiel...
A: Doppler shift or Doppler effect is defined as the change in frequency of sound wave due to a reflect...
Q: A man jumping out of a moving train ___________ a) Lands on the ground b) Falls with his head forwar...
A: Option
Q: When moving along a curved path, he ___________ a) Leans inwards b) Leans outwards c) Is still d) Le...
A: Option
Q: What mass of steam at 100°C must be mixed with 150 g of ice at -10°C, in a thermally insulated conta...
A: Given : Temperature of steam = 100°C Temperature of ice = -10°C ...
Q: How is friction due to air reduced? a) Streamlining b) Lubrication c) By using ball bearings d) By p...
A: Streamlining
Q: A solid 0.6350 kg ball rolls without slipping down a track toward a vertical loop of radius ?=0.6350...
A: At the top of circular track loop N+mg=mv2RAs, the rolling of solid ball without slipping is in ant...
Q: Please show step by step solution.
A: According to the given graph, we can observe that from -50 s to +50 s (approx) Acela is cruising i...
Q: What is hubble law
A: Hubble's law is give the information of expanding universe. This can be observe by the red shift. A...
Q: For all the quantum states with energy greater than Fermi energy to be empty in a Fermi-Dirac system...
A: Option c
Q: Find vab and i0 for the given circuit below
A: ...
Q: A coffee maker is rated at 1.60 kW, a toaster at 1.20 kW, and a waffle maker at 0.90 kW. The three a...
A: The power is given by the formula, P=IV (1) Where P is the power, I is the current and V is the ...
Q: When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such t...
A: When a bicycle is in motion, the force of friction acts in the backward direction on the front wheel...
Q: 3. Figure 2 shows a conducting loop of area A in a uniform magnetic field of magnitude B pointing ou...
A: (a) Let B denotes the magnetic field, A denotes the area of the loop, ω denotes the angular frequenc...
Q: The probability of finding an electron is uniform in every direction is in which orbital?
A: For an s-orbital, the probability of finding an electron is uniform in every direction. For p orbita...
Q: Calculate the moment of inertia of a uniform, solid disk with mass M and radius R for an axis perpen...
A:
Q: For a particle inside a box, the potential is maximum at x = ___________ a) L b) 2L c) L/2 d) 3L
A: Option a
Q: A bullet of mass 0.04kg moving with a speed of 90m/s enters a wooden block and is stopped after a di...
A: m = 0.04kg, u = 90m/s v = 0, s = 60cm = 0.60m v2-u2 = 2as a = -6750m/s2 Therefore, retardation force...
Q: Which of the following is the property of Newton’s third law? a) A body moving with a uniform speed ...
A: Option
Q: A body executing uniform circular motion has at any instant is velocity vector and acceleration vect...
A: Option
Q: Fire hoses used in major structure fires have inside diameters of 6.40 cm. Suppose such a hose carri...
A: Given, P1=1.62*106 N/m2d1=6.40 cm∆h=10.0md2=3.00 cmQ.=40.0L/s
Q: Drop a pencil and crumpled piece of paper. Make a repeatable trial for yourobservation. Which one fe...
A: Introduction: Objects that are said to be undergoing free fall, are not encountering a significant f...
Q: Calculate the energy released by the fission of 5 gm of 235U in kWh if energy released per fission i...
A: Now, Number of atoms in 5 g of 235U = 6.023 X 1023 X 5/235 Energy released by the fission = 6.023 X ...
Q: P9 E4
A: Given that: λ=540 nC= 540×10-9 C/mRadius , R=75 cm= 0.75 mzo=2.99 m
Q: When the earth’s sun would die, it would change into a ____________ a) Supernova b) Nebula c) White ...
A: Our sun is a medium-mass star in the universe. Thus, when it would die, it would swell up into a red...
Step by step
Solved in 4 steps with 4 images
