What is the result when î + 14ĵ is multiplied by √49? a) 7î + 98ĵ b) 98î + 14ĵ c) 7î + 98ĵ d) (î + 7ĵ)*√49
Q: An electron makes a transition from n = 5 state to n = 2 state in the hydrogen atom. What is the fre...
A: C
Q: -Sinusoidal waves are characterized by the upward and downward movement of particles. In the same wa...
A: This is an imperative yet elegant example of advanced physics applicable in real life. I once suffer...
Q: Weight represents ___ a) Mass b) Time c) Pressure d) Force
A: A
Q: The difference between fermions and bosons is that bosons’ wave function is _______ a) Continuous b)...
A: C
Q: Use the formal definition to show that the function f(x) = x3 + 4x² is not uniformly continous on th...
A: Definition- A function f:I→IR is said to be uniformly continuous on I if corresponding to a pre-assi...
Q: FORCE COMPONENTS: 1. Compute the X and Y Components of each of the forces. T=722b P-200b. F=448lb. 2...
A: Given, Free body diagram of forces
Q: Determine the Miller indices for the directions A, B, C and D shown in the following cubic unit cell...
A: The structure is a cubic unit cell.So, one cube has each side length equal to unityThe A plane inter...
Q: The equations of motion are valid for which of the following types of motion? a) Constant energy b) ...
A: B
Q: small block is placed over another block which is moving with a velocity of 5m/s. What is the absolu...
A: A
Q: body moves a distance of 15 m in a 15mins, with an initial velocity of 0m/min. What is the final vel...
A: A
Q: Electric Field. Two positive charges are located on the x-axis. The second charge (has twice the mag...
A: Enet=kqr12+2qr22 r1=r2 =r=kqr2+2qr2=3kqr2 Let the positive charge
Q: You have a light spring which obeys Hooke's law. This spring stretches 3.08 cm vertically when a 2.2...
A: Subpart (a): When the spring is stretched by the object, the weight of the object provides the neces...
Q: Bosons have symmetrical wave functions. They do not obey ______ a) Aufbau principle b) Pauli’s Exclu...
A: B
Q: What is the unit for measuring intensity of light? a) Candela b) Lightyear c) Meter d) Mol
A: A
Q: The cluster of galaxies which is farthest from the Earth is __________ a) Abel 2218 b) Milky way c) ...
A: C
Q: Between what two integers is : (160 х 10 10, — 5х 10 11) * 1.1 х 10 -11 & Which integer is it closes...
A:
Q: Which of the following is a use of dimensional analysis? a) To check the dimensional correctness of ...
A: A
Q: The average kinetic energy associated with each degree of freedom is ________ a) kT b) 2kT c) kT/2 d...
A: C
Q: Find the largest allowable time constant for this sensor. A 10-in-stroke wirewound translational pot...
A: The Explanation Given below:
Q: 1
A: Given, spring constant k=2.1×105 N/mcompressed distance =2.0cm
Q: Which of the following is not a system of units? a) MKS b) CGS c) SI d) Decibel
A: D
Q: The operation used to obtain a scalar from two vectors is ______ a) Cross product b) Dot product c) ...
A: B
Q: 8. Find and expression for Electric field formed by a quarter of a charged ring with radius of R. (b...
A: Introduction: The radius of the charged ring is R. Introduction: The electric field is defined as th...
Q: What is the Kinetic Energy of 2 g of oxygen at -23℃? a) 186.2 J b) 194.86 J c) 201.45 J d) 256.32 J
A: B
Q: caterpillar starts travelling at a speed of 1 m/h. If the rate at which the speed changes is 0.1 m/h...
A: D
Q: The density of silver is 10.5 g/cm3 and its atomic weight is 108. If each atom contributes one elect...
A: B
Q: The brightest star in a constellation _________ a) Alpha b) Omega c) Pulsar d) Beta
A: A
Q: A ball is thrown up in the sky. After reaching a height, the ball falls back. What can be said about...
A: we know average velocity =total displacementtotal time when ball goes up and falls back, it comes to...
Q: Which of the following quantum number gives the shape of atomic orbital of sub-shell? a) n b) l c) m...
A: B
Q: Path length does not depend on ____ a) Initial point b) Final point c) Path taken d) Coordinate syst...
A: D
Q: The Zeeman effect is not used in ________ a) NMR b) MRI c) Optical Amplifiers d) Laser Cooling
A: C
Q: What is the reason for the occurrence of systematic errors in an instrument ? a) No use for a long t...
A: B
Q: How many values does the spin quantum number have? a) 2 b) 2l c) 2n d) 2me
A: A
Q: I need help with the following question
A:
Q: Chapter 24, Problem 025 A plastic rod has been bent into a circle of radius R= 7.52 cm. It has a cha...
A: a) The electric potential due to the charged circular ring at its center is given by the following e...
Q: Which of the following is the correct formula for instantaneous velocity? a) v = dx/dt b) v = x/t c)...
A: Introduction: The instantaneous velocity of an object is the limit of the average velocity as the el...
Q: The relative velocity of a body A with respect to a body B is 5 m/s. The absolute velocity of body B...
A: A
Q: relative velocity of a body A with respect to a body B is 5 m/s. The absolute velocity of body B is ...
A: b
Q: The velocity of a truck changes form 3 m/s to 5 m/s in 5s. What is the acceleration in m/s2? a) 0.4 ...
A: B
Q: A copper bar, with a temperature of 72 ° F. At 11:05 a.m., the temperature of the bar is recorded at...
A: According to Newton's law of cooling, we can write temperature as a function of time as Tt=Ce-kt+Ta....
Q: The Kinetic Energy of the particle is dependent on Temperature only. a) True b) False
A: True
Q: If two bodies are moving in opposite directions with non-zero velocities, which of the following sta...
A: A
Q: 4-
A: For the diffraction grating, the necessary condition to obtain constructive interference is, d sinθ ...
Q: Which of the following types of motion can be used for describing the motion of a car on a straight ...
A: A
Q: Which of the following is the correct formula for instantaneous velocity? a) v = dx/dt b) v = x/t c)...
A: C
Q: b- Explain how the materials properties depend on the bonding energy such as modules of elasticity, ...
A: material properties depends on 1. bonding energy: bonding energy directly related to melting temper...
Q: What is the unit for measuring intensity of light? a) Candela b) Lightyear c) Meter d) Mol
A: SI unit for measuring the intensity of light is candela. It is the luminous intensity, which is a me...
Q: Which of the following cannot be conserved during Raman scattering? a) Total Energy b) Momentum c) K...
A: Collision Collision is a phenomenon where two or more objects exchange momentum and energies while b...
Q: 6-
A:
What is the result when î + 14ĵ is multiplied by √49?
a) 7î + 98ĵ
b) 98î + 14ĵ
c) 7î + 98ĵ
d) (î + 7ĵ)*√49
Step by step
Solved in 2 steps