When do we get maximum height in a simple projectile motion? a) When θ = 45° b) When θ = 60° c) When θ = 90° d) When θ = 0°
Q: The number 0.005900, in standard scientific form can be expressed as ______ a) 5.9×103 b) 59×104 c) ...
A: Introduction: Scientific notation is a way of expressing numbers that are too large or too small to ...
Q: What is the maximum number of unknowns that can be found through a simple dimensional equation? a) 6...
A: C
Q: What is the rate of change of rate of change of displacement of a body? a) Velocity b) Acceleration ...
A: B
Q: Determine the number of significant figures in the following measurements: (a) 0.0009 (b) 15,450.0 ...
A: a) given,0.0009number of significant figure is =1b) given,15,450.0number of significant figure is =6
Q: Velocity of a man is 25 units in the positive X direction and 75 units in negative Y direction start...
A: A
Q: Find the largest allowable time constant for this sensor. A 10-in-stroke wirewound translational pot...
A: The Explanation Given below:
Q: In every nebula, a star is beginning to form. a) True b) False
A: B
Q: The number of base units for measuring physical quantities according to the SI system are ____ a) 1 ...
A: C
Q: When the earth’s sun would die, it would change into a ____________ a) Supernova b) Nebula c) White ...
A: D
Q: In Fermi-Dirac Statistics, one energy state can be occupied by more than one particle. a) True b) Fa...
A: False
Q: Number of significant digits in 0.0028900 is ______ a) 5 b) 6 c) 7 d) 8
A: C
Q: Usually, what is the least count of a screw gauge? a) 0.01 cm b) 0.001 cm c) 0.1 cm d) 1 mm
A: B
Q: The displacement of a particle is given as function of time as x = t2 + 2t. How much displacement is...
A: B
Q: ball of mass 100 g, projected at an angle of 30° from the ground with an initial velocity of 11 m/s,...
A: A
Q: The cosmic background radiation observed is starlight. a) True b) False
A: B
Q: The Fermi energy of a material is 3.45 eV. What is the zero-point energy of the material? a) 1.02 eV...
A: B
Q: What does relative motion signify? a) The motion of a body with respect to other body b) Uniformly a...
A: B
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: 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 velocity vector (5m/s) is making and angle of 60 degrees with X axis has a horizonal component of ...
A: Given data: The velocity is v=5 m/s. The angle is θ=60°.
Q: In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), ...
A:
Q: During Bose-Einstein condensation all the atoms fall back to the _______ a) Ground state b) First ex...
A: D
Q: Which of the following is the standard unit of measurement of mass? a) Gram b) Kilogram c) Pound d) ...
A: B
Q: What will be the velocity v/s time graph of a ball falling from a height before hitting the ground l...
A: A
Q: Velocity of a dog is 15 units in the positive X direction and 3 units in positive Y direction starti...
A: A
Q: The rate of expansion of the universe is __________ a) Decelerating b) Accelerating c) Constant d) Z...
A: B
Q: 48.30 53.20 26.30 130 77.3V 53.30 0687
A: Using mesh analysisThe 48.3 ohm and 53.2 ohm are in series.Rs=48.3+53.2 =101.5 ohmThe 13 ohm, 53.3 o...
Q: Define Coupled oscillators’ and used general strategy for solving the normal modes Coupled oscillato...
A: In any system, If two or more than two oscillators are connected in such a way, their mechanical ene...
Q: 10V 122 60 23Ω 70 circuit 20Ω .18Ω 140 What is the current through the 62 resistor?
A:
Q: nebula formed when a dying sun sized star begins to shed its outer layer is called as ____________ a...
A: D
Q: The dimension whose unit does not depend on any other dimension’s unit is known as ________ a) Funda...
A: A
Q: U The trajectory of an object is defined as x = (t-4)2, what is the velocity at t = 5? a) 2 b) 5 c) ...
A: A
Q: What happens to the average velocity when a body falls under gravity with terminal velocity? a) It i...
A: B
Q: What are the dimensions of coefficient of friction? a) MLT-2 b) LT-1 c) L d) It is dimensionless
A: D
Q: car is moving with 20m/s velocity, another car is moving with a velocity of 50 m/s. What is the rela...
A: C
Q: The brightest nebula in the sky is __________ a) Orion b) Pleiades c) Cepheid d) Trifid
A: The nebula has 98 percentage of helium and hydrogen while only 2 percentages of other heavier elemen...
Q: A tensile stress is to be applied along the axis of a cylindrical brass rod with diameter of 200 mm....
A: Concept used: Stress applied on the object divided by strain in object gives the young's modulus of ...
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: C
Q: Which of the following is not true about projectile motion? a) It is an example of motion in a plane...
A: motion of an object in gravitational field near earth surface where the gravitaional acceleration is...
Q: When a cell of emf 4 Vis connected in a circuit gives a terminal voltage of 3.6 V for a total curren...
A: Given data, EMF = 4 V current in the external resistance = 2 A voltage difference across external re...
Q: A vector is represented as 4î + 3ĵ. What is its magnitude? a) 5 b) 10 c) 4 d) 3
A: Given : A→=4i^+3j^ The magnitude of a vector is given by : A→=Ax2+Ay2
Q: Nuclear fission is the phenomenon of ___________ a) Heavy nucleus splitting b) Heavy nucleus combini...
A: A
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: C
Q: The position of a body, moving in a plane, changes from origin to 14î + 11ĵ in 20s. What is the velo...
A: A
Q: The velocity of a body, moving in a plane, changes from 3î to 3î + 7ĵ in 10s. What is the accelerati...
A: Answer
Q: How many years are there in one millennium? a) 1000 b) 100 c) 10 d) 70
A: A
Q: solve E and D
A: The (e) part of the problem has been solved. (e) Given: The thickness of the shell is 1.0 pm. The ra...
Q: Determine if the given statement is TRUE or FALSE and explain why. 1. The magnitude of the applied f...
A: from fbd of case 1 we get a= 12.2567 m/s2 in horizontal
Q: 2- How much energy is required to raise the hydrogen atom from the ground state n = 1 to the first e...
A:
Q: Which of the following statement is correct? a) Average speed > Instantaneous speed b) Average sp...
A: C
When do we get maximum height in a simple projectile motion?
a) When θ = 45°
b) When θ = 60°
c) When θ = 90°
d) When θ = 0°
Step by step
Solved in 2 steps
