A car with mass m = 1.2 tonnes , travels at a constant speed of v = 110 kph in a straight line, on a level road, while its motor and transmission deliver P = 14 kW to the wheels. Could an ordinary person supply this power for, say, several seconds? Yes No
Q: In case of a forced vibration, the resonance wave becomes very sharp when the ___________ a) Applied...
A: C
Q: Which of the following is a simple harmonic motion? a) Particle moving in a circle with uniform spee...
A: B
Q: For a particle executing simple harmonic motion, which of the following statements is not correct? a...
A: D
Q: A gas does work during adiabatic expansion. The source of mechanical energy so produced is the inter...
A: True
Q: Compare the gravitational attraction between objects on earth and interaction of celestial bodies in...
A: Concept: In earth, all bodies has weight gravity downward force which is proportion to the mass of t...
Q: When the length of the vibrating segment of a sonometer wire is increased by 1%, the percentage chan...
A: C
Q: A hollow spherical pendulum is filled with mercury has time period T. If mercury is thrown out compl...
A: C
Q: A string of length 0.4m and mass 10(-2) kg is tightly clamped at its ends. The tension in the string...
A: B
Q: Two vibrating springs of the same material but lengths L and 2L have radii 2r and r respectively. Th...
A: D
Q: Derive the following general relations and state which expansion each of them refers to. ƏT ƏT ƏT ӘР...
A: Here, P is Pressure, V is Volume, T is Temperature, S is Entropy, U is Internal Energy, dS ...
Q: Give an example situation that is being described from the motion diagram
A: Given: The motion diagram is: Introduction: Gravity is a force that attracts a body towards the cen...
Q: 1. Describe the wind speed and air pressure in the different parts of a typhoon. 2. Describe the eff...
A: Introduction: A tropical cyclone is a generic term used by meteorologists to describe a rotating, or...
Q: A particle executing simple harmonic motion of amplitude 5cm has a maximum speed of 31.4 cm/s. The f...
A: D
Q: The ratio of the speed of sound in nitrogen gas to that in the helium gas at 300 K is? a) √(2/7) b) ...
A: C
Q: Confirm the expression given in Table 11B.1 for the moment of inertia of a linear ABC molecule. Hint...
A: In the figure above the distances of A,B and C from center of gravity of the molecule are shown.
Q: For which cases did you determine that the flux was equal to the flux in case #1? #1: A charge +q wh...
A: Electric flux calculation through a surface enclosing a charge gives the information of the charge e...
Q: A large explosion causes wood and metal debris to rise vertically into the air with an initial veloc...
A: Solution: Given Function is as follows: h(t)=144t-16t2
Q: Time period of a simple pendulum will be double if we ___________ a) Decrease the length 2 times b) ...
A: D
Q: 7. The equation E= kq/r applies to: A) only pointlike particles B) any symmetric objects C) all obje...
A:
Q: A force of 3.6 N acts towards the East on an object with mass m = 2.0 kg, while simultaneously a for...
A: Given: The mass of the object is m = 2 kg The force that acts towards the east is Fx = 3.6 N The for...
Q: The molar specific heat constant pressure of an ideal gas is 7R/2. The ratio of specific heat at con...
A: C
Q: A person in good physical condition can put out 100 W of useful power for several hours at a stretch...
A: Given: The output (WP) is 100 W The requirement of the generation (Wg) is 5000 W
Q: PL (mW) For the circuit shown, the power dissipated in the load 60 Resistance RL, is given as a func...
A: Given: The graph and circuit are as follows: Introduction: The maximum power transfer occurs when ...
Q: If wave y=Acos(ωt+kx) Is moving along x-axis, the shapes of a pulse at t=0 and t=2s. a) Are differen...
A:
Q: In a resonance tube with tuning fork of frequency 512Hz, first resonance occurs at water level equal...
A: Option
Q: In an adiabatic process, the quantity which remains constant is ___________ a) Volume b) Pressure c)...
A: Adiabatic process is a process in which there is no exchange of heat between the system and the surr...
Q: Use Sketches, Diagrams and fundamental principles to reason your answer
A: Let m1 and m2 denote the masses of the two cars, v1 and v2 denote the speed of the cars. Consider th...
Q: The efficiency of a Carnot engine operating with reservoir temperatures kept at 100 °C and -23°C wil...
A: D
Q: An ideal gas is heated from 27°C to 627°C at constant pressure. If initial volume was 4m3, then the ...
A: D
Q: Answers can be 0 -0.491 -490.5 0.491 50
A: The free body diagram is given below,
Q: Find the charge on each of the capacitors in the figure below.
A: The 1 μF and 5 μF are connected in parallel.So the equivalence capacitance is, C1=1 μF+5 μF=6 μF The...
Q: The gas having average speed four times as that of SO2 (molecular mass 64) is ___________ a) He(mole...
A: The average speed v¯ of a gas is given by, v¯ = 8RTπM where, R is the gas constant, T is the tempera...
Q: Internal energy change, when a system goes from state A and B is 40 kJ mole-1. If the system goes fr...
A: D
Q: A pendulum watch can be used in an artificial satellite. a) True b) False
A: B
Q: The potential energy of a simple harmonic oscillation when the article is halfway to its end point i...
A: C
Q: carburiz IZ
A: Given values: To estimate the time using the values as, X1 =2.1 mm,X2 =5.4 mm,t1 =10.2 h.
Q: On which factor does the average kinetic energy of gas molecules depend? a) Nature of the gas b) Tem...
A: B
Q: using work kinetic energy method solve for the attached question
A: According to Work-Energy theorem the change in kinetic energy of a system is equal to the work done ...
Q: How much electrical energy is needed to bring two charges Q1= 5.5 x 10-7C and Q2= 1.7 x 10-6 C from ...
A: For a system of two charges posses energy named electric potential energy value of electrostatic pot...
Q: The gas and dust particles between a star and the earth scatter the star’slight more strongly in the...
A: This is a question from astrophysics. This is absolutely true that "The gas and dust particles betwe...
Q: A dipole with a charge pair q and -q, q>0, separated by a distance d is placed in a uniform elect...
A: When an electric dipole is placed in an electric field , both of its charges feel a force due to fie...
Q: 39) You place two toy cars on a horizontal table and connect them with a light compressed spring as ...
A: This problem can be approached by applying both momentum conservation and energy conservation. A det...
Q: A particle executes simple harmonic motion between x = -A and x = +A. The time taken for it to go fr...
A: A
Q: When the maximum kinetic energy of a simple pendulum is K, then what its displacement (in terms of a...
A: Option
Q: The direction of force P is given by an in-plane and out-of-plane angle. The direction of force Q is...
A: (a) Given: The figure is as follows: Introduction: A force vector is a representation of a force th...
Q: What are the important points regarding the concepts of: Electric Current and DC Circuit? Please ela...
A: Concept: In electrical technology, the current act as important fundamental elements. The current fl...
Q: A second’s pendulum is mounted in a rocket. Its period of oscillation will decrease when rocket is _...
A: Given: An explanation is shown below:
Q: Two plane harmonic sound waves are expressed by the equations: y1 (x,t)=Acos(0.5πx-100πt) y2 (x,t)=A...
A: A
Q: In the upper part of the atmosphere, the kinetic temperature of the air is of the order 1000K. There...
A: B
Q: A gas at one atmosphere and having volume 100ml is mixed with another gas of equal moles at 0.5atm a...
A: D
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
