When an object is heated its temperature definitely increases? a) True b) False
Q: Which device is used to measure pressure? a) Odometer b) Barometer c) Dynamometer d) Hydrometer
A: B
Q: cylindrical tank of area 5m2 contains water filled to a height of 10cm. A hole of area 0.005m2 is pr...
A: A
Q: Which of the following cannot be called energy? a) Momentum b) Stress energy c) Chemical potential d...
A: Given, Some physical quantities which may be energy or not
Q: A body of mass 3 kg starts from rest with a uniform acceleration of unknown magnitude. If the body h...
A: B
Q: H.W.: prove that the following examples are satisfy Laplace equation 1- f(x, y) =(e-2y)Cos2x 2- f(x,...
A: If a function f(x,y,z) satisfy Laplace equation then ∂2f∂x2+∂2f∂y2+∂2f∂z2=0 ⋯(1) So fir...
Q: For what value of e is a collision perfectly inelastic? a) 1 b) 2 c) 0.5 d) 0
A: D
Q: For a satellite with an elliptical orbit and not a circular orbit, the kinetic energy varies with ti...
A: A
Q: 10kg object is raised to a height of 20m. What is the magnitude of its potential energy? (Assume g =...
A: D
Q: completely elastic solid body partially regains its shape after removal of external force. True or F...
A: B
Q: When a 101 g mass is has stretched a k-9,75 N/m spring 20.4 cm, how much potential energy has been s...
A: Given: Mass is m=101kg. Spring constant k=9.75Nm. Stretch in the spring is ∆x=20.4cm.
Q: If a solid sphere of mass 200g and radius 20cm is rotating with an angular velocity of 5 rad s-1, it...
A: B
Q: Perpendicular axis theorem can be applied for which of the following bodies? a) Ring having radius R...
A: A
Q: radioactive particle at rest, having mass 10g, breaks into 2 fragments (1&2) in the mass ratio 2...
A: c
Q: Bulk modulus is defined as -P / (ΔV/V). Therefore it can be negative. True or False? a) True b) Fals...
A: The Answer is False.
Q: Acceleration due to gravity increases as we go towards the centre of the earth. a) True b) False
A: B
Q: ball of mass 3kg is thrown at an angle of 30° with the horizontal & a speed of 10m/s. At the hig...
A: A
Q: The wavefunction for the motion of a particle on a ring can also be written ψ = N cos(mlϕ), where ml...
A: Given, ψ=Ncosm1ϕ If ψ is normalized, then within the ring ∫02πψ*ψdϕ=1N2∫02πcos2m1ϕdϕ=1N2sin2m1ϕm1ϕ+...
Q: CARTOSAT is a group of geostationary satellites sent up by India. a) True b) False
A: B
Q: The radius of a planet is “R” and mass is “M”. A satellite revolves around it in an orbital radius o...
A:
Q: Two particles A and B, initially at rest, start moving towards each other under a mutual force of at...
A: A
Q: The value of universal gravitational constant changes is which of the following medium? a) Air b) Wa...
A: D
Q: Which of the following never occurs singly in nature? A) Inertia B) Momentum C) Force D) Velocity
A: Force never occurs singly in nature. According to newton third law there is always an equal and oppo...
Q: For an object on the surface of the earth, the magnitude of the acceleration due to the gravity of t...
A: B
Q: 1000 kW of power is supplied to a motor. 90% of this is transmitted to a machine operating at 80% ef...
A: C
Q: A ball traveling with some velocity v hits another ball elastically which is stationary. What will h...
A: A
Q: ring of radius 7cm is rotating about the central axis perpendicular to its plane. A force acts on it...
A: C
Q: From which of the following is the working of hydraulic machines based on? a) Pascal’s Law b) Newton...
A: A
Q: particle of mass 1kg is moving with a velocity of 20ms-1 then its kinetic energy is ____a) 200 Jb) 2...
A: C
Q: If force F is to have a component along-5 the u axis of Fu = 6 kN, determine the magnitude of F and ...
A: The formula to calculate the component of the force along the u-axis is given by Fu=FCosθ1.............
Q: A planet as a radius “R” and density “P”. The escape velocity of this planet is _____ a) directly pr...
A: C
Q: Which of the following statements is correct for brittle materials. a) It breaks soon after elastic ...
A: A
Q: 2-
A: Correct Answer: a) 253 m/s Given- Mass (m) = 10.0 g = 0.01 kg Length (L) = 2.00 m Tension force (F) ...
Q: need help with 9 and 10
A: Note: Since we only answer up to 1 question, we’ll answer the first question. Please resubmit the qu...
Q: The power P (watts) of an electric circuit isrelated to the circuit’s resistance R (ohms) and curren...
A: Given:The power P of an electric circuit is related to the circuit's resistance R and current I by t...
Q: The measured length of an inclined distance was recorded to be 324.688 m long. The difference in ele...
A: Given: The length of the inclined l = 324.688 m. The height of the slope h = 1.02 m. The length of ...
Q: radius Problem 2.14 A fly is running around on the surface of a sphere 0.10 m. You have nothing bett...
A:
Q: Surface energy is ________________ a) kinetic energy of the surface molecules b) the force per unit ...
A: D
Q: Replace the 12-kN force acting at point A by a force-couple system at (a) point O and (b) point B.
A: As the force is acting at 30° with the horizontal plane. So by dividing it into two components, we g...
Q: The expression for gravitational potential energy is “-(G*M)/r”. a) True b) False
A: B
Q: Ex.8. A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pu...
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: If a box is lying on the floor of a wagon with a coefficient of friction 0.2, what is the maximum ac...
A: Given : Coefficient of friction, μ = 0.2 Acceleration due to gravity, g = 9.8 m/s2
Q: satellite revolves around the earth in a circular orbit with a velocity “v”. What is the total energ...
A: A
Q: circular disc is rotating about a central axis perpendicular to its diameter with a speed of 5rad/s....
A: Given: The initial angular speed of disc is ω0=5 rad/s. The final angular speed of disc is ω=0 rad/...
Q: What is the SI unit of variable force? a) Newtons b) Joules c) Ampere d) Mole
A: A
Q: A particle is rotating about a fixed axis. The angular momentum of the particle about any point on t...
A: B
Q: A ring is at the top of the incline of angle and height ‘h’. If it is left from rest and goes down r...
A: D
Q: Every geostationary satellite is a geosynchronous satellite. a) True b) False
A: A
Q: For an object on the surface of the earth, the magnitude of the acceleration due to the gravity of t...
A: The acceleration gained by an object due to gravity is called acceleration due to gravity. It is der...
Q: A certain V-8 engine has a displacement of 404 in3. Express this volume in cubic centimeters (cm3) a...
A: Given, displacement of engine, V = 404 in3 since 1 in = 2.54 cm And, 1 in3 = 2.54 cm31 in3=16.387 c...
Q: Masses 1 kg, 1.5 kg, 2 kg, and “M” kg are situated at (2,1,1), (1,2,1), (2,-2,1) and (-1,4,3). What ...
A: B
When an object is heated its temperature definitely increases?
a) True
b) False
![](/static/compass_v2/shared-icons/check-mark.png)
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)