An object is projected vertically upwards with a velocity (gr) 1/2. What is the maximum height reached by the object if “R” is the radius of the earth and “g” is the acceleration due to gravity? a) R/2 b) R c) 2R d) 4R
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: The force of air drag experienced by a falling objects depends on two things. First the speed of the...
A: 2nd is the weight due to gravity pulling the object towards earth
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: The energy possessed by a body by the virtue of its position is called ______ a) Kinetic energy b) P...
A: A
Q: The acceleration due to gravity on the surface of the earth is different at different points on the ...
A: A
Q: uniform disc of radius R is put over another uniform disc of radius 2R of same thickness and density...
A: None of the option is correct. The correct option is R/5 right to center of larger disc. Diagram :
Q: The slope of a slanted surface is 2:7. If the horizontal distance is 7/2, what is the vertical dista...
A: Given: The slant is of ratio 2:7. The horizontal distance is 7/2.
Q: rocket takes off from the earth and continues to move in a circular orbit with the thrusters on. Wha...
A: C
Q: rope has a uniform mass density of 0.4 kg/m. The rope is 10 m long and is lowered into a 10 m deep p...
A: A
Q: When a roller coaster is at the top of a steep hill, its potential energy is maximum. When it hurdle...
A: B
Q: asteroid enters the atmosphere of the earth and breaks into two pieces. One of the pieces is larger ...
A: C
Q: Derieve the equation G = H -TS
A: Thermodynamic Potentials Thermodynamic potentials are physical quantities that if known are useful i...
Q: Two bodies collide perfectly inelastically, they will ______ a) Move together b) Move in opposite di...
A: A
Q: work done on a body of mass 5 Kg is 70 J. What is the magnitude of the force applied if the total di...
A: A
Q: (a) A house is to be designed to withstand hurricane-force winds. The maximum wind velocity is v-(an...
A: The force(F) that the roof can withstand easily.given,Densityρ=1.029 kgm-3Let wind velocityvB=100 ms...
Q: A finite rod of length L has total charge q, distributed uniformly along its length. The rod lies on...
A:
Q: Three charges are placed on three corners of a square, as shown in the figure. Each side of the squa...
A: Net electric field at the fourth corner is, E→=E8→+E4→+E5→=keq8a22cos45oi^-sin45oj^+keq4a2-i^+keq5a2...
Q: object is thrown from the ground with a velocity of 5 m/s. If the object has a mass of 2kg, what wil...
A: C
Q: The moment of inertia of a ring about a tangent is 4kgm2. What is the moment of inertia about an axi...
A: B
Q: A 2kg blob of putty is moving at 3 m/s slams into a 2 kg blob of putty at rest. Calculate the speed ...
A: Given: The mass of the putty is 2 kg. The velocity is 3 m/s. The another put...
Q: The following is an acceleration-time graph of a particle with a starting velocity and the distance ...
A: Velocity is defined as the rate of change of displacement with respect to time. Similarly, accelerat...
Q: Three forces act on a body. Two of them are 7î – 13ĵN and 2î – 11ĵ. What is the value of the other f...
A: A
Q: Please find the space velocity of our Sun caused by the gravitational effect from the Earth and Jupi...
A: Introduction: The component of stellar motion toward or away from the sun can be measured from the s...
Q: Which of the following is not a variable force? a) F = x b) F = y2 c) F = 2 d) F = 2*t
A: C
Q: What work must be done to stop a bullet moving with a velocity of 2000ms-1 and having a mass of 50g?...
A: A
Q: If mass (m) is doubled and velocity (v) is halved then _____ a) Kinetic energy decreases by half b) ...
A: A
Q: Solve for AB and AC where F=350lb
A:
Q: H.W. Or find the center of mass and inertia of a thin, -shaped (u), three-sided bent wire, all piece...
A: Let b denotes the length of each side, m denotes the mass of each side, x denotes the x-coordinate o...
Q: A capacitor of 3.23µF has an area of 6.35mm^2. Determine the separation distance between the two pla...
A: Given information: The capacitance of the capacitor, C=3.23 μF=3.23×10-6 F The area of the capacitor...
Q: Consider the measurement of pressure in a gas through measurement of its temperature T and density p...
A: The expression for the measurement of pressure P is given as,
Q: A chain of length 4 m is kept on a table. 2 m of the chain hangs freely from the table’s edge. The m...
A: B
Q: Please show all work and circle your answer. Thank you
A:
Q: The coordinates of the centre of mass of objects of mass 10, 20, 30 kg are (1,1,1) m. Where should a...
A: B
Q: Find the vector product (a X b) of the two given vectors: a = 2i + 3j + 4k, b = 3i + 5j. Here, i, j ...
A:
Q: While driving down the highway at 30m/s(which is about 72 mph) Bill Gambini spotsa police car, siren...
A: Given:-
Q: Consider two perpendicular axis in the plane of a planar body, such that I1 = 2 I2. The moment of in...
A: c
Q: What would be the magnitude of the acceleration due to gravity on the surface of the earth if the ra...
A: C
Q: The centre of mass of the body always lies on the line of symmetry for an object with uniform densit...
A: yes, the centre of mass of the body always lies on the line of symmetry for an object with uniform d...
Q: Electric Field lines for a system containing four charges (denoted by the circles) are displayed. Di...
A:
Q: The velocities of three particles of masses 10 kg, 20 kg and 30 kg are 10i, 10j and 10k m/s, respect...
A: A
Q: rocket takes off from the earth and continues to move in a circular orbit with the thrusters on. Wha...
A: C
Q: variable mass body with an initial mass of 5 kg is moving with a velocity of 5 m/s initially, after ...
A: A
Q: Obtain a power series expansion for f(z) = 1+ z 1– z in a disc D(0, r1) and stating what the maximum...
A: We have been provided with function f(z)=1+z1-z We have to obtain the power series expansion of abov...
Q: The ratio of the radius of a planet A to that of a planet B is “r”. The ratio of acceleration due to...
A: A
Q: The length of a smooth inclined plane of 30-degree inclination is 5 m. The work done in moving a 10 ...
A: A
Q: Gravitational potential energy can be zero but gravitational potential can never be zero. a) True b)...
A: B
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: a This is a conducting outer shell of inner radius a and outer radius b. There's a point charge Q in...
A: According to Gauss' law the electric flux out of a volume is proportional to charge contained inside...
Q: projectile has both change in kinetic and potential energy. Still the work done calculated between a...
A: d
Q: Assume a spring extend by “d” due to some load. Let “F” be the spring force and “k’ the spring const...
A: B
An object is projected vertically upwards with a velocity (gr) 1/2. What is the maximum height reached by the object if “R” is the radius of the earth and “g” is the acceleration due to gravity?
a) R/2
b) R
c) 2R
d) 4R
Step by step
Solved in 2 steps
