A boat floating in fresh water displaces water weighing 35.6 kN. What is the weight of the water this boat displaces when floating in salt water of density 1.10 x 103 kg/m3? What is the difference between the volume of fresh water displaced and the volume of salt water displaced?

Q: Calculate the moment of inertia about centroidal axis of I section. b-159 mm, d-216 mm yt-37.4 mm. y

A:

Q: An adventurous archaeologist crosses between two rock cliffs by slowly going hand-over-hand along a…

A: The free-body diagram of the system is shown below. Here, T is the tension and m is the mass.

Q: A 1.0 kg object is thrown upward with an initial velocity of 50.0 m/s. (Neglect air resistance) A.…

A:

Q: (I) A heat engine exhausts 8200 J of heat while performing 2600 J of useful work. What is the…

A: Given:- Amount of heat exhausted by the engine is Q=8200 J Work done by the engine is W=2600 J…

Q: The weight of an astronaut plus his space suit on the moon is only 255N. How much do they weigh on…

A:

Q: A 50 N force is applied on the 200 N block which is at rest as shown in the figure. 200 N 50 N Ⓒ…

A:

Q: A fighter jet moving at a velocity of 140 m/s at a height of 1650 m drops a bomb in an enemy…

A:

Q: A person notices a mild shock if the current along a path through the thumb and index finger exceeds…

A: According to Ohm's lawV=I×RWhereV=VoltageI=CurrentR=Resistance

Q: A large crate with mass mm rests on a horizontal floor. The static and kinetic coefficients of…

A:

Q: 2 kips B C 2 kips E -4 panels at 10 ft = 40 ft span - 2 kips G 8 kips H 10 ft

A: If two of three members are collinear and no external force is applied in the joint, the third…

Q: + 5.0 Ω 10.0 V 3/4 3/20 29/8 29/40 23/40 23/8 10.0 Ω 10.0 Ω 2.0 V 15.0 V

A: We have a circuit with three voltages V1=10 V, V2=2 V and V3=15 V and three resistors R1=5 ohm,…

Q: A girl on skateboard (total mass of 56.1 kg) is moving at 14.1 m/s at the bottom of a long ramp. The…

A: Mass of the girl M=56.1 kg Initial speed u=14 m/s Final speed v=0 Angle of inclination θ=19.490…

Q: In simple rectilinear motion a 100 Kg mass is given a constant acceleration of 2.0 m/s². Find the…

A:

Q: Given data: Force = 24 N Time 5 s Calculate the Impulse II =

A:

Q: Water floats on a liquid called carbon tetrachloride. The two liquids do not mix. A light ray…

A: Given : Angle of incident  (i) = 45° Angle of refraction (r) = 40.1°  index of refraction of water…

Q: Given data: Mass=34 kg Acceleration=2.3 m/s2 Find force

A: Answer:-  Given  Mass(m) = 34 kg  Acceleration (a) = 2.3 m/s2  Force (F) = ?  We know that  Force =…

Q: A ball of mass 4.506 kg is thrown upward with a speed of 5.727 m/s. What is the magnitude of the…

A: Write the given values with the suitable variables. m=4.506 kgu=5.727 m/s Here, m is the mass and u…

Q: For the three objects whose free body diagrams are shown in Figure, the arrows indicate forces drawn…

A:

Q: You are asked to design spring bumpers for the walls of a parking garage. A freely rolling 1300 kgkg…

A: Kinetic energy : Kinetic energy of an object is the measure of the work an object can do by virtue…

Q: At 20°C, a rod is exactly 20.05 cm long on a steel ruler. Both are placed in an oven at 270°C,…

A:

Q: A coffee cup calorimeter with mass of 27.43  - grams is filled with water at 12.15 oC so that the…

A: In the given question, Mass of calorimeter (m1) = 27.43gm Total mass of calorimeter and water (m) =…

Q: 03-18 30 AV Cro henge r= 0.50 m 0.20 kg 1.20 kg 67. The 0.20 kg puck on the NT frictionless,…

A:

Q: 10. A machine is used to move a 700 N object by 2.00 m by exerting 400 N of force through a distance…

A:

Q: A police car traveling at a speed of 30.0 meters per second sounds its siren, which has a frequency…

A: By the principle of Doppler's effect, the perceived frequency fp is given by, fp =…

Q: 6. An exponential function is modeled in the velocity of the Supernatural by Ghost running on the…

A: We have acceleration which is given by the exponential function a=10et. We need to find the…

Q: An object is placed 15 cm from a concave mirror with a radius curvature of 10 cm. Determine the…

A: Given: A Concave mirror,Distance of object, u=-15 cmFocal length of mirror, f=R/2=-5 cmradius of…

Q: Force = 24 N Time = 5 s Calculate the Impulse

A:

Q: Given data: Force Time = 5 s Calculate the Impulse = 24 N

A: Introduction :  In this question we are provided with value of time and force . with these data we…

Q: Find Density of object of mass 43 kg which accupies space of 21 m3.

A: Introduction :  In this question we are provided with value of  volume and mass . With these data we…

Q: A student is able to isolate a single charged oil drop while performing a Millikan oil drop…

A:

Q: Force (N) Finding Speed from Work Graph Find the change in velocity of a 239 g hockey puck subject…

A: The area under force vs distance graph gives the Work done by the system.

Q: Given: ml=6.1 kg; m2=3 kg; Vli = 7 m/s; Vlf = 4 m/s; 0₁-25 degrees Find Velocity Vf2 and angle ₂…

A: Given: m1=6.1 kgm2=3 kgV1i=7 m/sV2i=4 m/sθ1=250

Q: 2 How much energy does it take to drive a 200 Hp car at 20 % power for 3 hours if it is 12 %…

A:

Q: After robbing a bank in Dodge City, a robber gallops off at 13 mi/h. 20 minutes later, the marshall…

A:

Q: (II) In an engine, an almost ideal gas is compressed adia- batically to half its volume. In doing…

A: (a) In this case, the ideal gas is adiabatically compressed so there will be 0 amount of heat flows…

Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

A:

Q: Block A in the figure (Figure 1) weighs 1.21 NN and block B weighs 3.61 NN . The coefficient of…

A: Kinetic friction The kinetic friction is mentioned  as a force of inverse  action among a pair  of…

Q: 4. A block at the bottom of a frictionless incline is given an initial velocity of 4 m/s up the…

A: The free-body diagram of the block is shown below. Here, a is the acceleration, N is the normal…

Q: 2. Airplane A is flying directly toward the airport which is 20 miles away. The pilot notice…

A:

Q: 18. A ball is thrown vertically upward from the ground and a student gazing out of the window sees…

A:

Q: A. 144 rad/s

A: Given Resistance=11000 ohms Capacitance=2.0*10-6 F Inductance=24.0 H Required frequency to minimise…

Q: Given data : Mass=34 kg Acceleration=2.3 m/s2 Find force

A: Given  Mass (m) = 34 kg  Acceleration (a) = 2.3 m/s2    Force on object is given as :- F = m × a

Q: List the factors Which affects the amount of Electromotive force generated by seebeck effect. Please…

A: Solution:-

Q: A student throws a ball vertically upward such that is travels 9.0 m to its maximum height. If the…

A: Given, maximum height attained by ball, h = 9.0 m total time taken by ball, t = 2.4 s

Q: The electrical resistance of a cable varies directly as its length and inversely as the square of…

A:

Q: One mole of an ideal gas is expanded isothermally to twice its initial volume a) calculate AS. b)…

A: Formula

Q: 2) The beam from a small laboratory laser typically has an intensity of about 1.0 x 10-3 W/m2.…

A:

Q: Calculate the potential difference required across a conductor of resistance 5 2 to allow a current…

A:

Q: 11. (II) Use the conservation of energy to explain why the temperature of a well-insulated gas…

A: When compressing the gas quickly, work is being done on the gas. According to first law of…

Q: 2. In a piece of paper, write your name (Given name and Family name only) in reversed-letter with…

A: Plane glass is a glass with a horizontal  (planar) reflective surface. For light rays crashing a…