3. What is the volume of a parallelepiped whose edges are represented by A= 2i-3j+4k, B= i+2j-k, and C= 3i-j+2k a. 7 cubic units b. 8 cubic units c. 9 cubic units d.10cubic units 4.A vector which is not a null is called a. resultant vector c. proper vector b. rectangular vector d. component vectors

Q: A box, initially at rest, has 22.9 N of force exerted on it for 7.30 s. If the box has a mass of…

A: Given  Force (F) = 22.9 N  Mass (m) = 5.56 kg  Time (t) = 7.30 s    Acceleration of the box , a =…

Q: Lake Baikal in Siberia holds the world's largest quantity of fresh water, about 14 Eg. How many…

A: Given information:The quantity of fresh water in the lake is 14 Eg.

Q: 1) As shown in the figure, a bimetallic strip, consisting of metal G on the top and metal H on the…

A: Curved downward ( SO option C is correct)

Q: A 10,000-lb airplane is launched from a catapult. The spring of the catapult (ks = 150 lb/in) is…

A: Solution: Given: 1 ft = 12 in m = mass of airplane = 10000 lb k = spring constant of catapult = 150…

Q: Determine whether the work done along the path C is positive, negative, or zero. کچھ کچھ کرن O…

A:

Q: The spool has a weight of 40 lb and a radius of gyration ko -0.45 ft. Acord is wrapped around its…

A: Weight of the spool, W=40 lbMass of the spool, m=Wg=4032=1.25 slugHorizontal force, P=6 lbRadiu of…

Q: Calculate the moment of inertia of the shaded area about the x-axis. 105 mm 32 mm -*- -53 mm → 53 mm…

A: Moment of inertia of the triangle about X-axis, It=112bh3=112×(53+53)×1053=10.22×106 mm4   Moment of…

Q: 10 A 400-g block originally moving at 12- cm/s coasts 70 cm along a tabletop before coming to rest.…

A:

Q: A 1.00-kg brick rests on the surface of the Earth at the equator (6378 km). Calculate the following:…

A:

Q: There is a large cylindrical charge which is described distribution by the following charge density…

A: This Problem can be solved using gauss law for electric fields. Done below:

Q: In the figure below, the dashed lines show the equipotential lines of electric fields. (A charge…

A: Given:-  The dashed lines show the equipotential lines of electric fields. (A charge moving along a…

Q: 6.0 V 8 cm X X X X X X xax x X X X X X X X X X X X X 0.93 T a) At the moment when the power is…

A: At the moment when power is turned on the current in the wire could be found using Ohms law : V=IR…

Q: What is the free space path loss in dB over 20 meters at the 2.4 GHz band, and how does the dB…

A: Given data, Distance in km D=20 m or 0.08 km

Q: A car travels a distance of 350miles in 5.0 hours. Find its speed.

A:

Q: sailor is sailing around three islands. She travels 2.6 km from Island A to Island B. She then turns…

A:

Q: Thermal energy is produced in a resistor at a rate of 111 W when the current is 3.24 A. What is the…

A: given;- Power P = 111 WCurrent i = 3.24 A

Q: A monochromatic light of wavelength 316 nm in air is passing through a piece of glass of index of…

A:

Q: Suppose that 6 J of work is needed to stretch a spring from its natural length of 36 cm to a length…

A:

Q: Bebang stands shoulder deep in the pool and observes that six crests of periodic surface waves pass…

A:

Q: h) Determine the buoyant force by the water on the wood: N i) Determine the force by the wood on the…

A:

Q: 9) The second law of thermodynamics leads us to conclude that A) disorder in the universe is…

A:

Q: 28) Two long parallel wires are placed side-by-side on a horizontal table. If the wires carry…

A: Solution: Given data, Two parallel wires are placed side by side on a horizontal table and current…

Q: A beam of light is incident on the Surface 1 of a 60° -60°-60° prism at an angle 0₁. The light is…

A: a) refractive index of prizm  n = 1/Sinθ2 = 1/Sin44°  n = 1.44

Q: The primitive translation vectors of the hexagonal space lattice maybe taken as 32a --( 2 ) + (7) a1…

A: The primitive translation vectors at hexagonal space lattice may be taken as a1 =(31/2 a/2)x⏞+a/2 y⏞…

Q: What is true for the critical incident angle? O The incident angle goes from a low to a higher index…

A: Answer for the given question is as follows,

Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 18.2 Q. When they are…

A: Let the 2 resistors   1 & 2 have resistance  R1 & R2  ohms    respectively . according to…

Q: A spring with spring constant 50 N/m is hanged from a vertical ceiling. It is then pulled by 30 cm…

A: Speed of the mass is not maximum at the amplitude as its speed have to be zero at the end points.…

Q: 2.-A triangular glass prism with apex angle Φ = 60 has an index of refraction of n = 1.50 (see…

A:

Q: A steady force impacts a 0.85 kg ball resting on the ground. The impact lasts 0.36 seconds,…

A: Given Data, Mass of the ball (m)=0.85 kg Time duration (∆t=0.36 s Velocity (v)=3.1 m/s

Q: A series RL circuit is shown below. Which of the suggested changes in the circuit would result in…

A: We have a series RL circuit with source voltage E, resistance R and inductance L as shown in the…

Q: In the figure the current in resistance 6 is i6 = 1.38 A and the resistances are R₁ = R₂ = R3 =…

A:

Q: A certain brand of hotdog cooker works by applying a potential difference of 132 V across opposite…

A:

Q: 1.31 Resolve the 360-lb force into components along the cables AB and AC. Use a = 55° and ß = 30°.

A:

Q: 35. ★★ To increase security in a store, a storekeeper decides to replace an old plane mirror with a…

A:

Q: A crate of mass m₁ = 12.4 kg is pulled by a massless rope up a 36.9° ramp. The rope passes over an…

A: Given Data m1 = 12.4kg s = 1.5 m theta = 36.9 degree frictional force ff = 18.7 N Tension in rope, T…

Q: 18) Two protons are fired toward each other in a particle accelerator, with only the electrostatic…

A: Protons are subatomic particles which are having a charge, q=+1.6×10-19C and mass 1.67×10-27 kg. The…

Q: In the circuit below, what is the reading of the voltmeter (round off to the nearest whole number)?…

A: Given,

Q: Oil in a tank has a specific gravity of 0.82. Determine the gage pressure at 3.75 m below the liqui

A: GivenSpecific gravity of oil, Soil=0.82Height below the liquid surface, h=3.75 m

Q: A dish antenna having a diameter of 16.0 m receives (at normal incidence) a radio signal from a…

A:

Q: An electron is placed in an uniform electric field of 4.5 x 10'5 N/C created by two parallel plates…

A: Given: The electric field is 4.5x105 N/C. The initial speed of the electron is 0 m/s. The distance…

Q: Think about two polarizers that are perpendicular to one another and have an analyzer in the center…

A:

Q: 2) In a single-slit diffraction experiment, the width of the slit through which light passes is…

A: Required effect of reduction of slit width on width of central maximum.

Q: 11) A heat engine receives 7000 J of heat and loses 3000 J in each cycle. What is the efficiency of…

A: Given     heat given (Q1) = 7000 J     heat lost (Q2 )= 3000 J   Therefore ,  Useful work done by…

Q: The control panel on a spaceship contains a light that blinks every 2.71 s as observed by an…

A:

Q: A block is placed on top of a fixed smooth inclined plane inclined at 30° to horizontal. The length…

A:

Q: A space traveler takes off from Earth and moves at speed 0.9900c toward the star Vega, which is…

A:

Q: a) Determine the resistance of the resistor. Enter your answer in units of Ω. (b) Determine the…

A: Part (a): Given: The supply voltage is 4.5 V. The electric current is 550 μA.

Q: The figure below shows five resistors and two batteries connected in a circuit. What are the…

A:

Q: Two long parallel wires 20 cm apart carry currents of 5.0 A and 8.0 A in opposite directions. At…

A:

Q: A solar collector is placed in direct sunlight where it absorbs energy at the rate of 900 J/s for…

A: Here , We can use Stefans Law, which is : P=kAeT4 Here P is Power k is Stefan Boltzman constant and…