am Kam) Î. The vector difference D=Ã-B is: ACom)î+8 (m) ŷ-Carm) Ê D-2m)î + (4m)ŷ-(4m) E E)none of these

Q: Shown below are two carts connected by a cord that passes over a small frictionless pulley. Each car...

A:

Q: A car is driving down a straight flat road. The acceleration of the car follows the a-t graph shown....

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Q: A 3 kg cart is moving at 5 m/s to the right and hits a stationary 4 kg cart. After the collision, th...

A: Answer:-  Given  Mass of first cart (m1) = 3 kg  Mass of second cart(m2) = 4 kg  Initial velocity of...

Q: "footprint" (area of its ground floor) cannot occupy more than 1/4 of the lot it is built on. Suppos...

A: Given 1 acre = 43560ft2 MMaximum allowed footprint = 1/4 of lot built

Q: The SI unit of time of is sec Select one: O True O False

A: Introduction: Time is the duration in which all things happens, it is a fundamental physical quantit...

Q: An object's weight vector always points no matter how the abject is moving

A: weight of an object , W= mg where m= mass of the body g= acceleration due to gravity the direction o...

Q: A 1 m wire carries a current of 30 A. The wire experiences a force of 6.0 N in the presence of a mag...

A:

Q: A resistor of 400 ohms and an uncharged 4 x 10-6 farad capacitor are connected to a 80-volt battery....

A:

Q: A rocket with a mass of 4,000 kg has an engine that exerts a force of 40,000 N. What is the rocket's...

A: Given in question - Mass of rocket (M) = 4,000 kg                                   Thrust force(FT)...

Q: The flux received at the Earth from Supernova 1885 was 3.0182 x 10 10 W/m?. The luminosity of the su...

A: flux (I) = 3.0182×10-10 Wm2luminosity = 6×109 solar luminosities  

Q: 23. While having his vacation in Sta. Ana, Maliksi notices that four wave crests pass a certain poin...

A: Frequency of wave is represented by f while it's time period by T.

Q: Problem 12: Use the position vs. time graph shown in figure to the right to answer the following que...

A: The velocity is given by the slope of the line in the position-time graph.

Q: The figure below shows Atwood's machine, In which two contalners are connected by a cord (of negligi...

A:

Q: Consider the circuit shown in the figure below, where R, = 8.00 N, R, = 9.00 N, and Ɛ = 7.00 V. 10.0...

A: Given Resistance of the resistors are given as R1=8.00 Ω and R2=9.00 Ω emf of the battery is ξ=7.00 ...

Q: A concave mirror (f = 55 cm) produces an image whose distance from the mirror is one-fifth the objec...

A:

Q: Part (b) If the straight-line distance from her home to the university is 6.3 km in a direction 25° ...

A: According to question we need to find --- (a) What was her average speed, in kilometers per hour? (...

Q: the unit vector directed toward the origin from an arbitrary point on the line described by x=0 and ...

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Q: Two vectors A and B are shown in the figure. Vector A has a magnitude of rA = 29.3 and an angle of 0...

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Q: Question 1 The figure below shows a rod with two masses, M, and two masses, 2 M, spaced at equal 1 m...

A:

Q: The Lagrangian for the double pendulum is given by L=T-U, where T = ;(m1 + m2)l¡ói +m2B3 + m2hlhở162...

A: L =T-U=12m1+m2l12ϕ12˙+12m2l12ϕ22˙+m2l1l2ϕ1˙ϕ2˙cosϕ1-ϕ2+m1+m2gl1cosϕ1+m2gl2cosϕ2  

Q: 3. The figure below shows two tiny charged spheres q1 = +5 µC and q2 = -7.5 µC separated by 8.0 cm. ...

A:

Q: Part A. Determining Charge For the following questions, determine the charge on the object. Explain ...

A:

Q: Problem 5. Electric quadrupole Four charged particles are located in the x-y plane each a distance d...

A: The question says that the charges on the X axis are both positive whereas the charges on the y axis...

Q: A piece of wood has a specific gravity of 0.80. It measures 50mm x 50mm x 3.0m. What is the weight, ...

A: we have givenSpecific Gravity of wood (S)=0.80Volume (v)=50mm x 50mm x 3.0mm=7500 mm3

Q: A 0.020-kg bullet traveling at a speed of 300 m/s embeds in a 1.0-kg wooden block resting on a horiz...

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Q: 48. A copper bar is 80 cm long at 15 °C. What is the increase in length when it is heated to 35 °C? ...

A: Answer Given  L0 is the initial length of the copper bar at 15℃  α is the linear expansion coefficie...

Q: With the given three vector A, B, C. Determine the magnitude product of CxA A= 2i - 3j + 4k B= -3i -...

A:

Q: A spherical capacitor that consists of an inner conducting sphere with a radius R1 surrounded by a c...

A: We have givenThe charges at the surface with R1, R2 and R3 are Q1, Q2, and Q3  respectively

Q: On the way to Hilton Head, S.C. for Spring Break, your car breaks down in the middle of nowhere. A t...

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Q: You are holding a book of mass 10.7 kg that is initially at rest against a vertical wall by exerting...

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Q: What is the equivalent capacitance of the following capacitors in parallel across points A and B? (R...

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Q: Two blocks are in contact on a frictionless table. A horizontal force is applied to the larger block...

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Q: 2. A 230 ml ethyl alcohol was placed in a Pyrex glass and makes it full at 22°C. How much alcohol wi...

A:

Q: In the figure shown, the initial velocity is 175 ft/s. Solve for d".

A:

Q: You are standing 18.0 meters away from a building, which is 15.0 meters tall and has a large, flat r...

A: Given:  Distance from the building = 18 m Height of the building = 15 m Initial speed of the basebal...

Q: A small rectangular coil of 6 by 4 mm is placed in the middle of a solenoid of 40 mm length having 1...

A: Dimension of coil =6mm× 4mm Length of solenoid=40mm Current through solenoid =3.2 A Current through ...

Q: Part (b) What is the car's displacement in the x-direction Ax, in meters, during this period? Part (...

A: Vi = 0m/s  Vf= -30 m/s  t = 174 sec  d = 989m 

Q: 4. Ascending to the top of Muir Pass in the Sierra Nevada Mountains in California, Robert climbed 20...

A:

Q: 2. A charge q = 4.0 x 10-C in a uniform electric field E = 8.0 x 102N/C is moved from initial distan...

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Q: Two persons, weighing 784 N each, carry an excess charge of 1.0 Coulomb, one positive and one negati...

A:

Q: One Helium atom weighs 26.2 X 10-7 kg. How many He atoms would weigh 262 kg O a. 10° ОБ. 10 O. 10- O...

A: Given data:  Weight of one Helium atom = 26.2×10-7 kg Total weight = 262 kg Required: Number of heli...

Q: Learning Goal: To understand the meaning and the basic applications of Newton's 1st and 2nd laws. ...

A: Newton's First Law. Law of inertia A body will always try to maintain its state of mechanical moveme...

Q: 10) Reflection seismic data with a frequency of 20 Hz and bandwidth from 10 to 40 Hz recorded a refl...

A: λ=vf and minimum thickness required for reflection, d=λ  

Q: 8. A student does 300. joules of work pushing a cart 3.0 meters due east and then does 400. joules o...

A: When a force is applied to an object and it causes a displacement of that object then it is said tha...

Q: Ryujin and Yuna pull at two ropes attached to a cabinet with forces 80N and 120N respectively. What ...

A:

Q: A rubber stopper on the end of a string is swung steadily in a horizontal circle. In one trial, it m...

A: Given, Speed in the first trial =v Radius of circle in first trial = r Speed in the second trial = 3...

Q: Find the equation of motion in each of the following. 19). a 12 and s = 3, v = 1, when t = 2

A: a=12t4 s=3 v= 1 t=2

Q: A bus travels in a straight line along highway road. Its acceleration a from a toll gate is given as...

A: According to question we need to find --- velocity at 5 second?

Q: Two small charged spheres are placed in vacuum on the x-axis: q1 = +5.0 μC at x = 0 and q2 = −8.0μC ...

A: third charge will be to the left of q1  Now, at q3  F1 = F2

Q: 3. Translation is the motion along a straight line, while rotation is the motion requiring an object...

A: Angular displacement (∆θ) = θf - θi  So it is the change in angular position, means final angular po...

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.