A boy named Jose walks westward for 5 km and then northward for 5 km and then 5 km southwest. How far eastward or westward is he from his starting point?

Q: Four forces are exerted on the eyebolt as shown. If the net effect on the bolt is a direct pull of…

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Q: 8 A car of mass 400 kg is approaching a junction and needs to stop in 40 m. It is travelling at 15…

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Q: A railroad handcar is moving along straight, frictionless tracks with negligible air resistance. In…

A: Relative velocity of A with respect B is VAB=VA-VB

Q: A projectile is fired at an upward angle of 45.6° from the top of a 342m cliff with a speed of…

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Q: Zach, whose mass is 70 kg, is in an elevator going up at a constant speed of 2.0 m/s. Match the…

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Q: Q3: Two vectors lying in the xy plane are given by the equations A=51-21 and B-21-31. AxB equals: a)…

A: The given vector                   A →= 5i^ - 2j^B→ = 2i^ - 3j^

Q: 1) The value normally stated when referring to alternating currents and voltages is the: d) peak…

A: As per guidelines we are suppose to answer one question from multiple questions and three subpart…

Q: The circuit elements shown in the sketch are connected to an ac generator at points A and B. If the…

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Q: 12) An ideal gas occupies 6.00 x 102 cm³ at 20°C. At what temperature will it occupy 1.20 x 103 cm³…

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Q: Mass of wooden box = 2 kg  Coefficients static and kinetic  between the box and the firction board…

A: Given:Mass of the box, m = 2 kgcoeff of static friction, μs = 0.70coeff of kinetic friction, μk =…

Q: 10) An aluminum rod 17.400 cm long at 20°C is heated to 100°C. What is its new length? Aluminum has…

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Q: A 20-volt electromotive force is applied to an LR-series circuit in which the inductance is 0.1…

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Q: ock C starts from rest and moves downward with a constant acceleration. Knowing that after 10s the…

A: Acceleration The rate at which the speed of the movement of body changing with respect to time is…

Q: (a) A spaceship is projected vertically upward from the Earth's surface with an initial speed of…

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Q: The electric field strength outside a finite distribution of charge whose volume charge density…

A: Here density of distribution (p) =p(r)  Outside the distribution total charge enclosed will be the…

Q: A 40-volt electromotive force is applied to an LR-series circuit in which the inductance is 0.1…

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Q: A student presses a book between his hands, as figure A indicates. The forces that he exerts on the…

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Q: In the following diagram, S, and S, are identical sound sources. If sound waves are emitted in…

A: Given: S1 and S2 are in phase. We need to write an expression for L1 and L2 that will result in…

Q: 5. A 210-N mass is suspended from a horizontal beam by two cables that make angles of 29° and 53⁰…

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Q: Light of wavelength 3500 instroms falls on metals A and B. Which metal will produce more…

A: Given data, Incident photon wavelength λ=3500 Ao Work function of metal" A"WA=5 ev Work function of…

Q: isplacement Q6: An elevator has a mass of 1600 kg and is carrying 200 kg passengers. A constant…

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Q: Q/ In figure below, if the friction force between the cable and the pulley is negligible, determine…

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Q: A spaceship whose rest length is 490 m has a speed of 0.88c with respect to a certain reference…

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Q: Exercise 8.42 A bullet of mass 6.00 g is fired horizontally into a wooden block of mass 1.21 kg…

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Q: A force of 40.0 N is applied in the positive x-direction to a block of mass 5.80 kg, at rest on a…

A: Determine the acceleration of the block.

Q: Show why the induced current in a wire can only be flowing in a particular direction.

A: According to Lenz's law, " If there is a change in magnetic flux then current in the loop induced in…

Q: COLFUNPHYS1 26.P.023. MY NOTES PRACTICE ANOTHER Consider the following. (a) Find the angle locating…

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Q: Ironman, a genius in a robotic suit with a total mass of 962.1 kg, flies forward horizontally at a…

A: Total mass of ironman with his suit (m) = 962.1 kg initial speed of ironman (u) = 40.1 m/s mass of…

Q: A superball is a high bounce ball. Ralph, who is 10, is playing with one in the dining room. He…

A: The expansion of material varies according to the temperature. When the temperature increases then…

Q: Q4/ A system consisting of two convex lenses, the focal length of the first is (cm (1) and the…

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Q: Q7: In a given displacement of a particle, its kinetic energy increases by 25 J while its potential…

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Q: 11: Block A, with a mass 30 kg, rests on the incline. The oefficient of static friction between the…

A: Given: The mass of block A is 30 kg. The angle of the inclination is 35o. The coefficient of static…

Q: ANOTILA A Fraunhofer diffraction pattern of a single slit of width 0.316 mm is produced using light…

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Q: A proton moving at speed v = 1.00 x 106 m/s enters a region in space where a magnetic fi eld given…

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Q: A 4.2 -g bullet leaves the muzzle of a rifle with a speed of 340m / s . What force (assumed…

A: Write the given values with the suitable variables. m=4.2 g=0.0042 kgu=0 m/sv=340 m/sd=0.83 m Here,…

Q: A radar wave reaches the target at a time of 2 x 104 sec, the corresponding radar range is

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Q: What load can be applied at its other end ?

A: Given data;  Lever length= 100 cm Effort= 15 kgf Distance =40 cm Determine the load applied at its…

Q: Part A Use ray tracing to determine from which locations A--D the object's image is visible.

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Q: Find the activity of a sample containing 7.24 x 10-6 g of Co (T1/2 = 5.27 years).

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Q: In the figure, a crate of mass m = 99 kg is pushed at a constant speed up a frictionless ramp (0 =…

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Q: In the figure, one end of a uniform beam of weight 380 N is hinged to a wall; the other end is…

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Q: At room temperature, a typical person loses energy to the surroundings at the rate of 62 W. If this…

A: Given data :                 Rate of energy lost  = 62 W

Q: The diagram below shows the arrangement of three small spheres, 4, B. and C, having charges of 3q,…

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Q: Two infinite line charges with uniform linear charge densities λ1 > 0 and λ2 < 0, are oriented…

A: Electric field due to an infinite line charge is given by:- E= (λ/2πεor) r^ Where; r= distance…

Q: A horizontal force of 93.2N is applied to a 42.5 kg crate on a rough level surface. If the crate…

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Q: pendicular to the ramp? d) Compute ProjuF. What is its physical interpretation? e) Coinpute Proju F.…

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Q: The bowling ball has mass 6 kg, diameter 24 cm. The moment of inertia of a solid sphere around its…

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Q: 5. A 210-N mass is suspended from a horizontal beam by two cables that make angles of 29° and 53⁰…

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Q: Which of the following will reach the maximum range?   a. A golf ball is hit at an angle of 45°…

A: Given that:θ1=45°, u=50 m/sθ2=50°, u=45 m/sThe range of a projectile can be calculated by the…

Q: What friction force is required by a 2000kg car's tires turning around a corner with a radius of…

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Scalars and Vectors

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