a) Q3: Two vectors lying in the xy plane are given by the equations A-51-21 and B-21-3j. AxB equals: a) 19k b) - 11k c) - 19k d) 11k Q4: A stone is thrown vertically upward with an initial speed of 19.0 m/s. It will rise to a maximum height (in m) of: a) 4.9 b) 18.1 c) 39.2 d) 19.4

Q: You observe a car of mass 500 kg, moving at speed 5 m/s, collide with a 100 kg trailer that was at…

A: Given: The mass of the car is 500 kg. The initial speed of the car is 5 m/s. The mass of the trailer…

Q: f 2 kg is at rest. Another ball of 4 kg is moving in a straight line at 18 m/s collides with the 2…

A: Given  Mass of first ball is m1=4 kg Initial velocity of first ball is v1=18 m/s Mass of second ball…

Q: d) 1.3 A parallel plate capacitor of plate area 20 cm² and plate separation of 4 mm is connected to…

A: In the given question, Area of the capacitor plate (A) = 20 cm2 = 20×10-4 m2 Separation between the…

Q: 14. A dog running at 4.0 m/s sees a sitting squirrel and decides to catch it. The squirrel is…

A:

Q: A cylinder contains one mole of oxygen gas at a temperature of 27°C. The cylinder is provided with a…

A: Write the given values with the suitable variables. T1=27 °C=300 KP=1 atmT2=127 °C=400 K Here, T1,…

Q: A train moving with constant acceleration travels 24 ft during the 10th sec of its motion and 18 ft…

A:

Q: what happens to centripetal acceleration and why? a. It decreases as the radius of curvature…

A:

Q: 12. A toy train is moving on a straight track. a) Can the toy train have a constant velocity but a…

A:

Q: A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A…

A: Given:-  A roller coaster at an amusement park has a dip that bottoms out in the vertical circle of…

Q: In the figure, block 2 (mass 1.40 kg) is at rest on a frictionless surface and touching the end of…

A:

Q: A sphere of radius 0.25 m and a weight of 108 N is released with no initial velocity on the incline…

A: Consider the given data as below.  Radius of the sphere, R=0.25 m A weight, W=108 N  An angle, @=…

Q: Q/ Determine the resultant moment about the point (A) for all forces as shown in figure below: 3m-…

A: The free-body diagram of the force system is shown below.

Q: 1) A car moving at 12.0 m/s tries to negotiate a corner in a circular roadway of radius 15.0 m. The…

A: When car turns on a curve path a centripetal force starts working on it and it pushes the car to the…

Q: In the figure below, what is the torque due to the weight of the beam? 200 N axis 2.00 m ㅏ 100 N 300…

A:

Q: Question 1 A person travels at a speed of 8.5 m/s in a direction that is 30 degrees west of due…

A:

Q: A force is applied to a 24 kg object and presses it against a wall. This force is just great enough…

A:

Q: Q(3): Match between the followings definitions ( 1 In a steady-state Diffusion A Atom interchanges…

A: In the given question, We are asked to match the definition of Steady-state diffusion, Diffusion,…

Q: 11. (II) Particles of charge +65, +48, and -95 µC are placed in a line (Fig. 16-52). The center one…

A: Given  Charges on particle  q1 =+ 65 uC  q2 = +48 uC q3 = -95 uC   D = 0.35 m  The net force on each…

Q: Alex bounced a 0.59 kg rubber ball off the floor. The ball's speed just before impacting the floor…

A:

Q: Calculate the magnetic field strength of a toroid with n turns.

A:

Q: Calculate the force of gravity on a 1.2 x 10^5 kg space station at a distance of 3.5 x 10^5 m from…

A: given distance from surface of earth to space station h= 3.5 x 105 m mass of space station m = 1.2…

Q: 3. A 6.50 kg block is pressed against a vertical wall by a force (F), as shown in the figure below.…

A: The given force holds up the block against the wall. And since the wall is rough, it offers a…

Q: A Charging system producing 14.5 Volts with a current flow of 43.5 Amps, what is the circuit…

A: Given  Voltage (Vo) = 14.5 V  Current (I) = 43.5 A  Let circuit resistance is 'R' .  From Ohm's law…

Q: 8. (II) The electric field midway between two equal but oppo- site point charges is 386 N/C, and the…

A: Given distance between two charges d=16.0 cm =0.16 m net electric field at midway E=386 N/C the…

Q: 9.49 About what axis will a uniform, balsa-wood sphere have the same moment of inertia as does a…

A: I of solid sphere 12 = 2mr^2/5 M.I about a parallel axis = 12 + md^2 I of hollow sphere 11= 2mr^2/3…

Q: A current of 9.03 A flows through a conductor for 7.5 seconds What amount of charge passes through…

A: Given data: Current (I) = 9.03 A Time (t) = 7.5 s Required: Charge (Q)

Q: A baseball (at ground level) is hit and it flies at 175 m/s at an angle of 60o (from the horizontal…

A:

Q: A lever of length 100 cm has effort of 15 kgf at a distance of 40 cm from the fulcrum at one end.…

A:

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: S: Two vectors lying in the xy plane are given by the equations A=51-2j and B-21-3j. AxB equals: 19k…

A:

Q: You observe a car of mass 500 kg, moving at speed 5 m/s, collide with a 100 kg trailer that was at…

A: Let's check each option one by one 1. Before the collision Incorrect  before the collision the car…

Q: A passenger is standing on a scale in an elevator. The building has a height of 500 feet, the…

A: Draw the free-body diagram of the passenger with scale when the elevator is accelerating downward…

Q: Optics The equation 1 1 1 f р 9 sometimes called lens-maker's equation, gives the relationship…

A:

Q: The angular acceleration of a flywheel decreases uniformly from 9 rad per sec² to 3 rad per sec² in…

A:

Q: Does the principle of conversation of energy hold for interference and diffraction phenomenon

A: The law of conservation of energy states that energy can neither be created nor be destroyed.…

Q: Two Pant charges are on the y axis - A 5-60 HC charge is located at y=1·25cm, and a -2 ME Charge is…

A: in the first question  we define electric potential  at different  position  as shown on question.

Q: A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 50 cm diameter stone…

A: Write the given values with the suitable variables. d=50 cm=0.5 mωi=200 rpm=200×2π60 rad/s=20.94…

Q: A sphere of radius 0.25 m and a weight of 108 N is released with no initial velocity on the incline…

A:

Q: 7. (8 points) A parallel beam of light in air makes an angle of 47.5° with the surface of a glass…

A: Refraction of light

Q: Softball mass of 0,29 kg is pitched of 86.4 km/h. Whin it reaches the plate, it may haved slowed. by…

A: Given, The mass of the soft ball, m =0.29 kg  Speed, vi =86.4 km/hr = 24 m/s  Distance, d =15 m  And…

Q: Q11: Block A, with a mass 5 kg, rests on the incline. The coefficient of static friction between the…

A:

Q: 20. What happens to the inward acceleration of an object when the mass is quadrupled? a. The inward…

A:

Q: 6. The river flows with velocity of 8 m/s [N] relative to the bank. A boat travels with velocity of…

A:

Q: PNVKK Objects 1 and 2 are shown below. Object 1 has mass 21 kg, object 2 has mass 7 kg, and the…

A: 21) Draw the free-body diagram of the block m2.

Q: A piece of tin has a mass of 16.52 g and a volume of 2.26 cm³. What is the density of tin?

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

Q: 3.8 micro m is equal to (1 point) A8e6 nm B. 08e3 nm C. 8e-2 nm D. 8e-3 nm E8e2 nm 4. 7.2 km/hr is…

A: The following questions lie in the topic of Units and Dimensions. These involves basic conversions…

Q: KTMVK In the diagram, the angle of the incline is 0 = 24°. Although a 37_N horizontal force is…

A: Work done by the force is equal to the dot product of the force vector and the displacement vector.…

Q: The ball lands 0.425m from the track, so x=0.425m. It falls 0.4826m, so y=0.4826m. Using the data…

A:

Q: A 4.0 kg object moving with an initial velocity of 8.0 m/s on a horizontal surface comes to rest due…

A: Write the given values with the suitable variables. m=4 kgu=8 m/sv=0 m/sd=10 m Here, m is the mass,…

Q: Situation 4. A driver traveling at a speed of 70m/s on a highway applies his brakes at point A and…

A: Given, speed of the car at point A, vA = 70 ms speed of the car at point C, vC = 50 ms radius of the…

Scalars and Vectors

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