Given the vector A = 100.00N at 30.00º above the negative x-axis. In terms of rectangular form, the vector can also be expressed as

Q: If a = 2i + 4 j-k and b-3i- 6j + 2k, what is the magnitude of vector a?

A: a→= 2i^ + 4j^ - k^b→ = 3i^ - 6j^ + 2k^

Q: 2. Block A in the figure weighs 100 N, p = 0.35 and W = 30 N. The system is in equilibrium. a) Find…

A:

Q: Observe and Explain A C Extend the dashed lines behind the mirror to locate the image of the candle…

A: Three friends looking at the mirror, light seems to be coming from that image location.

Q: Which statement is true about the transformer? Select oner A The main advantage of the step-up…

A: This question is based on Alternating Currents chapter. Transformer works on the principle of Mutual…

Q: 5.72* The visor of a helmet is highly reflective and can be considered as a part of a sphere of…

A: Given, Radius=20cm=0.2m Image distance=2m

Q: 2. A newly constructed steel bridge has a length of 518 m. How much will its length change between…

A: Given, Length of the bridge, Lo = 518 m coefficient of thermal expansion of the steel, α = 11×10-6…

Q: 1. Calculate the magnitude of the induced emf when the magnet in Figure 1(a) is thrust into the…

A: According to Faraday's law Induced emf = rate of change of magnetic flux

Q: Draw a ray-tracing diagram for an object located 3f away from a concave mirror with focal length f.…

A:

Q: 31.32 · An L-R-C series circuit has R = 400 SN, L = 0.600 H, and C = 5.00 x 10¬8 F. The voltage…

A:

Q: The acceleration due to gravity on the surface of the moon is 1.7 m/s. What is the time period of a…

A:

Q: What is the pressure at the bottom of a 5 m tall column of  fluid with atmospheric pressure 101 kPa…

A: Pressure=101kpa Temperature=20◦C

Q: 1. An ideal monoatomic gas expands isothermally from 0.550 m³ to 1.45 m³ at a constant temperature…

A:

Q: A cherry with a temperature of 20 ∘C was submerged in a punch of vodka of temperature 5∘C. After a…

A: (A) Write the given data. Ti=20 °CT∞=5 °C T=10 °C

Q: In accordance with the Bohr's model, find the quantum number that characterises the earth's…

A: In the question it is given that ,  Mass of the earth , m=6×1024 kg Radius of the orbit, r= 1.5×1011…

Q: A small candle is 34 cm from a concave mirror HA having a radius of curvature of 22 cm f = Value…

A:

Q: A 5.89 mm high firefly sits on the axis of, and 12.7 cm in front of, the thin lens A, whose focal…

A: We know that the lens formula is given as  1f= 1u+1v where u is the object distance and v is the…

Q: Why is the torque associated with T1 negative when it produces a counterclockwise rotation, and the…

A: torque associated with T1 negative when it produces a counterclockwise rotation, and the torque…

Q: 1. Given the following apparent power, what is the reactive power, in VAR? S = 4.2 VA θ = π/7…

A:

Q: When we measure the rate of radioactivity of a given isotope 60 days after making an initial…

A: The time of management is 60days

Q: e passenger’s side mirror says: “Objects in the mirror are closer than they appear.”   A) Does…

A: We know that in many cars, the driver's  side mirror says: “Objects in the mirror are closer than…

Q: A series RLCRLC circuit consists of a 260 ΩΩ resistor, a 25 mHmH inductor, and a 12 μFμF capacitor.…

A:

Q: If multiple capacitors are in a series circuit, describe how the total change can be found. What if…

A: Let us say that we have 'n' number of capacitors that are in series all having magnitude C (in…

Q: 2. Calculate the total displacement of a cheetah with the following displacement vectors: • Ã = 80…

A:

Q: One of King Hiero's crowns was found to have a weight of 13N in air. What is its specific gravity if…

A: Specific gravity of object is the ratio of density of that object to the density of water. specific…

Q: 4.59 A water jet issues vertically from a nozzle, as shown. The water velocity as it exits the…

A: The water jet flow is shown below.

Q: What is the mass of an object if it's weight surface of the moon is 120 N? on the

A: We know that the weight of an object is given as  W = mg  where W is the weight  m is the mass  g is…

Q: stone is thrown vertically upward with a velocity of 10 m/s from a window 50 meters above ground…

A:

Q: A resistor of resistance 7 ohm is connected in series with a capacitor of capacitance 50 micro F…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: What is said to be the main difference between cohort studies and experimental studies?

A: Experimental studies involve active manipulation of exposure (treatment/alternative treatment)…

Q: A planet orbits a massive star in a highly elliptical orbit, i.e., the total orbital energy E is…

A:

Q: In an electrically heated home, the temperature of the ground in contact with a concrete basement…

A:

Q: The left-hand rule state that the user thumbs represent the X-axis and the .index represent the…

A: We have to apply Fleming left hand rule here.

Q: Suppose a person's eyes have a relaxed power of 50.62 D. Assume a 2.00 cm distance from the retina…

A:

Q: In the figure, block 1 has mass m1 = 0.460 kg, block 2 has mass m2 = 0.500 kg, and the pulley, which…

A:

Q: In an experiment on standing waves, a string 34 cm long is attached to the prong of an electrically…

A:

Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s =…

A:

Q: 5.48* Two thin lenses having focal lengths of +15.0 cm and -15.0 cm are positioned 60.0 cm apart. A…

A: Solution:-

Q: 5.83* Considering the operation of a spherical mirror, prove that the locations of the object and…

A:

Q: i,A garden is rectangular being 22 m wide and 45 m long. How long is a line drawn from one corner to…

A:

Q: Find the maximum frequency of light that human can see underwater? The speed of light in water is…

A:

Q: Each of the double pulleys shown has a mass moment of inertia of 15 Ib-ft-s² and is initially at…

A:

Q: In a coil of area 12cm^2 and 20 turns with a magnetic field directed perpendicular to the plane and…

A: Data  we have Area=12cm2=12×10-4m2 N=20 turns The rate of change of magnetic feilddBdt=104T/s…

Q: If 10 g of mass were completely converted to energy, how many Joules of energy would there be?

A: The amount of mass which is completely converted into energy is given by m=10 g=0.01 kg

Q: Part A A flashlight beam strikes the surface of a pane of glass (n = 1.56) at a 69 ° angle to the…

A:

Q: 5.33* A 6-cm butterfly has to be projected onto a screen positioned 1.20 m away so that its image is…

A:

Q: In accordance with the Boh find the quantum number t

A: Givenr=1.5×1011 mv=3×104 m/sm=6×1024 kg

Q: total KE before and total KE after

A: From the data given above, we see that there are two masses A and B. They are having initial…

Q: 4.42 A tank of liquid (S = 0.80) that is 1 ft in diameter and 1.0 ft high (h = 1.0 ft) is rigidly…

A:

Q: Find the dot product of the given vectors: u={29,16.20} v= [16,5, 10]

A:

Q: Rotation of Fluid Elements 4.86 PQ What is meant by rotation of a fluid element? Use a sketch to…

A: What is meant by roation of a fluid element. Use a sketch.

Scalars and Vectors

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