Given four vectors: 3 newtons 20 degrees south of west; 6 newtons 45 degrees north of west; 4 newtons 65 degrees east of south; and 8 newtons due north: a.) Find the resultant magnitude. b.) Find the resultant angle based on the zero-degree x axis.

Q: Nishi is driving his 2000kg car at 50 m/h. He diverts his attention from the road to message a frien...

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Q: A ball is thrown downward from the top of a tower with a speed of 6 meters per second. It took 3 sec...

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Q: 2. A small nail stuck in your car tire moves on a circular path with a radius of 35 cm. When the nai...

A: Given: The radius of the circular path is 35 cm. The linear displacement is 5.5 m.

Q: A concave shaving mirror has a radius of curvature of 35.0 cm. It is positioned so that the (upright...

A: Radius of curvature, R = 35 cm Focal length, f = R/2 = 17.5 cm Image distance = v Object distance = ...

Q: A point charge, q = -8.0 µC, moves for a distance of 80 cm at an angle of 900 relative to the direct...

A: Given value--- charge = -8 micro C.  distance = 80 cm. angle = 90 degree.  electric field = 500 N/m...

Q: What is magnetic field induction? Define magnetic field induction. Note: Minimum of 10 sentences.

A: Magnetic field induction and it's uses are described below:

Q: Three wires of the same diameter and length are made from three different metals: copper (ρ = 1.7 × ...

A: Given data:  The length and diameter of three wires are same The resistivity of materials ρcu = 1.7 ...

Q: A force of 4 N is applied to an object at an angle of 40 degrees to the X-axis. The object slides in...

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Q: An object weighing 50 lbf is being pushed downwards at an angle of 40° with the horizontal is alread...

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Q: Calculate the mass of a solid gold rectangular bar that has dimensions Iwh = 4.80 cm x 12.0 cm x 25....

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Q: Three equal, positive point charges are moved through an electric field via three diffferent paths a...

A: As the distance traveled by all three positive charges are same . Electric potential is a state func...

Q: Part A How far must the lens be from the sensor array? Express your answer in centimeters. ? S = ст ...

A: Note- measured length is positive if measurement is in direction of light travel direction.

Q: When viewed in a spherical mirror, the image of a setting sun is a virtual image. The image lies 17 ...

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Q: Describe ONE evolutionary consequence of using insecticides to kill pests rather than  ultrasonic so...

A: Insects spread disease and destroy millions of tons of crops each year. With global climate change a...

Q: Part A Bjom is standing at a= 600 m. Firecracker 1 explodes at the origin and firecracker 2 explodes...

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Q: Should the use of nuclear power be increased or phased-out?

A:   “Thirty-two countries currently operate nuclear reactors to generate electricity. While some cou...

Q: Look at the figure below. The horizontal beam weighs 200N, Find the tension in the cable if the obje...

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Q: A ball is projected upward with an initial speed of approximately 30 m/s. The diagram at the right r...

A: Given Data: The initial speed of the ball is: u=30 m/s The required speed of the ball is: v=-20 m/s

Q: this is a 23 watt energy efficient light bulb (1bulb) which cost 6.00.the retail price of electrici...

A: The energy consumed by a device is given by E = P×t, where P = the power of the device t = time

Q: for the circuit below. R1=32, R2=42, and the potential difference of the battery is 15V R1 R2 i) Cal...

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Q: 1. The equivalent resistance of the circuit is Ω 2. The source current is A 3. The voltage drop acro...

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Q: A convex mirror has a focal length of -24 cm. Find the magnification produced by the mirror when the...

A: We know if m is the magnification and u is the object distance and v is the image distance then 1v+1...

Q: While hauling a log in the back of a flatbed truck, a driver is pulled over by the state police. Alt...

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Q: A system is formed from a diverging and converging lens as shown in the figure. The point labeled Fe...

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Q: A projectile is hurled to reach a vertical distance of 48 meters and horizontal distance of 510 mete...

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Q: A bug from South America known as Rhodnius prolixus extracts the blood of animals. Suppose Rhodnius ...

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Q: NA football player of mass 95 kg is running at a speed of 5.0 m/s down the field as shown in Figure ...

A: A football player of mass, m1 = 95 kg is running at a speed of v1 = 5.0 m/s down the field as shown ...

Q: 2. Two point charges, +q and -q, are placed as shown. Rank the five points labeled A, B, C, D, and E...

A: Electric field concept is use here.

Q: Explain how refrigerator works in electromagnetism

A: Here we have to discuss how electromagnetic concept use in a refrigerator.

Q: . A mass-spring system is oscillating in the horizontal direction. If the mass is 0.25-kg, the sprin...

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Q: Please help thank u! A flywheel of mass 185 kg has an effective radius of 0.620 m (assume that the m...

A: Given, Mass=185kg Radius=0.62m

Q: An object of mass 2.3 kg is initially moving at 5 m/s. A constant force of 15N is applied to the obj...

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Q: a) What is the angular acceleration of the disk about its center? b) After 10 seconds of applied for...

A: Given, A record of Mass M , radius R, and thickness H is rotated by a 5 N force at its edge . The pi...

Q: 3. A 1250 kg car is moving down the highway with a velocity of 32.0 m/s when it bumps into the car a...

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Q: In the circuit shown, R1 =6,00 Q, R2= 4.00 2, R3= 4.00 Q, and R,=5.00 Ω %3D ww 24.0 V R2 ww R4 12.0 ...

A: Given

Q: 11.8 kg solid sphere (radius = .450 m) is released from rest at the top of a ramp and allowed to rol...

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Q: A uniform drawbridge must be held at a 41.0° angle above the horizontal to allow ships to pass under...

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Q: Jinkee and Mommy D were riding on a carousel. Jinkee is further away from the axIS of rotation thán ...

A: Ques:

Q: .0 x 10^3 dyne.dm/score to horsepower

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Q: 2 A flat coil with 900 loops is pulled between magnetic poles in 0.10 s. What is the average EMF ind...

A: Induced emf "e"= 1.17Volts .

Q: Which of the following statement is false? i. In an elastic collision, KE is conserved. ii. Momentum...

A: There are two types of collisions. Elastic collision Inelastic collision  

Q: Q1 = 10 C Q3 = -25C 20° 45° 15 m Q2 = 15 C

A: Q1=10c

Q: A battery having an emf (ɛ) of 12V provides a current of 85mA when connected to a load of 1252. i) C...

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Q: Look at the figure below. The horizontal beam weighs 200N, Find the tension in the cable if the obje...

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Q: Apply the concepts that you have learned by citing 1-2 examples each of the following category shown...

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Q: A cheering squad is made up of four members: Ping of 75kg moving 3.0 m/s, North; Manny of mass 70kg ...

A: Given : Mass of Ping = 75 kg Velocity of Ping = 3 m/s North Mass of Manny = 70 kg Velocity of Manny ...

Q: One end of a 9-in long × 7-in diameter copper bar is heated to 59.4°F, the far end of the bar is hel...

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Q: Evaluate V. V x Ā if à = p²zäp + p³āg + 3pz?ä,

A: Given, A→ = ρ2za⇀ρ + ρ3a⇀φ + 3ρz2a→z

Q: Given four vectors: 25 newtons 50 degrees north of east; 16 newtons 75 degrees south of east; 10 new...

A: Given: A=25 N (50 N of E)B=16N (75 S of E)C=10 N (35 E of N)D=30N (S)

Q: Suppose that you have a mass of 45.7 kg and are standing on frictionless roller skates. Someone then...

A: Given data:  Mass of person (m1) = 45.7 kg Initial velocity of person (V1) = 0 m/s Mass thrown by so...

Scalars and Vectors

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