Why is a graphical determination of the average velocity obtained from the slope of a best-fit line drawn for the data more accurate than simply dividing the total distance by the total time?

Q: A 3.00-kg object undergoes an acceleration given by a=(2.00i + 5j) m/s?. Find the resultant force ac...

A: GivenMass of object (m)=3.00 kgAcceleration of object (a→)=(2.00 i+5 j)  m/s2

Q: Calculate the electric flux. a. An electric field of 0.151 N/C (9+ 2) passes through a vector area o...

A: Answer:-  (1) Given  Electric field (E) = 0.151 N/c  Area (A) = 3.1 cm2 = 3.1 × 10-4 m2 The plane is...

Q: 1. Two small charged spheres are placed in vacuum on the x-axis: q1 = +5.0 µC at x = 0 and q2 = -8.0...

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Q: A capacitor is formed from two 2.0 cm × 2.0 cm electrodes spaced 1.0 mm apart. The electrodes are ch...

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Q: The coefficient of dynamic friction between the grass and a 200 kg football blocking sled is 0.20. I...

A: Given dynamic  friction between the grass and a 200 kg football sled is 0.2. Mass  m= 100kg We have ...

Q: Part A It was shown in Example 21.11 (Section 21.5) in the textbook that the electric field due to a...

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Q: A ball has an initial velocity of 160 m/s at an angle of 30 degrees horizontally. This means that th...

A: The initial velocity of the ball, u = 160 m/s The angle of projection of the ball, θ = 30o The initi...

Q: An object is thrown in horizontal with an initial velocity v0= 10 m/s from the roof of a building 20...

A: Initial velocity =10m/s Height of roof =20m

Q: Review Constants Part A Coulomb's law for the magnitude of the force F between two particles with ch...

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Q: Suppose your hair grows at the rate of 1/76 inch per day. Find the rate at which it grows in nanomet...

A: Given data:  Rate of hair growth = 1/76 inch/day Required: Rate of hair growth in nm/s

Q: A falling flower pot takes 0.33 seconds to travel past a window that is 2.2 meters tall. From what h...

A: Given: The vertical height of the window is 2.2 m. The time taken by the flower pot to cross the win...

Q: The hydrogen atom consists of a single electron (mass 9.1 x 10 –31 kg) and a proton (mass 1.7 x 10 –...

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Q: Steve Rogers was found frozen 2.0 meters below sea level. How much pressure was exerted on his body ...

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Q: Direction: Illustrate and solve for the following problems. I. Consider a picture frame that hangs o...

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Q: Four charges form an isosceles trapezoid: Q1 = +2C is located at vertex X; Q2 = -3C is located at ve...

A: Q1 = 2C Q2=-3C Q3 =+4C Q4 =-5C Shorter length of trapezoid= 4m Longer length of trapezoid= 8m Altitu...

Q: What is ohms law

A: To discuss: Ohm's law

Q: 1. Hero yarn? You are tasked to construct a device to save the wworld from the hands of unknown alie...

A: GivenMass of the disk = 1 KgRadius of the disk = 0.5 mMass of the rod = 1 KgLength of the rod = 1 m

Q: 1. In which of the following situation ? does the car have westward acceleration? a. The car travels...

A: Given a car have westward acceleration and we have to chose the correct situation regarding to optio...

Q: If the de Broglie wavelength of a neutron is 10 ºm what is the energy associated with it? Mass of ne...

A: Given data: Wavelength λ=10-10m Mass for neutron m=1.675×10-27kg

Q: assume you are a perfect black body and Temp=310K. At what rate, in watts, do you radiated energy? (...

A: Solution:-

Q: answer 4 & 5

A: There are 7 basic property of light  Reflection of light.Refraction of light.Diffraction of light.In...

Q: What is the direction of the magnetic force on a negative charge that moves as shown in each of the ...

A: According to guidelines we need to solve only first three sub-part kindly repost other parts in the ...

Q: A charge Q = 2 nanocoulombs (nC: 2 x 10-9 C) is placed on the origin. What is the electric field at ...

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Q: A motorcycle traveling at a speed of 36.0 mi/h needs a minimum of 41.0 ft to stop. If the same motor...

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Q: As relay runner A enters the 73-ft-long exchange zone with a speed of 30 ft/s, he begins to slow dow...

A: Given:  Initial velocity of runner A = 30 ft/sec Initial velocity of runner B = 0 ft/sec Exchange zo...

Q: When you want to measure the AC voltage, which range will you set the knob to? 3 V 600 600 V 1 200 2...

A: To measure the AC voltage to which range the knob of multimeter is to be set.

Q: Express your answer in two decimal places What is the final velocity of the car, if it starts fro...

A: Given data:  Initial velocity (Vi) = 0 m/s Distance traveled (d) = 75.0 km = 75000 m Acceleration (a...

Q: What is the decrease in entropy (in J/K) of 30.0 g of water that condenses on a bathroom mirror at a...

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Q: Which of the following cause high friction when an object slides across the floor? a rough surface p...

A: Answersr are - a rough surface, a heavy object

Q: 1. If a charged particle moves along an equipotential line, a. The change in the force acting on the...

A: Given  The charge particle move along an equipotential line, then

Q: A car starts from rest and reaches a speed of 48 m/s in 15 seconds. The acceleration increases from ...

A: Given  speed of 48 m/s in 15 seconds In  t=0 to t=6 acceleration increase linearly And t=6 to t=15se...

Q: Three dots are resting on the vertices of a triangle. The sides of the triangle have a length of a =...

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Q: A charge of 1.03 x 10 µC is at the center of a cube of edge 61.0 cm. No other charges are nearby. (a...

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Q: If wire has 1.25 x 10^16 electrons flowing through its cross-section in one second, what is the curr...

A: Given data:  Number of electrons passed (n) = 1.25×1016 Time (t) = 1 s Required: Current (I) 

Q: Watch the video below and answer the following questions 1. Where does the symbol of Ohm originate? ...

A: 1)Jesuit college,Cologne. 2)1802-1805 at the age of 13 he attend high school. 3)Kant Alessandro Volt...

Q: When a velocity vector is changing direction, it requires an vector.

A: Given Velocity is changes its direction We whave to find the required quantity

Q: Identical 41 uC charges are fixed on an x axis at x = ±3.5 m. A particle of charge q = - 19 µC is th...

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Q: A stone at the end of a sling is whirled in a vertical circle of radius 1.00 m at a constant speed Y...

A: Given- Vertical circle of radius= 1.10m Constant speed V0 =1.60 m/s The Centre of the string is 1.50...

Q: A fireman's hose is pointed vertically upward at a height of 1.5 m above the ground and a stream of ...

A: Initial height (h) = 1.5 m Initial velocity = u time (t) taken to hit the ground = 2 sec   

Q: 4. I in FIGURE EX24.4. Does the box contain positive charge, negative charge, or no charge? Explain....

A: Your answer is phi=-5A

Q: Two protons are separated by a distance of 0.366 m. Given the proton charge of 1.60 x 10-19 C, deter...

A: Given, Protons are separated by a distance, d = 0.366 mproton charge, q = 1.60×10-19 C 

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

A: Given : Two tiny charged spheres           q1 = +5 μC and q2 = -7.5 μC are separated by 8 cm.

Q: The neutral point is a point in an electric field where no line of force passes. (a) What is the ele...

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Q: Find the electric field (magnitude and direction) at point on the x-axis at x = -0.200 m. Express yo...

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Q: Three charges line vertically respectively 31 C, -62 C, -38 C. 31 C and -62 C is separated by 20μm w...

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Q: KINETICS BLOCK B RECTILINEAR PULLEY 1 PULLEY 2 50 KN MOTION u = 0.60 1. Determine the weight of Bloc...

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Q: An object has a charge of 1 Coulomb. How many electrons does it contain? Show your calculation.

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Q: A railway car of mass 1.37 x104kg, rolling at 20.0 km/h [N] collides with another railway car of mas...

A: Image-1

Q: answers with worked out solutions please!

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Q: Two point charges, -10 nC and +15 nC, are held fixed a distance 0.50 m apart. (a) Where can a +20-nC...

A: Given value--- Q1 = -10 nC. Q2 = + 15 nC. We have to find--- where net force will be zero ?

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –