What is the relationship between the speed a car is traveling and its braking distance?

Q: Para llel Circuit 2. R,= 1452 Ry 62 50V I, ニ ー2 V, T. こ よ

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Q: A ray in plastic has a critical angle of 44.4 deg when trying to enter air. What is the index of ref...

A: The answer is below

Q: A virus can be modeled as a 50-nm-diameter sphere. Viruses, like biomolecules, are charged. A typica...

A: GivenDiameter of sphere(d)=50 nmVirus has charge(q)=-300eion concentration =150mM 

Q: n situation (2), give the direction of a by naming either a quadrant or a direction along an axis. (...

A: IN situation (2) which is shown in the figure below  This gives the vectora→, either quadrant or a ...

Q: Find acceleration U=4 m/s V=8 m/s t= 4 s

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Q: Express your answer with the appropriate units. > View Available Hint(s) A mass on a string of unkno...

A: Given value--- time period = 4.2 sec. We have to find--- time period if amplitude is doubled?

Q: How do we determine the region(s) with the strongest/weakest electric field using the equipotential ...

A: An electric field line is an imaginary curve that originates from a positive charge and ends at a ne...

Q: An airplane travelling at 278 m/s upward at an angle of 30 o to the horizontal is in a region where ...

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Q: What is the maximum speed of a wave on a rope with a linear mass density of 9.2 kg / m and a tension...

A: Given  Tension (T ) = 130 N Linear mass density (m/l) = 9.2 kg/ m From data we can clearly see that ...

Q: A bird is flying due east. Its distance from a tall building is given by: x = 28.0m + (12.4m/s)t (0....

A: Instantaneous velocity, v is given by v=dX/dt  where x is the position of the bird varying with time...

Q: student rubs paper onto his hair. Answer the following problems.

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Q: A cylindrical rod 100 mm long and having a diameter of 10.0 mm is to be deformed using a tensile loa...

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Q: An elevator is lifted with a cable upward with increasing speed. Explain the sign of acceleration an...

A: The answer is below

Q: If a vernier caliper has 1/25 of an inch as its SMR (Smallest Main Scale Reading) and has 40 divisio...

A: Given data: The smallest main scale reading of the vernier calliper, SMR=(1/25) in. Number of divis...

Q: Tthe length of a moving conductor L=0.25m (you may assume that this is the distance from “rail to ra...

A: Given that:- Length of moving conductor=L=0.25m

Q: . What is the speed of the block and bullet when they first start moving together?  b. What is the ...

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Q: 2. The average diameter of the earth is 13462 km. Find the area of the surface of the earth in miles...

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Q: A pitcher bestows a power of P = 206 W to a baseball of mass m = 0.095 kg for a period of t = 0.28 s...

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Q: 3. As the bob of the simple pendulum oscillates, the magnitude of its velocity is maximum at: i. ii....

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Q: A car accelerates uniformly from rest and travels a distance of (100 ± 1) m. If the acceleration of ...

A: Given that:- s=(100±1)ma=(6.5±0.5)m/s2u=0v=?    

Q: 8. 5.0 moles of an ideal gas that occupies a volume of 30 L at a temperature of 30°C undergoes an is...

A: Given value--- Number of mole = 5. initial volume = 30 L. final volume = 20 L. Temperature = 30 deg...

Q: A helium-neon laser operates at the threshold limit, mirror reflectivity coefficient (0.999 & 0.95),...

A: Given-Length of tbe laser L=50cmActive medium gain GA=1.02Reflection coefficient of mirrorR1=0.95R2=...

Q: A circular loop in the plane of the paper lies in a 0.60 T magnetic field pointing into the paper. T...

A: Magnetic field = 0.6T Resistance of coil = 1.55Ω Initial diameter=20.5cm Final diameter=9cm Time =0....

Q: Two small charged spheres are placed in vacuum on the x-axis q1 = +50 µC at x = 0 and q2 = -8.0pC at...

A: Let q be the charge placed at x=a. Let the charge q be placed at a distance of r to the left of char...

Q: Which physicist first demonstrated that heat is a form of energy? ⦁    Amedeo Avogadro ⦁    Robert B...

A: The answer is below

Q: A wire carries a current of 10.0 A in a direction that makes an angle of 30.00 with the direction of...

A: It is given that             The current (I) = 10A             Angle(θ) = 30°            Strength of...

Q: .A car travels in the +x-direction on a straight and level road. For the first 4.00s of its motion, ...

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Q: Let r(t) = (3t, 4 cos t, 4 sin t). Compute the curvature K(t), the unit normal N(t), and the tangent...

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Q: • The capacitor is initially uncharged. Immediately after the switch is closed, before any charge ha...

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Q: A freezer sustains a cold environment of -26°C and exhausts its heat at 35°C. Assuming a Carnot cyc...

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Q: Your new Telsa Model 3 specs say that it can do 0-60 mph in 3.2 seconds. Can you get the acceleratio...

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Q: الفرلقباه 2: Find all currents and all voltages 22 1 3 42 12 3 V 5 V 12 8Ω +) ww ++

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Q: Two charges, one is 5 C and another is unknown but force between them is 75x10^13 N and they are sep...

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Q: Consider the following physical cases. Choose the letter that correctly matches each roman numeral w...

A: The correct answer is I Convection  II conduction. III Radiation   Here we are looking at the means ...

Q: As used in the definition of electric field, a "test charge" has charge of magnitude 1.6 × 10-19 C m...

A: Answer is (e) has a charge of magnitude 1C.

Q: A ball rolling across a flat horizontal table has a velocity of V1 . After it leaves the edge of tjh...

A: Given that:- V1=Horizontal component of velocityV2=Resultant velocity before hitting the groundV=Ver...

Q: 2. A passenger jeep is traveling at 40 m/s when the breaks are applied. It comes to a stop after 10 ...

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Q: What is the relationship between Orbit Velocity of Satellite and Escape Velocity?

A:   Orbit Velocity = VO Escape Velocity = VE  

Q: A 25 kg box is on a 35° hill with a coefficient of friction of 0.1 and an additional applied force p...

A: Mass of box, m = 25 kg Angle of hill, 35 degrees  Co efficient of friction = 0.1 Force applied upwar...

Q: Instructions: Provide what is asked. Only thorough and explicit solutions are rewarded with full poi...

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Q: 4) A car travels for 2 hours at 5 m/s and for 20 minutes at 8 m/s. What is the average speed for thi...

A: Average speed is define as                       Average(v) = total distance total time  Given that ...

Q: What is electricity

A: Electricity can be defined as:  

Q: 5. Which of the following statements concerning motion graphs is correct? a. The slope of a velocity...

A: None of the given statement is correct about motion graphs

Q: How do you express the coordinates of an object in cylindrical and spherical coordinates when its co...

A: The Cartesian coordinates x,y,z of a point is related to cylindrical coordinate r,θ,z as, x=r cosθ, ...

Q: A baseball player throws a ball horizontally. Which statement best describes the ball's motion after...

A: Given:  Scenario: Baseball is thrown horizontally. 

Q: 8. A 35 kg box sits on an incline plane in Figure 2. The coefficient of kinetic friction between box...

A: Mass (m) = 35 kg  Angle (θ) = 30°  Coefficient of Kinetic friction (μ) = 0.40  

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

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Q: 7) A projectile is launched from a platform with height of 10 m above the ground. The initial veloci...

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Q: apply displacement quantities in r

A: Displacement:-  We know that the displacement is the shortest distance between the initial position ...

Q: To uncharge a positvely charge particle by remove some protons on it. remove some electrons on it. p...

A: charge on a given particle = positive Aim : To uncharge the particle