not sure how you got 30m/sec please help

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Q: The electric field intensity 2m from the surface of a charged sphere is 30.86 x103 N/C. The charge…

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Q: 5. What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and…

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Q: B A C A= 5.00 kg B= 8.00 kg Surface between A and B: μs = 0.57 μK = 0.35 Surface between A and table…

A: We know that the friction force can be given as fg = μmgherem = massμ = coeficiant of frictiong =…

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Q: A stone is thrown horizontally from the edge of a cliff with an initial speed vo = 8 m/s. What are…

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Q: 1. ssm The space shuttle travels at a speed of about 7.6 x 10³ m/s. The blink of an astronaut's eye…

A: In the given question, Speed of the speed (v) = 7.6×103 m/s Time spent in blinkling of eye (t) =…

Q: 0.8 A 0.8 mA What is the reading on this device if the range is assigned at 500mA? * 80 mA 100 8 mA…

A: If in a meter the  range is assigned corresponding to lower markings then we have to see reading in…

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A: Application of concave lens in real world are as follow :- Concave lens is used   camera  Laser…

Q: 4. A jogger runs along a circular track of radius R = 100.0 m. She starts at A and jogs…

A: Motion is relative as it differs in different scenario. Attributes like velocity, displacement, etc…

Q: A truck is moving with a speed of 20 km/hr and another identical truck is moving with a speed of 50…

A: Velocity/ speed of the first truck, v1= 20 km/hr Velocity/speed of the second truck, v2=50 km/hr…

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Q: 5V 5 V 5.52 52 resistor tov E Calculate the current in

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Q: The wheel of fortune is 2.6 meters in diameter. A contestant gives the wheel an initial velocity of…

A: In the given question, Diameter of the wheel (D) = 2.6m Initial velocity of the wheel (u) = 2m/s We…

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Q: Find the speed of car Distance=2 km Time=1 hr

A: Given distance d=2km = 2000 m time t=1hr = 1*60*60= 3600 s  we know Speed of an object V=distance…

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Q: A vector A has a magnitude of 7 units and points in the -y-direction, while a vector B has double…

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Q: α· 12.0 Ω Μ 6.00 Ω Μ 5.00 Ω 4.00 Ω Μ Μ 8.00 Ω (a) Find the equivalent resistance between point a and…

A: In the given question, A circuit is given where resistors are connected in series and parallel…

Q: mine the amount of 84Po 210 (polonium) o provide a source of a-particles of 5 millicurie half life…

A: Here, we calculate  the amount  of 84po210 as given follow;

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Q: Tim and Rick both can run at speed or and walk at speed vw, with vr > vw. They set off together on a…

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Q: A body moves on a coordinate line such that it has a position ? = ?(?) = t^2− 6? + 5 on the interval…

A: Given :s = f(t) = t2 - 6t + 5      in the interval [0,7]

Q: If an object were placed a distance of 15 cm from the convex lens (on the right hand side of the…

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Q: Calculate the attractive force of gravity between a 0.27 kg birthday cake and a 8 kg student who is…

A: GivenMass of birthday cake is m1=0.27(kg)Mass of student is m2=8(kg)Distance between masses are…

Q: The y-coordinate of a particle in curvilinear motion is given by y = 2.4t3 - 10.6t, where y is in…

A: Write the given values with suitable variables. y=2.4t3-10.6tax=5.8tt=2.1 s

Q: A box with mass m=3.0 kg is attached to the lower end of a relaxed vertical spring of force constant…

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Q: vertical feet above and 60 horizontal feet from home plate. Assume the coordinate axes are such that…

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Q: Determine the tension at the cable TAB and TAC in the system below at equilibrium.

A: Given:-  The weight of an object is W = 4.5 kN  The object hanging like as figure given   Find:-…

Q: Two identical space probes, each of mass 2.00 x 104 kg are “parked” in outer space. If they are…

A: Given:-  The mass of each probe is m = 2.0 x 104 kg are “parked” in outer space. If they are…

Q: Calculate the density of plastic from the

A: Given data,  Mass,m= 52 g Initial volume,v1=16 ml Final volume,v2=38 mlCalculate the density ?

Q: A stationary listener hears frequency f1 from a source moving directly toward the listener with a…

A: The Doppler frequency can be written as follow fobs = f0vsound+vobservervsound+vsource

Q: A body of mass M slides a distance d along a horizontal surface. The work done by the gravity is

A: Mass of body (M) = M distance (d) = d move to horizontal

Q: The car is traveling at a speed of 66 mi/hr as it approaches point A. Beginning at A, the car…

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Q: density of the material of a coin.

A: Given, Describe an experiment to determine the density of the  material of a coin .

Q: In what resistor will the largest potential difference be measured?

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Q: A particle with a charge of 2μC is moving at 3 x 106m/s perpendicularly through a magnetic field…

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Q: The output voltage of an AC generator is given by Δ v = (170 V) sin (60πt). The generator is…

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Q: What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and…

A: Given Data :Magnetic field is B=0.15TCurrent in wire is I=8AAngle between wire and magnetic field is…

Q: Which of each pair is smaller?:   A. 3.1×10-3  or 7.1×10-9   B. 1950 or 4.1×102 C. 0.0000009 or…

A: From all the pairs   Each Pair given in option (A)is smaller   Hence ,  Option (A) is correct .

Q: A B C. Do L I p E F G TH Which is the best set of velocity vectors (horizontal & vertical) for point…

A: Since , there is no any acceleration in horizontal direction . Therefore  velocity of projectile in…