A boy kicks a ball up a hill, the ball moves in a straight line.  With the equation f(t)=c1t^2+c2t, where c1=-2m/s^2 and c2=15m/s a) calculate the balls velocity and acceleration as a function of time. b) How long does the ball travel before it starts to travel down hill?  c) How long does it take the ball to return to its starting point, and what is the velocity of the ball at this time?

Q: The intensity of a circularly polarized electromagnetic wave is found to be 800Wm2 What is the…

A: intensity of circularly polarized wave = 800 Wm2

Q: A tennis player hits a ball 2.0m above the ground. The ball leaves his racquet with a speed of 15.0…

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Q: Find unit vectors that satisfy the stated conditions. NOTE: Enter the exact answers in terms of i, j…

A: Given, u→ = -2i^ + 5 j^ v→ = 6 i^ - 4 j^ + 4 k^

Q: An object is sitting on a bathroom scale in an elevator. The scale reading is 510 N when the…

A: Given data:  An object is sitting on a bathroom scale elevator Scale reading = 510 N Acceleration…

Q: If the current running through an inductor is increased by a factor of 3, by how much does the…

A: Given:- The  current running through an inductor is increased by a factor of 3 Find:- how much…

Q: The space between two metallic coaxial cylinders of length L=0.45 m and radii a=1.3 cm and b=2.3 cm…

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Q: 1. A particle moves horizontally according to the laws = ³-t²- 24t + 1. (a) Where is the particle…

A: Given data : Position of the particle, s=13t3-t2-24t+1

Q: The meter on the discharge side of the pump reads in hundreds of gallons. What is the pumping rate…

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Q: A 14 nF parallel-plate capacitor is fully charged to 545 nC by a battery. What is the voltage of the…

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Q: An airplane flies 200 km due west from city A to city B and then 340 km in the direction of 31.0°…

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Q: d) Deduce the laminar fluid flow equation for the reservoir system depicted in Fig. Q2(d). Assume…

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Q: unpolarized light is incident from the left, in which cases will some light get through?

A: In cases 1 and 3, the light is blocked by the adjacent horizontal and vertical polarizers. However,…

Q: *10. mmh A bird watcher meanders through the woods, walking 0.50 km due east, 0.75 km due south, and…

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Q: What is the velocity of a 900-kg car initially moving at 30.0 m/s, just after it hits a 150-kg deer…

A: Given data as per the question Initial velocity =30 m/s  Mass of the car =900 kg Mass of deer =150…

Q: Earth has a mass of 5.98  1024 kg and a diameter of 7930 miles. What is the average density of our…

A: Given data: Mass (m) = 5.98×1024 kg Diameter (d) = 7930 miles Required: The density (ρ) in g/cm3

Q: 134. The current through a bulb is increased by 1%. Assuming that the resistance of the filament…

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Q: A river has a steady speed of 0.650 m/s. A student swims upstream a distance of 1.00 km and swims…

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Q: a) When is the tension in the string greater? b) When is the tangential acceleration greater?

A: The tension in the string will be maximum if the weight at that perticular point is maximum, and…

Q: A vector has an x-component of -23.0 units and a y-component of 28.5 units. Find the magnitude and…

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Q: 28. The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational…

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Q: 2. The path taken by a particle is a horizontal line as it moves according to the law. t + 1.(a) At…

A: Given data:- Path taken by a particle as it moves according to the law s=16t4+56t3-172t2+12t+1 We…

Q: A block with 2 kg of mass has an overall acceleration of 10 m/s2. What is the net force on the…

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Q: Suppose a 0.3 m long solenoid with cross-sectional area of 12 cm 2, N 1 = 1400 turns and N 2 = 20…

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Q: e velocity v of a mass m in fall subject to an air resistance proportional to the instantaneous…

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Q: Each plate in a parallel-plate capacitor has an area of 0.460 m2 and is separated by 3.00 mm. The…

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Q: A solid conductor with radius a is supported by insulating disks on the axis of a conducting tube…

A: Given that, the current flowing through the solid conductor is i1=I1 the current flowing through the…

Q: Using a convenient scale, find the resultant of the following vectors graphically: 16 m at 140° with…

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Q: The vector OP shown in the figure has a length of 6 cm. Two sets of perpendicular axes, x-y and…

A: (OP)x=OP cos60° =3 cm (OP)y=OP sin 60°=OP cos 30° =33cm

Q: kercise 23.28 - Enhanced - with Feedback A total electric charge of 2.50 nC is distributed uniformly…

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Q: A steel music wire (Gage No. 32 with a diameter of 0.090 in.) is employed to support an axial load F…

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Q: LSSS ANSWER WITHIN 10MINS   An electric field of 165 x10-6 V/m is induced within the loop of long…

A: Given: The electric field is 165x10-6 V/m. The cross-section area is 3.27 cm2. The radius of the…

Q: Ex 29/ A mass m is placed inside a spherical surface of radius R. The adhesion coefficient is fl O.…

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Q: A battery with a 0.128 Q internal resistance supplies 14.2 W of total power with a 8.81 V terminal…

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Q: Why would you expect a lens of around 16 D to be prescribed if the lens of an individual's eye is…

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Q: Jupiter's moon Metis has a radius of only 20 km, and a mass of 9 x 1016 kg. Answer the following:…

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Q: 9. A weight-lifter attaches a heavy mass to the middle of a chain. He holds the ends of the chain in…

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Q: A stationary conducting loop is placed in between the north pole and south pole of an artificial…

A: GivenIncreasing rate of magnetic field, dBdt=0.07 T/sRadius of conducting loop, r=5cm=0.05 mR=8Ω

Q: A block of weight w-300 N sits on a frictionless inclined plane, which makes an angle 31.0" with…

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Q: 17. A space probe has two engines. Each generates the same amount of force when fired, and the…

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Q: Consider the circuit shown in the figure below, where C₁-9.00 F, C₂ 6.00 p, and AV- 18.0 V Capacitor…

A: We know , c1 = 9.0 uf , c2 = 6.0 uf and  del v = 18.0 v (a)  q = C1 * V              = 9 * 18…

Q: As a gasoline engine is running, an amount of gasoline containing 13,600 J of chemical potential…

A: Given value --- an amount of gasoline containing 13,600 J of chemical potential energy is burned in…

Q: A machinist wishes to insert a steel rod with a diameter of 8 mm into a hole with a diameter of…

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Q: Suppose there is a single electron a set distance from a positive point charge Q, which quantities…

A: Part 1 Electric field due to charge particle E =kQR2 From the above formula electric field due to Q…

Q: In the illustration below, suppose a moving rod is 0.08 m long, the velocity v is 257 cm/s, the…

A: Given : Length of the rod, l = 0.08 m; velocity,  v = 257 cm/s ; Total Resistance of the loop, R=…

Q: 2. The football season is beginning with mixed results for the Browns. Let's analyze a tackle in…

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Q: Find the vector component of (4, -1,7) along b = (4, 8, -8) and the vector component of v orthogonal…

A: Given Vectors: v→=4,-1,7  and b→=4,8,-8 (a) The Vector Component of v along bis given by:…

Q: A graph of velocity versus time for a football into a goal appears as follows. Draw the position…

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Q: What is meant by Small Nonzero Temperatures ?

A: Small Non-Zero Temperatures:- Normal representations of non-zero temperatures include T = 0. In…

Q: A rocket motor can spit out gas as much as 50 g/s while burning gas is ejected at a speed of 500…

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Q: A commuter airplane starts from an airport and takes the route shown in the figure below. The plane…

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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 –