A ball is launched from ground level with an initial upwards velocity of 20 m/s and an initial horizontal velocity of 30 m/s. How far from its starting position does the ball land assuming the ground is level? A 120 m B) 150 m c) 30 m D 180 m E) 60 m

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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   

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Q: This convenience store and filling station supplies 22,680 gallons of gasoline per day to central Pe...

A: amount of gasoline provided by the convenience store and filling station in 1 day = 22680 gallons en...

Q: The figure below shows two blocks connected by a cord (of negligible mass) that passes over a fricti...

A: Given data:  The Atwood's machine  Mass of first Block (m1) = 1.15 kg Mass of second block (m2) = 2....

Q: Part A Determine the equivalent resistance of the circuit shown in the figure. (Figure 1) Express yo...

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Q: Given data : Resistance3D3 Ohm Current =2 A Determine Voltage

A: Given data : Resistance=R Current=i   To find : Voltage

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A: Given data:  A projectile motion  Angle (θ) = 45° Air resistance is negligible Required: At maximum ...

Q: Part A The circuit shown below in (Figure 1) consists of four different resistors and a battery. You...

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Q: 11 Acar tarting from rest is waveling with a conant aceleraton of 30 misk. Find s velocity aher5 aco...

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A: It is given that x=2t2+t+1       ...(1)Velocity is v=dxdt=4t+1    ...(2)Acceleration isa=dvdt=4     ...

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

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Q: D (10.0 m) 30° 53° 25°. C (12.0 m) A (8.00 m) Figure A1-1. Displacements on a Cartesian plane 3. Fin...

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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

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A: Given data The mathematical expression for the power dissipated is given as P = VabI. The resistan...

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Q: What do you call the ability of some superconductors to exhibit perfect diamagnetism in the supercon...

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Q: 2. The area of the upper face of a rectangular block is 0.5m x 0.5 m and the lower face is fixed. Th...

A: Given: The area of the upper surface is A=0.5 m×0.5 m=0.25 m2 The height of the block is h=1 cm=1×10...

Q: Consider two charges q = 25 e and q2 = 45 e at positions (32, –11, 38) and (, , 30) respectively whe...

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Q: Part A: A typical bolt of lightning carries billions of joules (1 GJ = 109 J) of energy, but dischar...

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Q: Why is it vital to proceed through lenses in order while switching lenses in a microscope?

A: Lenses in microscopic gather light from the specimen magnifies the image of the specimen, and projec...

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Q: While at the airport, you lift your suitcase straight upward with a force of 100 N, and it accelerat...

A: Force (F) = 100 N acceleration (a) = 0.550 m/s2 gravitational acceleration (g) = 9.8 m/s2  

Q: Calculate the magnitude and direction of the electric field (a) 0.40 m from a charge of +1.0  10 -3...

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Q: A human body has a temperature of 300 If its total surface area is 1.2 m2, what is the net rate of h...

A: Given, Temperature of the body, Tb = 30 °Ctotal surface area of body, A = 1.2 m2surrounding temperat...

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A: Here initial horizontal velocity of proton,u=1.276×10-5m/s And initial vertical velocity ,u'= 0m/s ...

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A: Let the time taken by the first ball be t. So, the time taken by the second ball is t-2. Apply the s...

Q: Given data : Voltage=12 Volt Reistance=2 ohm Determine current

A: Given data : Resistance=R Voltage=V   To find : Current

Q: Consider a sports car moving on a straight track according to the equation x = 2t2 +t+ 1, where x is...

A: The position of a sprots car with respect to time is given by : x(t) = 2t2 + t + 1 

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A: Given value---  position x = 2 - 3.6 t + 1.1 t2 . We have to find--- instantaneous velocity at t ...

Q: wo charges, q1 = −19.5 nCand q2 = 28.5 nC, are separated by a distance d = 3.00 cm as shown in the f...

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Q: Problem 4: A firecracker is thrown into the air. At the peak of its path (where its velocity is zero...

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts fo...

Q: Bong Go toss a coin and the coin reaches its maximum height at 1.5s. From this point, how long would...

A: time taken by the coin to reach the maximum height (t)  = 1.5 seconds   

Q: Two small, identical conducting spheres repel each other with a force of 0.050 N when they are 0.25 ...

A: Let the original charges on each sphere was q1 & q2 respectively. According to Coulomb's law the...

Q: Three charges line vertically respectively 42C, -51C, -27C. ?1and ?2 is separated by 31um while ?2 a...

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

A: 1.Ans: In 1881 International Electrical Congress in Paris  established a system of electrical  units...

Q: A 205-m-wide river flows due east at a uniform speed of 1.4 m/s. A boat with a speed of 7.7 m/s rela...

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Q: Find the electric power dissipation in Earth’s atmosphere. Use the known quantities for the total re...

A: Power is given by,              P = V2R Given,       R = 200Ω       V = 300 kV = 300×103 V  

Q: Suppose that the kinetic coefficient of friction between stone and grass is 0.7. A girl is sliding a...

A: Given,            μk = 0.7        Force = 72 N         mass = 8 kg      

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Q: How much rotational kinetic energy in joules is there in a disk  of radius 0.2 meters and mass 76 kg...

A: Given,    r = 0.2 m   m = 76 kg  turns = 1000/s          = 1000×3600×π180 = 6285.713 rad/s  

Q: Q3: Explane in which case Fahas a maximum Value & minimum Value in Pulling the car shown in Fig

A: Since the force is acting at angle to the car , the horizontal components of force will lead to pull...

Q: A point is located in a polar coordinate system by the coordinates r = 5.4 m and ? = 16°. Find the x...

A: Given that:- In polar coordinates, Point P(r,theta) where r=5.4m and theta=16°

Projectile Motion