If you halve the diameter of a hose what happens to the velocity of the water flowing through it? What happens to pressure?

Q: - If a thunder is heard by a man 4 seconds after the lightning is seen, how far is the lightning fro...

A: We know that light travels at speed of light( which is very large). Thus, Lightning seen as early as...

Q: How long (T in seconds) does a force of F=200N need to be applied to a mass of M=10kg, to accelerate...

A: In this question, we have to find the required time of the body to go from rest to motion of velocit...

Q: The four resistors in the figure have an equivalent resistance of 16Ω. The resistances are as follow...

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Q: 3. How many different categories are available for the methods of preparing optical glasses a) 1 b) ...

A: Option b) 2

Q: + Set 2. Complete the table of the missing information X- component Y- component Magnitude Direction...

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Q: -21 metric platinum bars in the center of the scales, precisely calibrated at 270°C. Find the distan...

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Q: Explain KCL and KVL with suitable circuit diagrams. Apply Kirchhoff's law and find the branch curren...

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Q: A bullet is fired into the air with an initial velocity of 1,500 feet per second at an angle for 45°...

A: Express the constant horizontal velocity, ux, of the bullet. ux=ucosθ Here, u is the initial velocit...

Q: Why is moderators, enrichment, and critical mass important for a fission chain reaction?

A: Fission chain reaction : Fission chain reaction in which nuclear fission happens multiple time over ...

Q: 2 (a) A straight conducting wire is placed perpendicularly to the earth magnetic field at a location...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: A small charge 35nC is found in a uniform electric field 72kN/C. Determine the force on the charge.

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Q: How many calories does an electric heater of 10 watts generate per  second

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Q: QUESTION 7 side of a train which is accelerating forward, a ball of weight W is hanging by a light w...

A: GivenWeightof ball =Wat an angle ,θ

Q: In the bed of the truck is a 15 kg crate for which μs = 0.20 and μk = 0.15. (a) What is the maximum ...

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Q: Q3-A 0b,at moue in velaety (2om/s) and Chaege to Som) throggh the time in ter al (s), and theolitanc...

A: Answer:-  Given  Initial Velocity (u) = 20 m/s  Final Velocity (V) = 50 m/s  Distance (S) = 140 m  T...

Q: ecelerating fluid will tilt under uniform rigid body acceleration. True D False

A: True

Q: 2. Three charges, lie along the x-axis as shown: q1=4µC at r1=1.5m, q2=-3µC at r2=2.5m. Determine th...

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Q: EXERCISE HINTS: GETTING STARTED I M STUCKI Suppose a charge of -1.90 uC is at the origin and a charg...

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Q: The two bars shown in the figure are used to support a load P. When unloaded, joint B has coordinate...

A: Coordinates of B (0,0) Coordinate of C will be (4,6) Coordinate of A will be (-7,6) We have to find ...

Q: What is viscosity? What is the cause of it in liquids and in gases? Do liquids or gases have higher ...

A: In this question we have to explain the concept of viscosity. Please give positive feedback if the a...

Q: What is the current (in A) when a typical static charge of 0.340 µC moves from your finger to a meta...

A:   according to relation current ,  charge , time is given by current = charge/time  where current is...

Q: What is the inductance of a coil whose resistance is 101 Ω if it draws 0.53 A from a 111-V, 58-Hz po...

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Q: fire hose has a diameter of 8 cm and the velocity of the water flowing through it is 10 m/s. The hos...

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Q: Please write your solution of the paper. A small metal bar, whose initial temperature was 20° C, is...

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Q: 1.13 Apply the grid method to calculate the cost in U.S. dollars to operate a pump for one year. The...

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Q: A horizontal pipe widens from a radius of 0.130 m to 0.200 m. If the speed of the water is 2.00 m/s ...

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Q: Question #: 13 A very light ping-pong ball moving east at a speed of 4 m/s collides with a very heav...

A: (A) Neither;  both experienced the same magnitude impulse.

Q: QUESTION 14 A 20-ton truck collides with a 1500-1b car. Which of the following statements must be tr...

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Q: How high would the level be in a barometer at normal atmospheric pressure if honey (D = 1400 kg/m3) ...

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Q: 20 g insulated aluminum package contains 150 g of water at 20 °C. A 30g piece of metal is heated to ...

A: Consider the given data as below. Aluminum mass, ma=20 g Water mass, mw=150 g Mass of metal, mm=30 g...

Q: The ball has a mass of 1 kg and is confined to move along the smooth vertical slot due to the rotati...

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Q: Water initially moving through a small horizontal cylindrical pipe enters a new section of pipe with...

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Q: an inductor carrying a 1.45 A current stores an energy of 0.250 mJ, what is its inductance? ______mH...

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Q: A car is stopped at a traffic light. It then travels along a straight road so that its distance from...

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Q: If a solid insulating sphere of radius 50 cm carries a total charge of 150 µC uniformly distributed ...

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Q: What is the field of view when a CCD detector of dimensions 15 mm x 15 mm is used with a telescope t...

A: Given,  f/10 = 1 m f = 10*1 = 10 m = 393.7 in Dimension of CCD detector = 15 mm   

Q: 34. A ball is thrown straight up and falls back down and is caught. Make a careful graph of velocity...

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Q: -) Now the two capacitors, C = 5.00 µF and C2 = 12.0 µF, are connected in series to a 9.00V battery....

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Q: A point charge (Q1) has a magnitude of -7 uC. A second charge (Q2) has a magnitude of -5.5 uC and is...

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Q: You launch a projectile with an initial speed of 36.4 m/s from the top of a building 34.4 m above th...

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Q: Part A A loudspeaker at the origin emits a 100 Hz tone on a day when the speed of sound is 340 m/s. ...

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Q: Question-12 An X-ray diffractometer recorder chart for an element that has a cubic crystal structure...

A:  Given angle 2theta = 40.663, 47.762, 69.144, 83.448  We used here Bragg's law We have to determine ...

Q: Mary, whose mass is 55.0 kg, starts from rest at the top of a water slide that is a height of 4.00 m...

A: Given,mass of the mary, m = 55.0 kgheight of the water level, h = 4.00 mwork done by friction, Wf = ...

Q: 10.Which of the following circuit has a total resistance of 10 N if the total current in the circuit...

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Q: Two point charges are fixed on the x-axis. Imagine moving a positive charge from point P to the orig...

A: In this question we have to find the path which performs the most work. Please give positive feedbac...

Q: projectile toward a tall building

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Q: A refracting telescope has an objective lens with a focal length of 2 metres and an eyepiece whose f...

A: Given, Focal length of objective lens , Fo = 2 m Focal length of  eyepiece , Fe = 25 mm = 25×10-3 m ...

Q: What is the inductance of a coil whose resistance is 101 Ω if it draws 0.53 A from a 111-V, 58-Hz po...

A:

Q: of flight, the projectile lands on the ground. At what angle above the horizontal was the projectile...

A: Correct answer (c) 30.7 degrees  

Q: Consider the pulley system below. Assume M1 = 10kg, and M2 = 40kg. Assume the pulley has no mass and...

A: The magnitude of acceleration of the system is given by  asys=Total External ForceTotal Massasys=(40...