1- What time is it when the hour angle is 30°.

Q: It took an object 30 seconds to move from point A to B, then to C. If point B is 10 m, east of point...

A: Δt = 30 seconds. Average velocity = ?

Q: In a projectile motion, is the range of a projectile directly proportional to its initial velocity a...

A: From the expression of range  R =( Vi cosθ) t Where Vi cosθ is the x component of initial velocity.

Q: Determine the direction of the force that will act on the charge in each of the following situations...

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Q: 91% of an iceberg is submerged in a mysterious fluid. If the density of the iceberg is 930 kg/m^3, w...

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Q: NOTES ARE POSTED 4. If light has a speed of 112,000mps in a transparent material, what is the index...

A: 4. Given:speed of light in materialv=112000 mps(miles per sec)v=112000 *1609 meter per secv=1.802*10...

Q: Directions: Rank the parallel plate capacitors below from lowest capacitance to highest. Write your ...

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Q: A tank of volume 0-2 m contains helium gas at a temperature of 300 K and pressure 1 x 10 N/ im?. Fin...

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Q: Hi there, I really need some help! I cannot figure out what I am doing wrong. A toy top with a spoo...

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Q: The current density of a silver wire is 3.20x106 A/m2 . If the current and the drift velocity of the...

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Q: Given a parallel circuit with three resistors and a total voltage of 15, R1 = 10 2, R2 = 20 Q, and R...

A: R1 = 10 ohm. R2 = 20 ohm. R3 = 30 ohm. Potential difference V = 15 v. Connection is parallel.   Equi...

Q: During a certain time interval, the angular position of a swinging door is described by 8 = 4.99 + 9...

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Q: Determine the components, magniture and direction of the following vectors: 1.) vector with initial...

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Q: When designing a highway curve it is required that cars traveling at a constant speed of 33 m/s must...

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Q: 5) The diagram below shows a wave with various measurements taken along the wave. 50m 5m 20m 100m a)...

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Q: Explain why fasteners, such as bolt-and-nut, used in machines operating at high temperature must be ...

A: Explain why fasteners, such as bolt-and-nut, used in machines operating at high temperature must be ...

Q: When a glass rod is rubbed with a silk cloth, the rod acquires a charge of magnitude 4.25nC.  (a) D...

A: Given that:- Magnitude of charge acquire by rod=4.25nC

Q: Show the solution of this. Three point charges are located along the x-axis. Point charge a = 4.8 μC...

A: using coulomb's law in electrostatics we can calculate electric force between two point charges q1 a...

Q: A current of 5 A passes through a copper conductor (resistivity = 1.7 x 108 om) of radius of cross-s...

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Q: According to the equation a(t) = pt3 + qt4 , the acceleration of a particle varies with time. The ve...

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Q: A current of 5 A passes through a copper conductor (resistivity = 1.7 x 108 Om) of %3D radius of cro...

A: Given Current I = 5 A Resistivity= 1.7 × 10-8 ohm meter Radius r = 5 mm = 5 × 10-3 m DDrift velocity...

Q: A particle moves in a straight line so that its position x(t) meters at time t seconds, relative to ...

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Q: Three point charges are located along the x-axis. Point charge a = 4.8 μC is at x= 0. Point charge b...

A: point charge a = 4.8 μC at x = 0point charge b = 5.7 μC at x = 2 mpoint charge c = 9.3 μC at x = 3 m...

Q: A point charge Q = 0.5 nC is at the origin. Determine the potential at r = 5m if the potential at r ...

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Q: A 6-kg plastic tank that has a volume of 0.18 m3 is filled with liquid water. Assuming the density o...

A: Given data:  Mass of plastic tank (m1) = 6 kg Volume (V) = 0.18 m3 Density of water (ρ) = 1000 kg/m3...

Q: magnetic lielu gentia 2. Two circular coils are concentric and lie on the same plane. The inner coil...

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Q: Two blocks are connected by a string as in the figure and the system is released from rest. The coef...

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Q: A stone is thrown horizontally from the top of an incline that makes an angle e with the horizontal....

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Q: If a = (4, 5, 6) and  b = (1, 2, 3), and c = a - 2b, what is the magnitude of c?

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Q: 1. A ball is thrown from a height of 2 meters at an angle of 30° with an initial velocity of 30m/s t...

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Q: Which of the following connections will give you the lowest resistance through the material: AB, CD,...

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Q: The force required to maintain an object at a constant velocity in free space is equal to The weight...

A: Correct answer :                              The correct answer is option (4) Zero                 ...

Q: On an amusement park ride, passengers are seated in a horizontal circle of radius 7.5 m. The seats b...

A: Given data:  Radius (r) = 7.5 m Initial angular velocity (ωi) = 0 rad/s Final angular velocity (ωf) ...

Q: Projectile Question 1 1. A batted baseball leaves the bat at an angle of 30 o above the horizontal,...

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Q: Part A A car battery stores about 4.1 MJ of energy. If all this energy were used to create a uniform...

A: Given data: The energy stored in the battery is U=4.1 MJ. The electric field to be produced is E=32...

Q: Two oxygen molecules in air are moving toward a head-on collision against each other. Before collisi...

A: Let the mass of the molecules A and B be m, velocity of A before collision u1=200 m/s (Towards right...

Q: Multiple Choice! For a charge to experience a magnetic force in a magnetic field, it must be? A. m...

A: For a charge to experience a magnetic force in a magnetic field ,we have to find whether it is movin...

Q: 2. A fanthom is a unit of length equal to 6 ft and used to measure the depth of water. If a river is...

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Q: You throw a 19.6-N rock vertically into the air from ground level. You observe that when it is 10.0m...

A: Given value --- height = 10 m. final speed = 20 m/s. We have to find--- initial speed?

Q: 18 15쁘 559.70 20m

A: Motion of projectile can be divided into x component and y component. 

Q: putting backspin on a ball... Select one: O a. creates low pressure on top of the ball and causes th...

A: Putting backspin on a ball leads to which kind of phenomenon.    

Q: hiker walks 53.1 degrees north of east for 2.5k m then due east for .Okm. What is her total displace...

A: Displacement is the shortest length of path between initial and final position. It is a vector quant...

Q: A parallel plate air capacitor has a capacitance of 5.0 F. What is its capacitance it the area of t...

A: Given in question: Capacitance of parallel plate capacitor (C1) = 5.0F                              ...

Q: What is the electric field between two poralei metal plates separated by 2.3 cm with a potential dif...

A: potential difference = V = 3000 V distance = d = 2.3 cm = 0.023 m Electric field = E = ?

Q: Water at 20°C from a garden hose fills a 2.0 L container in 2.85s. Using unity conversion ratios and...

A: Given data:  Volume (V) = 2.0 L Time (t) = 2.85 s Required: Volume flow rate in Lpm and mass flow ra...

Q: A centrifuge in a biology laboratory rotates at an angular speed of 3,500 rev/min. When switched off...

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Q: Calculate the force between charges of 88 x 10-6 C and 90 x 10-6 C if they are separated by 77 cm ap...

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Q: A4Sg suitcase on a plaform was pulled by a lady She applied 50Nat an angle 20 degrees above horisont...

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Q: Part A Consider the system shown in the figure (Eigure 1). Block A weighs 42.9 N and block B weighs ...

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Q: When a body possessed a total KE of 69J, and is moving at a speed of 66m/s, find the weight of the b...

A: Kinetic energy is the motion energy, An object that has motion - whether it is perpendicular or para...

Q: An object is launched at a velocity of 35 m/s in a direction making an angle of 37 degrees upward wi...

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