What is the power dissipated in R? O 1 watt 4.3 watts O 3 watts

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: projectile toward a tall building

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Q: A rod of length L= 15 cm. When the current is l= 6.8 A, the distance between the balanced rods is r=...

A: Given, length of the rod, L = 15 cm current in the wire, I = 6.8 A distance between the rod, r = 5 m...

Q: You throw a ball upward. After half of the time to the highest point, the ball has covered? Hint: It...

A: Here the correct answer is (b). i.e  b) More than half the distance.

Q: 6. Two vector quantities, whose directions can be altered at will, can have a resultant of any magni...

A: Given that the resultant of two vector quantities lies between 0 and 200. The resultant vector of tw...

Q: The parallel plates in a capacitor have an area of 2000 cm2 (2.00 x 10-1 m2 ) and area 1.00 cm (1.00...

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

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: Two brothers are goofing around on the surface of a frozen lake where μ = 0.050. The older brother w...

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Q: A. Derive the expression for the instantaneous velocity. B. What is the instantaneous velocity of th...

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Q: 200 H,0 n, = 1.3 glass 1om n2 = 1.5 H,0 find angle1 To show incoming & outgoing rays are Darallel, f...

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Q: With resprect to the presence of charged particles, how does a body become negatively charged?

A: To explain : how does a body become negatively charged, with respect to the presence of charged part...

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: electron is placed in a uniform electric field of 26 nN/C directed north created by two horizontal p...

A: Given Electric field E =26 nN/C = 26 ×10-9  N/C Distance S = 137 fm = 137 × 10-15 m 

Q: +ŷ d d.

A: the electric field due to positive charge is away from charge  means  when the charge +q is placed i...

Q: Mary's gravitational potential energy is 1870 J when she sits 2.20 m above the ground in a sky divin...

A: In this question, we have to find the Mary weight. Please give a positive rating if the answer helps...

Q: What force would be needed to produce an acceleration of 4 m/s in a ball of mass 6 Kg

A: Given data :              Mass   =  m            Acceleration  =  a                  To find  :     ...

Q: If the cross-section area of a large piston of a hydraulic lift is 30 times the cross-section area o...

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Q: When a net external force is applied which of the following could be true Group of answer choices Ob...

A: Let m be the mass of the object.  Given , the object experiences a net external force F(net) 

Q: REMARKS Notice the symmetry: The kinematic equations for the x- and y-directions are handled in exac...

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Q: Why are circuits in homes connected in parallel?

A: In parallel circuits, the voltage on each electrical component remains the same. So, the loads opera...

Q: 5) The batteries in an electric provide 82 kW.h of en- before recharging. a) Calculate the energy st...

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Q: 5. A stone weighing 200 Ibs. is suspended from a rope. The stone is pulled aside comes to rest when ...

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Q: DA What is the voltage in mV across an 6.5 nm thick membrane if the electric field strength across i...

A: if the uniform electric field E exists in  the region then then the potential difference b/w any two...

Q: Block A is accelerating upward at a constant rate of 2 m/s2 and moving downward at 5 m/s at the in...

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Q: A hydraulic punch press is used to punch a slot in a 0.35-in.-thick plate, as illustrated in the fig...

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Q: 1- Calculate the speed of light in glass with a refractive index of 1.66, knowing that the speed of ...

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Q: A 475 gram box is given a push and it then slides up and back down a ramp with a 35.0° incline. The ...

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Q: What is the required vertical upward acceleration  so that the pressure at any point in a liquid wil...

A: the pressure at a point which is at depth h from the free surface is given by P=ngh where  n is dens...

Q: At a particular instant, a hot air balloon is 100 m in the air and descending at a constant speed of...

A: Height of hot air balloon h=100 m and velocity with which it is descending V=2 m/s. Initial velocity...

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

A: Given data :              Speed of sound  = S             Time  =  t                    To find  :  ...

Q: The radial probability density of a hydrogen wavefunction in the 1s state is given by P (r) = |4rr² ...

A: Step 1 We have the wave function given by R(r)=π−1/2ao−3/2e−r/ao and radial probability density P(r...

Q: Find the maximum velocity of the weight and the amount of time it takes for the weight to move from ...

A: The maximum velocity is 43.9823 m/s and the amount of time it takes for the weight to move from its ...

Q: An underground tunnel has two openings, with one opening a few meters higher than the other. If air ...

A: A pressure drop would occur in the direction of the higher opening. This will push air to enter thro...

Q: Based on the energy band gap working principle, (i) Plot the output of a semiconductor temperature ...

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Q: A person who happened to be walking barefoot on wet ground near an electrical transmission tower dur...

A: In this question we have to find the resistance, potential difference, power dissipated and current....

Q: cincuit has a nesitance of 25 2 ond Cunenst of 19 A, what is the vobage If a

A: Given Resistance of the circuit is R=25 Ω Current in the resistor is i=19 A   Formula From Ohm's law...

Q: An infinite sheet of charge with p=10 nC/m² exists at the plane y=2.0 m. An infinite linear charge w...

A: In this question we have to find the total electric field due to both distributions at the given poi...

Q: A hockey puck moving at 0.460 m/s collides with another puck that was at rest. The pucks have equal ...

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Q: Part A A solenoid of radius 1.0 m with 790 turns and a length of 4.8 m surrounds a pigeon cage. What...

A: Given data: The radius of the solenoid, r=1.0 m. The number of turns of the solenoid, N=790. The le...

Q: If the padding brings her to a stop in a time of 0.490 s, what is the average force on her body due ...

A: Given data   The mass, m = 60 kg The height, h = 7.80 m  The time, t = 0.490 sec   Using kinematic e...

Q: What is the density of a block (in kg/m^3) of wood that floats in water with 5% of its volume above ...

A: Let volume of block = V volume of block above water = 5% of V = 0.05 V volume of block immersed  V'=...

Q: Uranium has a half-life of 4.47 billion years! How long does it take for a sample of 100 grams to de...

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Q: 1. Three source charges are placed as shown by the figure below. Q1 is located at (0,4m) and has a c...

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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 #: 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: James (mass 81.0 kg) and Ramon (mass 57.0 kg) are 20.0 m apart on a frozen pond. Midway between them...

A: The given data   Mass of James, MJ = 81 kg Mass of Ramon,  MR = 57 kg Velocity of Ramon VR = 1.10 m/...

Q: 1. Compute the clectric force between two charges of 5 x 10 C and -3x 10 C which are separated by d=...

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Q: ye. A driver decreases the speed of a car from 25 m/s to 10 m/s in 5 seconds. Find the acceleration ...

A: Given data :           Initial velocity  =  u          Final velocity  =  v            Time     =  t...