Suppose we have a kangaroo with charge q and velocity v = v(Îî + ĵ). The kangaroo is immersed in an electri Eĵ and magnetic field B = Bĵ. What is the force experienced by the kangaroo (assume that the kangaroo is a point particle)? Field E= ○ A. q(Ej + vBk) ○ B. q(Ej – vBk) OC. qEj ○ D. q[Eĵ+vB( +vB(îĵ +ĵ³)]
Q: A capacitance of 0.4 µF is connected to an alternating e.m.f. of 100 c.p.s. What is the capacitive…
A: We need to compute-Capacitive reactance XC=?The data given as-C=0.4 μFC=0.4×10-6 FFrequency (f)=100…
Q: hat's the answer to the question? I didn't see it
A: Thousands of stars, dust particles, and gas fill the Milky Way. Observing it from the top or bottom…
Q: A radio transmitting station operating at a frequency of 120 MHz has two identical antennas that…
A: Given: The frequency: f=120 MHz=120×106 Hz The distance between the antennas is 9 m. The distance of…
Q: A capacitor of 20 up is changed up to 500 wolle is connected in parallel with another capricita of…
A: We need to compute-Common potential (V)=?The data given as-C1=20 μF=20×10-6 FV1=500 VC2=10…
Q: A conducting rectangular loop of mass M, resistance R, and dimensions a x b is allowed to fall from…
A: Concept: The loop's net force is zero when it reaches its terminal velocity (net acceleration is…
Q: A circular disc of muss lokg + sadeus 0.2m is set into rotation about an axis passing through its…
A: We need to compute-Angular velocity of disc (ω)=?The data given as-Mass of disc (M)=10 kgRadius…
Q: A 4000 lb automobile is traveling at 68 mph along a highway. The pavement is dry and level. The…
A: Given data: V0=68 mph = 68×52803600 Here,1 mile=5280 ftV0=100 ft/s Kinetic friction coefficient…
Q: PART 1: A block of an unknown metal is heated to 100°C. It is then placed in a cup of cool water. As…
A:
Q: A. Discuss the significant modification of Debye's theory from Einstein's theory and Dulong &…
A:
Q: When three identical capacitor are connected in series, their equivalent capacitance is 2 pF. Now…
A: Finding-Total energy stored (U)=?Provided-Equivalent capacitance of three identical capacitor (CS)=2…
Q: A spider hangs from a strand of silk whose radius is 4.0 x 10-6 m. The density of the silk is 1300…
A: Given: The radius of the thread: r=4.0×10-6 m The density of the silk: d=1300 kg/m3 The speed of…
Q: EXAMPLE PROBLEM. A communications satellite is in a circular orbit of radius 2 DU. Find the minimum…
A: We are given the initial radius of orbit. We are given final orbit of radius. We find the change in…
Q: In an integrated circuit, the current density in a 2.2-um-thick x 79-um-wide gold film is 7.1×105…
A: Current density is the amount of electric current traveling per unit cross-section. It is a vector…
Q: When EMT is installed in wet locations, all supports, bolts, straps, and screws shall be _____. a.…
A: "Since you have asked multiple questions, as per Bartleby's guideline we will answer only the first…
Q: why is there negative sign in front of delta K
A: We are given an object. This object is worked upon by conservative forces. The speed of object is…
Q: A photographic survey is carried out to a scale of 1: 20000. A camera with a wide angle lens of f =…
A:
Q: 3. The armature of a 120 volts DC motor has resistance of 1.5 ohm and takes 4 ampere when operating…
A: Given data : applied voltage in armature V = 120 V Armature resistance R = 1.5 ohms Current in…
Q: An electric field of 9.00×105 V/m is desired between two parallel plates, each of area 45.0 cm^2 and…
A: Given: In this question, the given details are, An electric field of E=9.00×105V/m is desired…
Q: ion, if the effective
A: Given: Mass of crate is 180 Kg Distance is 10.1 m Friction coefficient is 0.5
Q: The lineac density of wire of length 0.5m es 2x10 ³ kylm 24 tension in wire in 20N, calculate its…
A: We need to compute-1 Fundamental frequency n=?2 Frequency of first overtone=?The data given…
Q: The sphere of diameter 0.02 m falls in a fluid of kinematic viscosity of 10 stokes with the terminal…
A: Given data: Sphere diameter, d=0.02 m Kinetic viscosity, ν=10 stokesstokes Terminal velocity,…
Q: A metal tank with volume 3.10 L will burst if the absolute pressure of the gas it contains exceeds…
A: We are aware that the metal tank has a 3.10 L capacity, a 100 atm absolute gas pressure, 11 mol of…
Q: 5k 0000 m 2k 0000 m 2k 0004
A:
Q: A T. G. has 50 tuns each of radius factor if 6.28 cm. cm. What is its reduction BH = 3.6 × 10-5…
A: We need to compute-Reduction factor (K)=?The data given as-Number of turns (n)=50BH=3.6×10-5…
Q: The entropy of a reversible process is Tds = du + pdv Obtain an expression for the change of entropy…
A:
Q: When disc B is brought in contact with disc A, they acquire a common angular velocity in time t. The…
A: We are aware that when discs B and A collide, they achieve a similar angular velocity at time t.
Q: Use the information about vectors S and T provided below in the following exercises. T.x=0m |T|= 10m…
A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…
Q: Which of the following statements about batteries is/are FALSE? Select all that applies. Lithium-ion…
A: We know that voltage is nothing but potential difference. Or more clearly saying it is electric…
Q: At any point on the surface of an imaginary sphere of radius r = 3 mm, the electric field value is E…
A: Given data according to the question, r= 3mm E= 10 N/C k=9×109 N.m2/C2
Q: When disc B is brought in contact with disc A, they acquire a common angular velocity in time t. The…
A: We are given 2 discs. We are given that they are made in contact with each other. They acquire…
Q: A plane wave is incident from a denser medium with n-3.6 to a rarer medium with n2-2.2 a an angle of…
A: When light moves from one medium to another it gets transmitted or reflected or sometimes both.…
Q: CALC You make tea with 0.250 kg of 85.0°C water and let it cool to room temperature (20.0°C). (a)…
A: We must figure out how the entropy of cooling water changes.We are aware that water has a mass of…
Q: rce exerted
A: Given: Mass of baseball is 145 g Travel speed is 33 m/s Movement distance of fielder's glove in…
Q: L. An astronaut travels to a distant star with a speed of 0.46c relative to Earth. From the…
A: Given: The speed of astronaut relative to Earth is 0.46 c. The distance of the star from…
Q: A particle of mass m slides down an inclined plane under the influence of gravity. If the motion is…
A:
Q: Write a nuclear equation for the decay of the following nuclei as they give off a beta par 241 94 64…
A: For the first decay the reaction becomes, 1. Pu94241→e-10+Am95241 Here Am95241 is isotope of…
Q: Constants The capacitor in an RC circuit with a time constant of 19 ms is charged to 10 V. The…
A: Given, Time constant, τ=19msτ=19×10-3s Voltage, V=10V Let the charge at time t be Qt. A. The…
Q: 2. When a 0.10 kg ball is launched with an initial velocity Vi,ball+cup into a stationary cup with…
A: We are given mass of ball. We are also given mass of cup. Both cup and ball forms a system. We are…
Q: What is the advantage of placing the two insulated electric wires carrying ac close together or even…
A: 2 wires are insulated from each other. They are carrying ac that is alternate current. We know that…
Q: When 100 volt D.C is applied across a coil, a current of one ampere flows through it, when 100V ac…
A:
Q: A potentiometer wire of length 4 m has a resistance of 8 . It is connected in series with a battery…
A:
Q: I need the correct answer ,If you are 100% sure then attempt In aerial photograph, if the…
A: We are given the focal length. We are also given the tilt angle. The distance between perspective…
Q: If you double the temperature of your oven, the amount of electromagnetic energy inside increases by…
A:
Q: a) Referring to (Figure 1), which color, violet or red, travels more rapidly through water? b)…
A: We know that when white light passes through prism, it splits into 7 colors. Each color suffers…
Q: Which equation correctly describes the position, x, of the mass as the function of time, t? [let the…
A: Given,At t=9.3 seconds the mass is at positive maximum displacementxmax = +1.64 m
Q: The mass of the earth is 5.97 x 1024 kg; the universal gravitational constant has a value of 6.67 x…
A: Given: The mass of Earth is 5.97×1024 kg. The universal constant is 6.67×10-11 m3/kg.s2.…
Q: : A current 10 A in the primary of a transformer is reduced to zero at the uniform rate in 0.1…
A:
Q: What is the electric potential energy of a system that consists of two protons 3.0x10-15m apart as…
A: Given: In this question, the given details are, The system consists of two protons d=3.0×10-15m…
Q: An astronaut at rest on Earth has a heartbeat rate of 84 beats/min. When the astronaut is traveling…
A: For an observer in the ship there is no relative motion therefore the heatbeat measured will be the…
Q: 1. Two boxes of different mass are at rest. If both boxes are acted upon by equal force, which of…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
![field E
=
Suppose we have a kangaroo with charge q and velocity v = v(Î + 1). The kangaroo is immersed in an electric
Ej and magnetic field B = Bĵ. What is the force experienced by the kangaroo (assume that the kangaroo is a point particle)?
○ A.
B.
O C. qEj
○ D. q[Eĵ +vB(îĵ +ĵ³)]
q(Eĵ + vBk)
q(Ej – vBk)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3e6a3dfe-5a40-4078-aceb-8649e945adfc%2Fae7b6538-601a-4ef5-8725-21afb3ee1f41%2F28dauxp_processed.png&w=3840&q=75)
Step by step
Solved in 2 steps
