The battery for a certain cell phone is rated at 3.70 V. According to the manufacturer it can produce 1.65x104 J of electrical energy, enough for 6.00 h of operation, before needing to be recharged.

Q: • The fastest 400.0 m time in Olympic history was completed by Wayde van Niekerk (he's from South…

A: van Niekerk completed one 400 m lap in 43.03 seconds.

Q: What is the magnitude of the electric field at the point (2.60 i -6.20j+ 2.20 k) m if the electric…

A: Position given = 2.6i^  - 6.2j^ +2.2k^ V (Potential) = 1.5xyz2 E = -(gradient of V)

Q: 2. A car of mass 1200 kg initially moving at a speed of 10m/s suddenly changes its speed to 15m/s.…

A: a) The required work done is,

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A: Given data The mass of the baseball is given as m = 0.140 kg. The initial velocity of the ball is u…

Q: A 2.8 µF capacitor and a 5.8 µF capacitor are connected in parallel across a 430 V potential…

A: C1=2.8uf C2=5.8uf Voltage applied (V)= 430 v

Q: 1. a) What is the Potential Energy of a 30kg mass at the edge of a roof 110 m above the ground? The…

A:

Q: Example 3: Mohammad decides to take his friends for a picnic. He will row his boat full of friends…

A:

Q: 24.. BIO Tuning Forks in Neurology Tuning forks are used in the diagno- sis of nervous afflictions…

A: The tuning fork has a frequency f=165 Hz Amplitude A=1.10 mm

Q: 35. FUNICULÌ, FUNICULÀ Field-drive is a locomotion mechanism that is analogous to general relativis-…

A: Required  : To find the smallest guiding coefficient for field gradient environment.

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A: The angle θ substituted to find v→RCis θ=45∘ The magnitude of the resultant vector as calculated in…

Q: In the figure, a long straight wire carries a current i = 28.6 A and a rectangular loop carries…

A: The force between the two current carrying conductor carrying current is given by  F = μo4π2 i i'rL…

Q: Loudspeakers A and B are vibrating in phase and are playing the same tone, which has a frequency of…

A:

Q: Two equally charged particles repel each other with a force F. If their separation is doubled, they…

A: Coulomb's law  :  The electric force between charged bodies at rest is conventionally called…

Q: Light of wavelength 618 nm is incident normally on a diffraction grating. Two adjacent maxima occur…

A: the wavelength of light=618nm Two adjacent maxima occur at sinθ=0.24 & sinθ=0.35

Q: A plastic disk of radius R = 46.3 cm is charged on one side with a uniform surface charge density…

A: This question is based on Electrostatic potential topic. The formula for Electrostatic potential due…

Q: A thin rod has a length of 0.900 m and rotates in a circle on a frictionless tabletop. The axis is…

A: L = 0.9 mI1 = 1.06 * 10-3 kg m2W1 = 0.607 rad/sm = 5 * 10-3 kgNow, since at last the bug will be…

Q: A thin rod of length 3 m lies on the x-axis, centered at the origin. The rod bears a uniformly…

A: "Since you have asked multipart question, I am answering first 3 subparts as per Bartleby…

Q: A spherical rain drop carries a charge of 2.70E-8 C and has a potential of 5.76E+4V at the surface.…

A: Given: In this question, the given details are, A spherical rain drop carries a charge of 2.7×10-8 C…

Q: (a) You displace the object from x = 0 to ₁ > 0, holding the object steady at the beginning and end.…

A:

Q: What force (in Newtons) must be exerted on the master cylinder of a hydraulic lift to support the…

A: Given data:  The mass of the car (m) = 1998 kg The diameter of master cylinder (d1) = 3 cm The…

Q: Question 1: What is the relationship between the Torque and the distance of the force from the axis…

A: 1. Torque is defined as a force applied to a point on an  object about the axis of rotation.  The…

Q: or

A: Given: Length of solenoids are 15 cm Number of turns are 350 Current is 4 A

Q: What was the distance van Niekerk traveled?

A: Answers are in next step. Numerucal Values are in boxes.

Q: di. Use v = L to find the voltage across a 30mH inductor at dt i = 40sin (20nt - ) (round final…

A: CONCEPT:

Q: A piano has been pushed to the top of the ramp at the back of a moving van. The workers think it's…

A: Given  h=1.1m angle of inclinatio=20 degree. We would first find acceleration of van then we can use…