A car speeds up from 18.7 m/s to 35.8 m/s in 4.8 seconds.  What is the average speed during this time

Q: 3 If the body has no acceleration it means t hat the body has constant velocity. O True O False

A:

Q: 7. T Oppositely charged parallel plates are separated by 5.33 mm. A potential difference of 600. V…

A: a) Calculate the magnitude of the electric field between the plates. E=ΔVdE=600 V5.33 mm×10−3 m1…

Q: Four identical metallic spheres with charges of +8.6 μC, +3.4 μC, -7.4 μC, and -2.8 μC are placed on…

A:

Q: A Gaussian sphere encloses a single electron. a) What is the electric flux through the sphere? b)…

A:

Q: In the figure a "semi-infinite" nonconducting rod (that is, infinite in one direction only) has…

A: Given The linear charge density, λ=1.49 μC/m The distance is R=46.2 m

Q: A van moves with an average speed of sav = 35 mi/hr. a) Express this speed in km/hr.  b)…

A: Average speed of a van = 35 mihr

Q: How far will a car traveling at a speed of 19.1 m/s go in 3.6 seconds?  Round your answer to 2…

A: So , by applying simple basic formula  As we know Velocity=distance/time

Q: You conduct two experiments to test the magnitude and direction of an electric field. The experiment…

A:

Q: A very simplified model of the human eye is a single positive refractive surface with refractive…

A:

Q: 92 (I) A point charge q₁ = 3 nC is at the origin and q2 = -7 nC is at x = 8 cm. (a) Find the field…

A:

Q: can measurement be both precise and accurate?

A: Precision and accuracy are two distinct concepts in measurement.

Q: Figure shows a block of mass m resting on a 20° slope. The block has coefficients of friction μ =…

A:

Q: Suppose there are three charges 91, 92, 93 placed as shown in (Eigure 1). The charges q₁ and q3 are…

A:

Q: As shown below, three point charges (the charge for each is shown in terms of Q) are each a distance…

A: The potential at point due to the various different or equal charges can be calculated by the…

Q: During a hard sneeze, your eyes might shut for 0.38 s. If you are driving a car at 94 km/h during…

A:

Q: Below shows two identical point charges. P₁ P (+ S R + D C B Spe E A Which point in the figure above…

A: Draw the schematic diagram indicating the electrical fields at point Q. Calculate the net electric…

Q: Problem 5: A solid sphere of radius R has a spherically symmetric charge density that depends on the…

A:

Q: A spring scale hung from the ceiling stretches by 5.4 cm when a 1.0 kg mass is hung from it. The 1.0…

A:

Q: 3kg cart is pulled with a 1.5 n force for 3 seconds while a 5 kg cart is pulled with pulled with 3 N…

A:

Q: Vector A has x, y, and z components given by 7, 2, and 5 units.  What is the angle the vector makes…

A: Given Ax = 7 units Ay = 2 units Az = 5 units

Q: Ken is running from Barbie at a constant speed of 4.7 m/s. Barbie is running at a constant speed of…

A: Given: vk = Ken's speed = 4.7 m/s vb = Barbie's speed = 5.8 m/s d = initial distance between them =…

Q: | I 4. If you use a horizontal force of 30.0 N to slide a 12.0-kg wooden crate across a floor at a…

A:

Q: If the intensity of the Sun peaks in the optical range, at a frequency of about 3:4 x 10 Hz, what is…

A: Solution:- Given that, The Wien displacement law states that the wavelength at which maximum…

Q: An object is being shot from a horizontal ground at an incline angle of 30 degree with respect to…

A:

Q: A convex refracting surface has a radius of 15.0 cm. Light is incident in air (n = 1.0) and…

A:

Q: Write characteristic features of nuclear force?

A: Characteristic features of nuclear force is as follows. 1) Nuclear force is identical for all…

Q: Which of the following is true for an open system? 1. Matter is able to freely enter or exit the…

A: An open system in thermodynamics is a system which can exchange matter and energy (in form of heat…

Q: A loop of wire carrying a current of 7.62 A is in the shape of an isosceles right triangle (right…

A:

Q: As a steel beam is winched up to the top floor of a new building, the mechanical energy is being…

A: The mechanical energy used to lift the steal beam helps it in lifting to top floor.

Q: The cars begin racing each other. The first driver accelerates in first gear at 1.0 m/s2 for the…

A: Initial velocity of each car = 0 msfor first car : acceleration (a1) = 1 ms2 , for 3 seconds for…

Q: A binary star system has two stars, each with the same mass M, that are separated by a distance of…

A:

Q: An adult person radiates heat to the surroundings at about the same rate as a 100-watt electric…

A: Power is rate of change of energy. P = E/t  E = P×t  where, E = Energy in Joule P = Power in Watt  t…

Q: A semi-infinite straight wire is carrying a current of 6.00 A. The wire runs along the x-axis from…

A:

Q: A strip of metal (made from copper, with 8.47 x 1028 charge carriers/m³) is placed in a uniform…

A: Given: Magnitude of magnetic field B=0.205 T, Current I=6.18 A, Charge density n=8.47×1028 m-3,…

Q: A small block with mass 0.200 kg is released from rest at the top of a frictionless incline. The…

A: Given Data :m1 = 0.2 kgm1 = 0.4 kgdistance travelled by m1 in 0.2seconds is 0.508 metersinitial…

Q: A strong laser is turned on from the surface of Mars. An observer moving at v = 0.9c with respect to…

A:

Q: How long will it take a 794 W heater to raise the temperature of 1423 g of water from 14°C to 49°C…

A:

Q: Cheetahs can accelerate to a speed of 20.0m/s in 2.50 s and can continue to accelerate to reach a…

A:

Q: In the simulation, the length and orientation of the blue and yellow vectors can be changed by…

A: Given, Length of blue vector = 4.47 Length of yellow vector = 4.12 The length of resultant of two…

Q: A communication company plans to launch a geosynchronous satellite to expand its global network.…

A:

Q: How strong an electric field is needed to accelerate electrons in a TV tube from rest to one-tenth…

A:

Q: Which of the following statements accurately describes both the scientific method and the…

A: Scientific method uses all basic principal of basic law of physics.Basic law of physics shows the…

Q: A point charge +8.00 nC is on the −x -axis at x=−0.200 m, and a point charge −4.00 nC is on the…

A: This is a question regarding the electric field and potential due to a point charge. Given:The…

Q: Two charges are located on the x axis: 91 = +4.7 μC at x₁ = +5.7 cm, and q2 = +4.7 μC at x2 = -5.7…

A:

Q: Meixiu and Joey used what they have learned to solve the following problem. A projectile is launched…

A: Given: The launch angle: θ = 40o. The initial speed: u = 75 m/s. To determine how long it remains…

Q: Compute the voltage drop along a 33 m length of household no. 14 copper wire (used in 15-A…

A:

Q: A man walks 45.1332 m directed 178.5005 degrees from the positive x-axis, then he walks 21.1803 m…

A: first leg of displacement = 45.1332 m @ 178.5005 degree from + x axis second leg of displacement =…

Q: A drug is being delivered into a patient's arm at a rate of 25.0 mL/min. The drug is being delivered…

A: Solution (6) The pressure in the syringe must be greater than the patient's blood pressure in order…

Q: Find the magnitude of the vector whose x- and y-components are given to be 1.8217 and -2.0887,…

A: Given value---  x- and y-components are given to be 1.8217 and -2.0887. We have to find--- Find…

Q: A cyclist starts from rest and pedals so that the wheels make 8.00 revolutions in the first 8.10 s.…

A: Given:  Δθ = angular displacement = 8.00 rev t = time taken = 8.10 s To be determined: α = angular…