A car drives down a straight, level road. It has a mass of 2000 kg and a speed of 25 m/s. What is it's initial gravitational potential energy? O about 20,000 joules O About 10 Joules O O Joules O About -10 Joules

Q: current is increased to 3.0 A? 2. A device is connected to a 210 V source. How much current is…

A: Q2. Given that  Potential difference across the device V = 210 Volt Let the current through the…

Q: A +12 nC charge is located at the origin. Part A What is the electric field at the position (x1, Yı)…

A:

Q: 3- In an electron diffraction experiment using graphite the larger ring formed by rows of carbon…

A: As per guidelines we are allowed to answer only first three part of  question. if question have more…

Q: Two particles m, = 5kg and m2 = 10kg moving as shown in the figure. If v- = 2m/s and v2 = 6m/s. If…

A:

Q: Two straight long wires carry currents I and 31 in the same direction. Where is the position where…

A: Magnetic field is a vector quantity.if two equal and opposite magnetic field act at a point net…

Q: Two objects having different masses are subjected to Identical forces act for the same length of…

A: It is given that two objects having same masses are subjected to identical forces for same length of…

Q: 18. 4 Ω 12 V 1₁ 12 Ω |24 V 13 www 8Ω.

A:

Q: 16. How many electrons will flow through an appliance for each second if the current through the…

A:

Q: 01a. A 72 N force is applied to a 11 kg box on rough level ground. The coefficient of friction…

A: A free-body diagram for a body under the influence of external forces is the situation where this…

Q: If a spring has a frequency of 21 Hz and an amplitude of 1.9 m, then find the MAXIMUM velocity. Give…

A:

Q: 3) A proton enters a magnetic field of 10T and an electric field of 2000 N/C in such a way that it…

A: Moving particle is proton  Charge on proton (e) = 1.6×10-19 C  Magnetic field (B)= 10 Tesla…

Q: O Antinodes O Amplitude

A: These are particular points in the wave that never move

Q: In the following diagram, the current passing through 20 Ohm is 1.5 A. 19. What is the current…

A:

Q: 7. Calculate the potential energy that another charge q2 = 5.00 µC possess when placed at the three…

A: The magnitude of charge is q = 5.00 uC = 5.00 x 10-6 C Distance a is r1 = 1.00 m Distance 2 is r2 =…

Q: from one end (see figure). There are pposite ends of the beam, where W, < W,. Find x such that the…

A: GivenW1=900 NW2=2700 N

Q: An infinitely long wire is uniformly charged. The voltage difference from r 2 m and r= 4 m is 30…

A: Given:    An infinitely long wire --- uniformly charged.    Voltage difference (ΔV) (between r1 = 4m…

Q: The total time a projectile spends in the air along its trajectory A. air resistance В. trajectory…

A: Answer is D

Q: 9) How many electrons are moving through a current of 2A for 2 s? a) 3.2 x 10-19 b) 6.28 x 10 18 c)…

A: Given:          Current, I=2 A            Time, t=2 s Find: The number of electrons, n=?

Q: Problem 10. A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that…

A: For a open orgon pipe antinodes are produced at both end. For a closed orgon pipe antinode produced…

Q: 3. a quantity that describes the rate of motion in the y direction A. horizontal component of…

A: As we know that rate of motion is speed . But according to the question,  we have asked the rate of…

Q: 4. Two charged metal spheres, separated by 20 cm, resulting force when the charge on each sphere is…

A:

Q: 2. Three point charges q; = +2.7µC, q2 = -3.4µC and q3 = -1.6µC initialy are infinitely far apart.…

A:

Q: Find the frequency of a wave that has a period of 0.063 seconds.

A: If the time period of wave is T, then  Frequency f=1/T

Q: 2. Determine the magnitude of electric field value if a distance of 35 cm from a 0.00050 C charge.

A:

Q: 14,200 kg railroad cart that is traveling at a speed of 24.0 m/s collides with a 11,500 kg cart that…

A: Given data:  m1 = 14200 kg and V1 = 24.0 m/s m2 = 11500 kg and V2 = 0 m/s Carts lock together after…

Q: W o = 5.67 x 10-8 m2 K Nglass = 1.5, 1.33, nwater Question 1 Light is incident on the surface of a…

A:

Q: A metal sphere of radius 30 cm has a net charge of 30.0 nC. What is the magnitude of the electric…

A: Given: In this question, the given details are, A metal sphere of radius 30 cm has a net charge of…

Q: Two infinite sheets of current flow parallel to the y-z plane as shown. The sheets are equally…

A: Given:Current through sheet at left, I1 = 2.9 (-k^) A in each wire Current through sheet at right,…

Q: A rope that weighs 0.5 lb/ft is attached to a bucket filled with cement plaster that weighs 22 lbs.…

A: weight per unit length, w=0.5 lb/ft Bucket with plaster, W=22 lb This bucket is pulled by the rope…

Q: 5. An object moving in the x-y plane has a position vector given by: 7 = (2t³ - 5t)i + (6 - t¹)ĵ (in…

A: Given  r→=(2t3-5t)i^+(6-t4)j^Required average velocity

Q: 3. If a barrel plating run uses 200.0 A for exactly 6 hours for an electroplating application at…

A: Power is given by  P = V I

Q: The square loop of wire in magnetic field B (B = (Be/a)(zi + xk)} is in the x-y plane and its center…

A: Given, Magnetic field, width of square loop is, L=l current flowing through the wire is, i = I Now…

Q: 11) What is the current in a 5 Ohm resistor due to a potential difference of 20 V? omb bas obutingem…

A: Write the given values with the suitable variables. R=5 ohmV=20 V Here, R is the resistance and V is…

Q: 17. A piece of number 10 aluminum wire has a diameter of 2.59 mm. How many meters of number 10…

A:

Q: checoefficient of ki

A: Given: Mass of bundle is 6.2 Kg Angle is 21o Kinetic energy is 144 J Kinetic friction coefficient is…

Q: A horse pulls a cart with a force of 15 lb at an angle of 34° above the horizontal and moves along…

A: applied force (F) = 15 lb Angle (θ) = 34o above the horizontal Constant speed (v) = 6.7 mihr

Q: For V1=5 V, V2=1 V, R1=170, R2=310 and R3=240 in the following circuit, Find the following R1 iz R3…

A: Given, V1=5VV2=1VR1=170ΩR2=310ΩR3=240Ω So, according to KCL,…

Q: On earth, two parts of a space probe weigh 10600 N and 3780 N. These parts are separated by a…

A:

Q: With what velocity vo should a projectile be started at the center of the Earth to reach the surface…

A: As per the guidelines we can solve only 1 question. Solution of 1st question is given Law of…

Q: 4. When is the magnetic flux maximum? zero? 5. A loop of wire in the form of a square 1.50 m on each…

A:

Q: A conducting bar of length 0.25 m and mass of 0.34 kg is pulled to the right with a Force of 3.0 N.…

A: Write a given values of this question. L=0.25mm=0.34kgF=3.0NB=0.750TR=50Ω

Q: And r0 ?

A:

Q: 6&amp;7 please

A:

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: 3. We will repeat the previous problem using energy arguments. Comment: Mechanical energy is…

A: The given yo-yo is made up of two solid disks, each of mass M, so the total mass of the yo-yo is 2M.…