A motorbike engine can develop a power of 90 kW in order to keep a constant velocity of 30 m/s. What is the pushing force? A) 300 kN B 30 kN 0.3 kN D 3 kN

Q: Find angular momentum-L of a 6.00-kilogram disk with a diameter of 1.80-m if it rotates about its…

A: Given data:  A disk rotated about it center  Mass (m) = 6.00 kg Diameter (d) = 1.80 m Angular…

Q: a.) What minimum force must you exert to lift a car of mass 1500 kg. If rout = 0.71 m and Ain = 0.2…

A: The correct answer is option (D) i.e. Force is 1856 N and distance is 198 cm which is (B) in the…

Q: A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of…

A: tangential acceleration = angular acceleration × radius

Q: If 100 waves pass through a mediumin 20 seconds and their wavelength is 6cm then velocity is

A: Given, 100 waves pass through a medium in 20 seconds wavelength = 6cm = 0.06 m We know that velocity…

Q: When an inelastic material is in a collision,   the work done to deform the material is equal to…

A: In all type of collisions as no external force is involved ,so linear momentum always remains…

Q: Calculate the lowest possible uncertainty in the velocity for an electron, (mass 9.11x10 31 kg)…

A:

Q: A circuit contains a single 220-pF capacitor hooked across a battery. It is desired to store four…

A:

Q: Two narrow slits separated by 0.42 mm are illuminated by monochromatic light of wavelength 642 nm.…

A:

Q: A person is standing outdoors in the shade where the temperature is 21 °C. (a) What is the radiant…

A: Stefan-Boltzmann law: States that the total energy per second radiated or observed by a black body…

Q: A wooden block floats in fresh water with two thirds of its volume submerged. In alcohol, the wooden…

A:

Q: 48. A solenoid has 100 turns connected in a circuit over a length of 0.25 m. µo = 4n × 10-7 A2…

A: Given Solenoid length ( L ) = 0.25 m Turns in Solenoid ( N ) = 100 Current in the Solenoid = 10 A μ0…

Q: a.Describe what is needed to form longitudinal standing waves in a slinky and how they are formed.…

A: a) We'll need a slinky first. After that, we patch one end. Then we take the other end, stretch the…

Q: A Sun-like star has a power output of 4.1·1026 W with 90.4% of this energy supplied by the…

A: Write the energy of 1 proton. Ep=1.6021×10-13 Ws

Q: 12. A 2.0-meter-long copper wire with radius of 5.0 mm carries a uniform surface charge density of…

A:

Q: True or False: The mass flow rate in a tube with one inlet and one outlet varies if the flow is…

A: mass flow =ρAv

Q: A car is moving on a straight road 20 m/s. It is acceleration at 34 m/s? . What will be it's…

A: Given data :    Initial velocity   =   u    Acceleration   =   a     Time   =   t        To find :…

Q: What is the acceleration of a particle at time 3seconds if it has a position versus time curve with…

A:

Q: q32. A 50.0 g mass is placed at the 20 cm mark in meterstick as shown in the figure. what is the…

A:

Q: 1. Steam is supplied to a fully loaded 100hp turbine at 294psia, with u¡ =1163.3 Btu/lb, v1= 2.65…

A:

Q: q28 Young's modulus of iron rod is 21 × 1010 N/m2. A force of 7.0 × 105 N is applied to a 1.5-m…

A: Given Young's modulus of iron rod =  21 × 1010 N/m2.  Applied force on rod = 7.0 × 105 N length of…

Q: A Fraunhofer diffraction pattern of a single slit of width 0.294 mm is produced using light of…

A:

Q: he measurement of the brass cylinder is taken. The diameter is 2.0 cm, height is 4.0 cm, and nass is…

A:

Q: A small logo is embedded in a thick block of crown glass (n = 1.52), 3.10 cm beneath the top surface…

A:

Q: show that no material particle can have velocity greater than the velocity of light.

A: We know that the speed of light is given as C = 3  x 108 m/s.  We also know that the kinetic energy…

Q: Which of the following statements is true? A) Work done by weight is always zero (B Work is a Scalar…

A: Required:  The true statement about the work done

Q: Given the figure, determine the Vernier caliper measurement. Express your answer in centimeter. The…

A: Given:  Main scale reading (MSR) = 2.5 cm Least count (LC) = 0.05 mm Vernier scale reading (VSR) =…

Q: 2. In the fig. below, how large must R if the potential drop from A to B is 12 V. The current is 3.0…

A:

Q: 27. A 10 µF capacitor with an air gap of 2 mm is connected across a 12 V battery. What is the…

A:

Q: How long will it take Mars to complete two full orbit? Mars is 228 million kilometers away from the…

A: We have the relations: GMsMmR2=Mmv2R and T=2πRv⇒v=2πRT

Q: The coherence length of an ordinary white light source can be increased if we place a color filter…

A:

Q: You are about to conduct an experiment in the laboratory involving a laser, a glass prism, and a…

A: Please post the remaining questions separately!   Given:- θ4= 30° n= 1.512 A= 60°

Q: A 0.7 m length of (9.009x10^0) mm diameter wire carries (2.16x10^0) mA current when (7.8210x10^0) mV…

A:

Q: How much would you age in traveling a distance of 5.19 light years from earth if you were able to…

A: The age would be 2.93 years

Q: The diagram shows a cart at four positions as it moves along its track. At which position is the sum…

A: Correct option is (b) all positions,A through D

Q: How much energy is contained in 0.525 g of matter? Recall the speed of light c = 3.00 * 10 ^ 8 * m /…

A: Given data:   Mass (m) = 0.525 g = 0.525×10-3 kg Speed of light (c) = 3.00×108 m/s Required:  The…

Q: A ray of light impinges from air onto a block of ice (n = 1.309) at a 50.0° angle of incidence.…

A:

Q: Young's modulus of iron rod is 21 x 1010 N/m². A force of 7.0 × 105 N is applied to a 1.5-m length…

A:

Q: Which of the following is done on the experiment about 1st condition of equilibrium? balance the…

A: The  condition  of  equilibrium   is  the  main  concept  in the field in  of  physics. under the…

Q: When will the particle reach constant velocity given the position versus time curve equation of  x =…

A: Given that:- Position V/s time curve equation is given in the question.

Q: Why does ice float on liquid water? a) because liquid water is less dense than ice. b) because ice…

A: In this problem, it is asking why ice float on liquid water.

Q: 23. In the below figure for capacitors connected in parallel, what is the correct statement and…

A:

Q: golf club exerts an average horizontal force of 1000 N on a 0.045-kg golf ball that is initially at…

A: Given data  F = 1000 N, m = 0.045-kg, vo = 0, t = 1.8 ms.

Q: An electron travels with speed 1.3×107 m/s between the two parallel charged plates shown in the…

A: Given that:- Speed of electron=v=1.3×10^7m/s

Q: A 10 kg is suspended vertically in a cord. What is the tension in the cord? *

A:

Q: How far from a 59.0- mm -focal-length lens must an object be placed if its image is to be magnified…

A:

Q: Vernier caliper gives smaller least measurement than the meterstick. Which statement is parallel to…

A: Here option (c) is correct. i.e Vernier caliper is more accurate than the meterstick.

Q: A 2200-kg auto moving northward at 12.0 m/s runs into a 3800-kg truck which is also moving…

A: Given data:  Mass of auto (m1) = 2200 kg The velocity of auto (V1) = 12.0 m/s, towards North  Mass…

Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A:

Q: 15. Review. A projectile of mass m is launched with an ini- tial velocity V, making an angle 0 with…

A:

Q: Which of the following statements is true?   Work is a Scalar Quantity   Work is positive when the…

A: 1) solution - Yes work is scalar quantity We know that, Work (W)= F.s Where F and s are the vector…