Complete the following conversions 239 km/s= ________cm/s Express your answer using three significant figures. 239 km/s=_________m/ms Express your answer using three significant figures. 1426 g/L =_______g/mL Express your answer using four significant figures. 1426 g/L =_________kg/mL Express your answer using four significant figures. 546 mK/s=________K/s Express your answer using three significant figures. 546 mK/s=_________uK/ms Express your answer using three significant figures. 3.367 mg/mL =_______ g/L Express your answer using four significant figures. 3.367 mg/mL =________ug/mL Express your answer using four significant figures.

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A: In given figure of circuit all three resistors and source voltage is connected in series with each…

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Q: Determine the reactions at the support A and B in the loading below at equilibrium. The weight of…

A: Downward force =2kN Length of the beam=10m The force is applied middle of the beam.

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A: In the given question, Diameter of the wheel (D) = 2.6m Initial velocity of the wheel (u) = 2m/s We…

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A:

Q: hat is the wavelength of light emitted from an LED lightbulb that has a frequency of 60 Hz is nm

A: Find the wavelength of laser light.

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A:

Q: A spacecraft on its way to Mars has small rocket engines mounted on its hull; one on its left…

A: ax = 5.10 m/s2ay = 7.30 m/s2vx = 3515 m/s vy = 4136 m/s

Q: Consider a thin, spherical shell of radius 12.0 cm with a surface charge density of 0.150 mC/m²…

A:

Q: 11. You take a ride in a wagon. The wagon’s mass (including you) is 200 kg. A horse pulls it with a…

A: Total mass, m=200 kg Pulling force by the horse, F= 78.9 N Speed of the mass, v=3.7 m/s Displacement…

Q: 6. A particle moves along the x-axis with its position relative to the origin and has an…

A:

Q: cargo of 2 Kg on a frictionless ramp is connected (by a cord that runs over a pulley) to a spring of…

A: In the given question, Mass of cargo (m) = 2 kg spring constant (k) = 120N/m The angle of…

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A:

Q: 6. How do noise cancelling headphones work, in principle? Explain briefly.

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A: We have a charge Q at the center of a cube which is surrounded by six charges all of magnitude q…

Q: It took a constant 500 W power to run an engine from rest to its operating speed in 20 seconds. What…

A: “Since you have asked multiple question, we will solve the first question for you. If you  want any…

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Q: A stationary listener hears frequency f1 from a source moving directly toward the listener with a…

A: The Doppler frequency can be written as follow fobs = f0vsound+vobservervsound+vsource

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A: Given data :  Specific heat of water ( cw ) = 4184 J/kg°C  Specific heat of ethanol ( ce ) = 2440…

Q: Find the force mass=10 kg Acceleration=3 m/s2

A: Given that, mass (m) = 10 kg  acceleration (a) =  3 m/s2

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A:

Q: A bar on its hinges starts from rest and rotates with angular acceleration of a=0.10 rad/s/s. During…

A: Given data: Angular acceleration, α=0.10 rad/sec2 Time, t=10 s Our question is to find the angle θ

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Q: 7. Charlie has a graduated cylinder, water, and an irregularly-shaped object. He pours some water…

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Q: A spaceship is traveling through deep space towards a space station and needs to make a course…

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Q: Find the speed of car Distance=2 km Time=1 hr

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A: Given data :- initial volume V1 = 1.86 m3initial temperature T1 = 20° C = 293 K initial pressure P1…

Q: Find the Momentum Mass=100 kg Velocity=2 m/s

A:

Q: Find the momentum Mass=2 kg Velocity=0.1 m/s

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Q: What is the magnitude and direction of the electric field at a point where an electron experiences a…

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Q: What is the magnitude of the electrical force (in N) between a -5\mu CμC  and 10\mu CμC charges that…

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Q: student fires a 0.07 kg arrow at an object with mass m that is initially at rest on a frictionless…

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A: Speed, v = 420 km/s = 420×10³ m/s = 420000 m/s Time, t = 10 µs Kinetic energy of the electron, K = ?…

Q: determine the centripetal acceleration of a moving car at a velocity of 40.0 km/h in a curve of…

A: Given  Velocity of the car is v=40.0km/h=40.0×10003600m/s=11.1 m/s Radius of the curve is r=20.0 m…

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Q: calculate the centripedal force of a vehicle of 2000kg that rotates a curve of 175m radio at a speed…

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Q: A lead ball is dropped into a lake from a diving board 6.20 m above the water. After entering the…

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Q: A mass m = 1.4 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The…

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Q: Which of the following is a unit of impulse? A) N.s B)kg.m/s^2 C)N.m D)N/s E) N/m

A:

Q: Which of the following is NOT true for a parallel circuit? The total current is equal to the sum of…

A: In parallel circuit Total current is equal to the sum of current through each load  Voltage across…

Q: A cargo of 2 Kg on a frictionless ramp is connected (by a cord that runs over a pulley) to a spring…

A: in this question  we draw free body diagram of that situation.

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.