Use scientific notation to express each of the following quantities with only the base units (no prefix multipliers). 129 pm Express your answer to three significant figures. 8.7 ns Express your answer to three significant figures. 12 fs Express your answer to two significant figures. 34 um Express your answer to two significant figures.

Q: What is the efficiency of a pulley system, which lifts a 1,000 kg load a distance of 2 m by the…

A: in this question we determine  answer by simple efficiency equation.

Q: A 2.4 0.050 kg yo-yo sto swung in a vertical carcie on the end of ²+0 0.30m long String of the…

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Q: NO 4. End A of the bar AB in Fig. P11.53 rests on a fric- tionless horizontal surface, and end B is…

A: Given:-  We have given a figure as the end of bar AB is in rest on a frictionless horizontal…

Q: What kind of circuit connection is shown? combination of series and parallel O parallel circuit O…

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

Q: Two men are carrying a ladder of length l by supporting it at its ends. The ladder is horizontal,…

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Q: A softball player swings a bat, accelerating it from rest to 2.6 rev/s in a time of 0.20 s.…

A: Given : Angular velocity , w = 2.6 rev/s  Time , t = 0.20 s Mass, M = 0.90 Kg  Length, L = 0.95 m…

Q: Q6 A rod of length L has a uniform positive charge per unit length A and a total charge Q. Set up an…

A:

Q: What are some real world applications of a convex lens? Why might it be useful to use a convex lens?

A: Real application of convex lens -  Convex lens are used in - (i) magnifying glasses. (ii)…

Q: 9. A copper metal is heated and then place in a water at room temperature. Which statement below…

A: Please note, that according to the guidelines of Bartleby, I can only answer three questions. Kindly…

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

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: If an object were placed a distance of 15 cm from the convex lens (on the right hand side of the…

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Q: If an object were placed a distance of 10 cm from the convex lens (on the right hand side of the…

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

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Q: A sensor is placed 250cm from a positive charge. The electric field in the sensor is 1.44V/m. What…

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Q: where would its image be located? Will the image be on the same side of the lens as the object? Is…

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Q: room has its walls aligned accurately with respect to north, south, east, and west. The north wall…

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Q: un 18 A 2,500-kilogram roller coaster car travels along the track from Point 1 to Point 6 as shown…

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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: the period of a moving rock in a horizonal circle with a radio of 2m is 1.00s. find its tangential…

A: In the given question, Radius of the circle (r) = 2m The time period of circular motion (T) = 1s We…

Q: Use the model for projectile motion, assuming there is no air resistance. A bomber is flying at an…

A:

Q: A 1000 L tank contains 500 L of water with a salt concentration of 10 g/L. Water with a salt…

A: in this question we know change rate of salt dy/dt then we simplify  them to answer.

Q: 17. This is a measure of the opposition to current flow: a. Current b. Load 18. This is the rate of…

A: Current : Current is the flow of electrical charge carriers like electrons. Current flows from…

Q: A 1.0 kg sphere moves to the right at 3.0 m/s and collided head on with a 3kg sphere moving at 1.0…

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Q: Q6 A rod of length L has a uniform positive charge per unit length A and a total charge Q. Set up…

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Q: A 0.75-kg block oscillates on the end of a spring with a spring constant of 100 N/m. The oscillation…

A: Frequency of oscillations is proportional to spring constant and inversely to mass. A restoring…

Q: Α m 40Ω www 40Ω 13.0Ω Μ ww 20Ω 3.0Ω

A:

Q: 8 mA What is the reading on this device if the range is assigned at 50mA? * 80 mA 0.8 mA 10 100 08 A…

A: Given: The assigned range is 50 mA.

Q: Heat can be transferred through a vacuum by which one or more of the following? conduction…

A: Solution: Given: Heat can be transferred through a vacuum by which one or more of the following…

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

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: A rock is thrown straight upward with an initial speed of 3.2 m/s from a height of 1.4 m above the…

A: Given Initial speed, v=3.2 m/s Height, h=1.4m A rock is thrown straight upward  with an initial…

Q: A cold metal bar at -30 degrees celicus is submerged in a pool maintained at a temperature of 70…

A: in this question we use newton's equation of cooling.

Q: Using the ideal gas equation, calculate the density of radon gas at 8.0 K and 9.0 atm, Give your…

A:

Q: 21. A arctic tern was born in north pole. In autumn, it flys for about 20000 km to south pole, and…

A: 21. Given that, a arctic tern was born in north pole.  Arctic tern flys 20000 km to south pole. So…

Q: jeweler wants to melt a ring. Assume the ring is pure gold and has a mass of 29 grams and the…

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Q: A hat will happen to the ammeter reading when switch S is closed? 2002 he reading will decrease as…

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Q: A cargo plane is moving with a horizontal velocity of v= +248 m/s at a height of y = 1070 m above…

A: In the given question, Height of the plane (h) = 1070m Initial velocity ( vx ) in the horizontal…

Q: A car travels 10 m/s east. Another car travels 10 m/s north. The relative speed of the first car…

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Q: A box with mass m = 1.5 kg is sliding with a speed of 4.0 m/s on a horizontal surface. When at x =…

A: Given that: m=1.5 kgv=4 m/sf(x)=-(10+40x) Nd=?Wf=Work done by friction

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

A:

Q: What is the reading on this device if the range is assigned at 15V? 1.8 V 2.8 V 6V 9V 15 V 10 2 8 10…

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Q: A train is moving directly south with a speed of 10 m/s. if the downward vertical component of the…

A: Given data: Speed of train, V=10 m/s Earth's magnetic field, B=0.54 G Length of the rail car axle,…

Q: A circuit with two resistors as shown in the figure, carries a 15 A total current. What is the…

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Q: Two identical Conducting spheres having unequal opposite charges attract each other  with a force of…

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Q: At a football tryout, a player runs a 40-yard dash in t₂ = 4.85 seconds. If the reaches his maximum…

A: Total distance covered by the player, L1+L2=40 yard Total time taken, t1+t2=4.85 s The distance,…

Q: In a physics lab experiment, a spring clamped to the table shoots a 20 g ball horizontally. When the…

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Q: ox moves down a ramp with no riction. At the bottom of the ramp, the box has lost 15.6 joules of…

A: conservation of energy : energy can neither be created nor be destroyed ,it  can transformed from…

Q: 3. A Ferris wheel with radius 16.0 m is turning about a horizontal axis through its center (see…

A: The speed remains constant in Uniform circular motion. Hence there is no tangential acceleration.…

Q: During a recent winter storm, bales of hay had to be dropped from an airplane to a herd of cattle…

A: In the given question The altitude of the airplane (h) = 222m Velocity of the airplane (v) = 44 m/s…

Q: A hoop and a disk of same mass M and radius R are rolling without slipping on a horizontal surface.…

A:

Q: Two waves of the same frequency have amplitudes 1.00 and 2.00. They interfere at a point where their…

A: Amplitude, a1 = 1.00 Amplitude, a2 = 2.00 Phase difference, Φ = 60° Resultant amplitude, A = ?

Estimate of calculation