We start with some review problems A crate of mass 20.0 kg rests on a level surface, with a coefficient of kinetic friction 0.219. You push on the crate with an applied force of 297 N. What is the magnitude of the crate s acceleration as it slides?     12.70 m/s^2     14.85 m/s^2     6.35 m/s^2     20.79 m/s^2

Q: An electron moves with a speed of 0.01 c through a magnetic field of 30 millliTesla. a. If the…

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Q: D (mm) t (s) -0.1 0.1 0.2 0.3 0.4 0.5 -2 History granh at x = m

A: Solution

Q: A horizontal 790-N merry-go-round of radius 1.30 m is started from rest by a constant horizontal…

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Q: A steel rod (p = 7860 kg/m³) has a length of 3.31 m. It is bolted at both ends between immobile…

A: Taking, Y = 2×1011N/m2            α=10−5/oC       Q= 3130 J          Heat capacity of steel, S =…

Q: Problem 3: Answer the following question about the coefficient of performance (COP). Randomized…

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Q: energy is released in the ?- decay of 99Mo, given its mass is 98.907711 u? =____MeV

A: We can find the solution using energy mass relationship

Q: What is the total translational kinetic energy of the air in an empty room that has dimensions 9.00…

A: GivenMass of automobile , m=2000 kgDimension of room, =9 m×12 m×6 mPressure , P=1 atm

Q: 6. A 50.0-kg child stands at the rim of a merry-go-round of radius 2.90 m, rotating with an angular…

A: Given, mass of the child, m = 50.0 kgradius of a merry-go-round, r = 2.90 mangular speed, ω = 3.80…

Q: A rotating wheel requires 5.00 s to rotate 29.0 revolutions. Its angular velocity at the end of the…

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Q: A quantity of interest Q is a function of x:   Q = (1 - x²) * cos( (x+2) / x³ )   Given x = 1.70…

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Q: 7. A solid disk of radius 9.25 cm and mass 355 g changes its angular speed from 17.6 rad/s to g 35.9…

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Q: The figure gives the speed v versus time t for a 0.739 kg object of radius 2.12 cm that rolls…

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Q: Problem 1: Suppose a man does 35.5 kJ of work with an efficiency of 4.95 %. How much food energy, in…

A: Given Data, Work Done by the man (W)=35.5 kJ Efficiencyη=4.95 %

Q: This time we have a non-rotating space station in the shape of a long thin uniform rod of mass 4.07…

A: Given, Mass of rod, M = 4.07 x 10^6 kg Length of rod, L = 1052 m Mass of probes, m = 9923 kg…

Q: Create ray diagrams for mirrors (2 for concave, 2 for convex, 2 for plain mirrors). Indicate the…

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Q: A long solenoid is created with 33 turns, has a radius of 1.6 mm, and a length of 1.93 cm. -What is…

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Q: y pulse 1 3D pulse 2

A: Amplitude of pulse 1 is  (A1) = 8×4 cm = 32 cm Amplitude of pulse 2 is  (A2) = -(8×3) cm…

Q: A uniform wheel of mass 10.0 kg and radius 0.400 m is mounted rigidly on an axle through its center…

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Q: bucket of water with a mass of 25 kilograms is lifted from a well by a rope which is wound around a…

A: bucket of water with a mass of 25 kilograms is lifted from a well by a rope which is wound around a…

Q: 4A 2A 1A 1.33A Battery 42 82 What is the current leaving the battery? F 0.40 A G 2.50 A H 8.33 A J…

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Q: Which of the following is an EMF source? A) charge permanent B) no answers D) a fixed permanent…

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Q: 6. From rest, a tennis player swings a club which moves uniformly through 1.25 revolutions in 0.20…

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Q: What exactly does it mean to "measure" something?

A: Measure is to measure something is to give a number to some property of the thing and compare to…

Q: what will occur if there is no use of the thermodynamic principle during mass, heat, and energy…

A: what will occur if there is no use of the thermodynamic principle during mass, heat, and energy…

Q: 33. If yo're standing on the Moon holding a pen, and you let go, the pen will A. float away B. flout…

A: Part (33): Introdution: On the moon surface the acceleration due to gravity is equal to the 1/6…

Q: An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of…

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Q: The potential energy of a particle of mass m moving on a wire is given by 3x where x is the…

A: Schrodinger equation is a mathematical equation describing the energy and position of a particle in…

Q: A 20 heater takes in 5 A while submerged in 1 kg of water coutained in a tank with a…

A: Given, Resistance of the heater, R = 2 Ω current, I = 5 A mass of the water,  m1 = 1 kgm2 = 100 g…

Q: A bar of aluminum (bar A) is in thermal contact with a bar of iron (bar B) of the same length and…

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Q: Calculate its angular acceleration, assumed constant. An automobile engine slows down from 3500 rpm…

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Q: A baseball (m = 145g) traveling 40 m/s moves a fielder's glove backward 27 cm when the ball is…

A: Given that                          The mass of the base ball (m) = 145g,…

Q: To explain the laws of electromagnetic induction (Faraday’s law and Lenz’s law) Faraday introduced…

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Q: The brakes are applied to a vehicle with a mass of 2 Mg while it is descending a l-in-7.8 gradient…

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Q: c Jo

A: free body diagram

Q: A beam of light containing red (660 nm) and violet (410 nm) wavelengths travels from air, through a…

A: a) for flat glass the emergence angle back to air will be same as incident angle. Hence emergence…

Q: Current 1. A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains…

A: The current in the wire=The rate of charge flow The drift velocity, vd=IneA I is the current…

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h = 2.5 m…

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Q: Give an example of a derived unit to illustrate its meaning.

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Q: A meter stick balances at the 50.0 cm mark. If a mass of 50.0 g is placed at the 90.0 cm mark, the…

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Q: The siren of a fire engine that is driving northward at 30.0 m/s emits a sound of frequency 2000 Hz.…

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Q: We start with some review problems A crate of mass 22.6 kg rests on a level surface, with a…

A: Given: The mass of the crate is 22.6 kg. The coefficient of kinetic friction is 0.292. The applied…

Q: An elvectate heater of restonce 1o ohmg drang 18 A from the Bermice mains for 2 hours Fi the rate at…

A: Given data :                       Current    =    I                  Resistance    =    R…

Q: Which S.I. units are the most fundamental? Identify them with their emblems and provide their full…

A: There are total seven most fundamental units in the S.I. system of units. Those 7 most fundamental…

Q: Helium-neon laser light (2 = 6.33 x 10-7 m) is sent through a 0.30 mm-wide single slit. What is the…

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Q: 9. A beam with a weight of 1650 N is 5.00 m long. It is supported at each end by a post as shown at…

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Q: A sharp image of a pencil that’s 25 cm away from your eye is formed on your retina. As you move the…

A: a sharp image of a pencil is formed on your retina when a pencil is placed at a distance of 25 cm ,…

Q: You place a crate of mass 36.2 kg on a frictionless 3.53-meter-long incline. You release the crate…

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Q: What exactly do you mean when you say "unit"?

A: What exactly do you mean when you say "unit"?

Q: A bird stands on a dc electric transmission line carrying 2,974 A. The line has 28 ?μ ΩΩ…

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Q: A student set up a simple circuit with an ohmic lightbulb, battery and switch. When the switch is…

A: initial voltage = V1= 4.2 V initial current = I1= 527 mA voltage = V2= ? V Final current = I2= 397…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: