(a) A person pulls on a spring, stretching it by 3.0 cm, which requires a maximum force of 75 N. How much work did the spring do? (b) If the person compresses the spring 3.0 cm, how much work does the spring do?

Q: A force of 3.6 N makes an angle of 40° (counter-clockwise) with the +X axis. The Y component of the…

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Q: (a) Find Re, between AB for the following circuit. (b) There is potential difference across AB of 30…

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Q: ne make it to the second shelf if her accelerati = does she land?

A: A GIVEN acceleration a = 2.5 m/s2

Q: The spacing of ruled lines on a diffraction grating is 1,638 nm. The grating is illuminated at…

A: Given data d=1638 nmλ1=700 nmλ2=391.6 nm Here d is the spacing between the lines. While λ is the…

Q: whirling ball at the end of a string breaks and what happens   a.follows a straight line. b.follows…

A: A whirling ball at the end of a string breaks and what happens

Q: at 150 Hz?

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Q: A force of 1.5N makes an angle of 12° (counter-clockwise) with the +X axis. The Y componen the force…

A: Given  F = 1.5 N  Angle = 12 degree counter clockwise  So F can be resolve into two components  One…

Q: A piece of stone of mass 112 g sinks to the bottom in water contained in a measuring cylinder and…

A: Given dataMass of stone is m=112gIf the stone is submerged in water, the water level rises from 20…

Q: The voltage across an object is steadily increased, and the resulting current through the object is…

A: We know that slope of V-I graph gives the resistance of the object.

Q: A 90 kg Panda is sliding down a bamboo at a constant speed of 2.4 m/s. The friction on the Panda is…

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Q: ii) Describe the major difference between TN-C-S system and TN-S earthing systems using sketches…

A: TN-S Earthing system: TN-C-S Earthing system:

Q: A kangaroo, a wallaby, a wombat and a bandicoot travel to Innsbruck, Austria on holiday where they…

A: Given, linear speed v=29.5 m/s centripetal force Fc=2250  angle =50 degree

Q: A copper wire has a nominal diameter of l1.02 mm This wire carries a constant current of 1.67 A. The…

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Q: A 0.39 m copper rod with a mass of 5.00×10-² kg carries a current of 11 A in the positive x…

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Q: The position of a 2.75 X 10³-N raining helicopter under test is given by 7 = (0.020 m/s³)³ + (2.2…

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Q: Table R(Q) im(A) 100 0.030 200 0.005 330 0.006 100 0.019 200 0.005 3. Using Kirchhoff's Rules,…

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Q: 4) What is U, the energy stored in this capacitor? J Submit 5) The battery is now disconnected from…

A: 4) The net capacitance is,…

Q: 1) Two athletes pull on a rope in a tug-of-war. Each pulls with a 430 N force. What is the resultant…

A: Given When to athletes pull a rope in tug of war with a force of 450 N and what is the resultant…

Q: 4. Cassie steps outside to complete a long run and improve her cardiovascular strength. She is very…

A: The different angles made by the different part of the system is shown in figure below:

Q: The emf source, E, of the circuit shown in the figure has negligible internal resistance. The…

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Q: Hi the last part is telling me it is wrong for the frictional force? im trying to solve but not sure…

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Q: 8. You are riding a roller-coaster going around a vertical loop, on the inside of the loop. If the…

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Q: "Determine the minimum uncertainty in the position of an electron if its speed is known with a…

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Q: A specific aircraft needs a velocity of 42 m/s ro generate enough lift for takeoff. It takes 50.0s…

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Q: I. I. Iz

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Q: A person with mass mp = 77 kg stands on a spinning platform disk with a radius of R = 2.1 m and mass…

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Q: 2. A block is pushed up a frictionless plane with an initial speed vo and then released. The plane…

A: Given: A block is released with a initial speed = vo. The inclination of plane = 30o.

Q: Alexis fires a gun toward a target at the same height. The target is 100 meters away. The horizontal…

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Q: A 40.82kg hunter ropes a 186.05 kg sleeping polar bear and pulls the bear towards him until the…

A: Center of mass is a point where the whole mass of the body is assume to be concentrated. For…

Q: determine the forces in each member.

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Q: A 10 g bullet leaves the 0.75 m barrel of a gun with 250 m/s speed. The force exerted on the bullet…

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Q: -kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.04 seconds. If he…

A: Here, we calculate the given as follow;

Q: A passenger on a Ferris wheel of diameter 22 m makes one complete revolution every 45 s. What is the…

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Q: A 2500 kg roller- coaster completes a loop of radius 16 m in 3.00 s. a. Draw an FBD of the coaster…

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Q: A force of 7.3 N makes an angle of 23° (counter- clockwise) with the +X axis. The X component of the…

A: Given that:Force F=7.3 NAngle of force with positive axis, θ=23° counterclock wise

Q: 7. Block Aslides to the left with an initial speed of 2 m/s with respect to the ground on a…

A: Given data: The initial speed of block is u=2 m/s. The speed of transmission belt is v=3 m/s. The…

Q: Find the energy associated with the 3rd line of the Paschen series in the hydrogen emission…

A: We know the formula for Paschen Series : 1λ=R132-1n2     here, n=4,5,6,.....And R(Rydberg…

Q: 2. A harmonic oscillator consists of a spring with a 0.2 kg mass hung on it. Its position can be…

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Q: bläs 4 The net force causing the centripetal acceleration can be evaluated EF = m.ac = m(v^2/r) O EF…

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Q: 92=-2.09 91=+q d d 93= -3.09 94 = -4.09

A: Given that:q1=q=+2.5 μC=2.5×10-6 Cq2=-2.0qq3=-3.0qq4=-4.0qThe distance is: d=34 cm=0.34 m To…

Q: The 5 N block is sitting on a table top which weights 16 N. The table has three legs. The force…

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Q: In the figure below, what must be the banking angle for the car to turn around the curve at a speed…

A: Given, speed of the car is v=13m/s   And from figure the radius of the round path is r =30 m weight…

Q: 20. The block has a mass of 60 kg. The coefficient of static friction is 0.3. The minimum force, P…

A: Given that mass of the block is m=60kg the angle of inclination from the horizontal is α=40o A force…

Q: A woman driving a 2000 kg car at 15 m/s fully applies the brakes 50. m from a stoplight. If the car…

A: Given data: Mass (m) = 2000 kg Initial velocity (v0) = 15 m/s Final velocity (Vf) = 0 m/s Brakes…

Q: 2. Which of the following objects has the most inertia? a. a molecule b. a pen C. a laptop d. а car…

A: Inertia is the resistance offered by an object to any change in its state of motion, or even change…