1. The work done in lifting a sack of sugar with a mass of 40 000 g is 250 J. How high is it lifted? For easy computation, convert the values and the units of the given. J = Kg.m² / s g = kg

Q: A spherical convex mirror has a radius of 30 cm. An object with a height of 0.30 m is placed 20 cm…

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Q: 15.0 kg wood block is sliding on a smooth surface at a speed of 8.50 m/sec. A spring with a spring…

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Q: (c) As shown in Figure 3, there are 2 non-conducting rings each with uniform charge q1 and 92. Both…

A: The electric field due to positive charge is away from it and due to negative one is towards it .…

Q: Problem 2 Civil Engineering students requires them to monitor the traffc safety at a busy…

A: Velocity VA=55mph Velocity VB=70mph Angle=60degree

Q: 30. A metal block which measures 25 cm x 10 cm x 0.05 m has a mass of 13.5 kg. Find its density in…

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Q: The magnetic field 2 cm from a long, straight wire is 1 EXP -6 T. Thecurrent in the wire is (let…

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Q: If the energy received by 6 m2² area in 500 seconds is 4530 KJ. Calculate the value of Solar…

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Q: Find the outcome of the convergent forces system in the form below

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Q: Find the value of momentum

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

Q: 11. How many calories of heat are required by 90 grams of ice at -8°C to change to steam at 130°C?

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Q: 3. A crate of mass 10 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling…

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Q: A set of light bulbs connected in parallel consist of twenty five 650 ohms bulbs and connected to a…

A: Write the given values with the suitable variables. n=25R=650 ΩV=90 V Here, n is the number of…

Q: 3. Bifocal lenses are prescribed for a patient, the components having focal length of 40cm & -300cm.…

A: We have to apply lens formula here The lens formula is, 1/f=(1/v-1/u), Where, f is the focal length…

Q: 15.32 · Interference of Triangular Pulses. Two triangular wave pulses are traveling toward each…

A: We have to apply superposition principle here

Q: A 50.0-kg object moving at 11.2 m/s transferred 1539 J of energy as work to another object. What is…

A: Given: The mass of the object is 50 kg. The initial velocity of the object is 11.2 m/s. The work…

Q: A parallel‑plate capacitor has a capacitance of 20 µF. What potential difference across the plates…

A: Given, Capacitance=20 µF Charge=7.2 × 10-4 C We have to find the potential difference across the…

Q: A 4 cm object is placed 8 cm away from a converging lens with a focal length of 6 cm. d. Summarize…

A: We use lens formula to solve the problem

Q: Prove that the distance covered by a falling body during n second of its mot is (n - 1/2) * g…

A: Given:-  The body moves from rest with constant acceleration, The body in a condition of free fall.…

Q: What are some of the physical benefits of passing in basketball? How passing in basketball helps…

A: What are some of the physical benefits of passing in basketball?How passing in basketball helps you…

Q: A 2.0 mm diameter iron wire ( resistivity, p = 9.7 x 10-8 N-m) carries a current of 2.5 A. Determine…

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Q: Give a physical explanation of why the magnification factor is nearly equal to 1 for small values of…

A: The Dynamic Magnification Factor is computed as the ratio of the maximum dynamic deflection to the…

Q: A potential difference of 24 V exists between two points in a circuit. What is the work done on a…

A: Given:- Potential difference between two points of the circuit is ∆V=24V Charge is q=1 C…

Q: Find the value of mass if density=1200 kg/m3 Volume=0.002 m3

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Q: Alpha particles (m= 6.7 × 10-27 kg, q = +2e) are accelerated from rest through a potential…

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Q: Ф (Wb) 4.0 2.0 20 30 40 - t (s) -2.0 -4.0- A. What is the magnitude of the induced current at t=5…

A: Current induced is induced emf upon resistance So induced current depends on induced emf.…

Q: 24. Lita is taking her portable TV to the boarding house. She finds a cubical box which has a volume…

A: Volume of box = 0.05 m3  Dimensions of TV = 45 cm × 10cm × 30 cm

Q: The battery with unknown EMF internal resistance r is supplying electrical power of 18 mw to a…

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Q: 17.26 · In an effort to stay awake for an all-night study session, a student makes a cup of coffee…

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Q: Two 2.0cm × 2.0cm metal electrodes are spaced 1.4 mm apart and connected by wires to the terminals…

A: distance between the electrode, d = 1.4 mm potential difference between electrodes = 9.0 V

Q: stion 12: All the given units are basic units except; Newton (b) Meter (c) kelvin (d) Candle

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Q: A spring has a natural length of 15 inches. A force of 10 Ibs. is required to keep it stretched 5…

A: Given, Natural length of spring ,L = 15 inches  Force required to stretch 5 inches is 10 lbs . So,…

Q: One hundred grams of aluminum at 100° C is mixed with 100 g of water at 10 ° C. What is the final…

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Q: Find the work done Force%3D2.24 N displacement=2 m

A: Given data : Force=F Displacement=d   Required : Work done

Q: The unit of capacitance, the farad, is dimensionally equivalent to which of the following? V/C V×C…

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Q: What are the charge on and the potential difference across each capacitor in (Figure 1) if AV = 11…

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Q: A man standing on a building surface throws a ball upward at a speed of 29.4 m/s and then lets a…

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Q: n a SIMPLE Rankine cycle, the steam throttled condition is 8 MPa and 480°C. The steam is then…

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Q: A particle moves along the x-axis so that the position s is given as a function of the time at s(t)…

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Q: TRUE OR FALSE 1.) If the system represents a translating rigid body or a series of connected…

A: 1. In a translating body all particles are rigidly bonded. So in between the particles the distance…

Q: Two 2.0cm x 2.0cm metal electrodes are spaced 1.4 mm apart and connected by wires to the terminals…

A: Given,9.0 V dimension of ht electrodes, 2.0 cm ×2.0 cm separated by a distance, d = 1.4 mm connected…

Q: he graph below is the graph of magnetic flux versus time. The slope of this graph AoIAt) indicates…

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Q: E30 A ship of mass m and speed v strikes a stationary iceberg of mass 10 m. Find the resull- ing…

A: Mass of the ship = m Mass of the iceberg = 10m The velocity of the ship before collision = v…

Q: When 20 N of force is applied to a spring of natural length 2 m, the resulting compression is 0.5 m.…

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Q: A candle 5 cm high is placed 40 cm from a concave mirror with a radius of curvature of 60 cm.

A: Solution:-

Q: Leighton is attempting a biceps curl with a 10 kg dumbbell. She is standing up right, and her…

A: a) Determine the torque created by the weight about the knee joint axis.

Q: The wattage of the headlight is 60 W. Determine the number of particles, each carrying a charge of…

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Q: Two 7.0 cm x 7.0 cm metal electrodes are Part C spaced 1.0 mm apart and connected by wires to the…

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Q: A bus Is mOving on a straight road 20 m/s. It is acceleration at 28m/s? What will be it's velocity…

A: Given value--- initial speed = 20 m/s   acceleration = 28 m/s . time = 8 sec . We have to find---…

Q: Rank in order the potential differences (AVc)1 to (AVc)4 of the four capacitors in (Figure 1). Rank…

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Q: 25. Lito is 172.72 cm tall and weighs 50 000 g. Express his height and weight in meters and…

A: Given Height is given as h=172.72 cm Mass is given as m=50000 g   We have to calculate the height…