A mover is lowering a crate which has a mass of 37.6 kg at a constant speed of 4.65 m/s. How much work (include the appropriate sign) does the tension in the cable do as the crate is lowered a distance of 22.7 m?

Q: Three identical 100.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in in…

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Q: A 47,700 N car is traveling a 25 m/s.  The brakes are applied suddenly, and the car slides to a…

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Q: 5. A 500-turn circular coil with an area of 0.050  m^2 is mounted on a rotating frame that turns at…

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Q: A muon is created at an accelerator experiment. It moves with a spe0.95c. The muon mass is1.90×10−28…

A: We know that, relativistic momentum,                                P=Ymv  Y= relativistic factor…

Q: NOTE: Some of the pictures above may show both reflection & refraction. To count as a reflection,…

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Q: 2. If a telescope with focal length 30 cm "sees" an object taking up 2° of its view, how big is the…

A: As per the guidelines, solving question no 2; Given data: The focal length of the telescope is f=30…

Q: 1. A large ball rests on an inclined surface as shown below. Draw a proper free body diagram for the…

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Q: A laser beam of diameter dy 1.1 mm is directed along the optical axis of a thin lens of focal length…

A: Given data: The laser beam diameter is d1=1.1 mm The focal length is f1=4.7 cm The diameter of the…

Q: 1. A compact disk rotates clockwise, making one revolution in 0.286 s. a) Find the angular velocity,…

A: Solution: (a) Angular velocity (ω): Angular velocity (ω) = Displacement / Time  where:  Displacement…

Q: urrent Attempt in Progress Consult Conceptual Example 9 in preparation for this problem. The drawing…

A: GIVEN       velocity of person before reaching water is (v) =17 m/s        Height of fall of person…

Q: A thin conducting ring of radius a lies in the x-y plane and carries an alternating current I = I0…

A: a) The electric dipole moment of the ring can be calculated using the formula: p = IA where I is the…

Q: An object has a mass of 15.3 kg and it has an initial velocity of 31.3 m/s (South) when it is acted…

A: Given data:  Mass (m) = 15.3 kg Initial velocity (u) = 31.3 m/s, South  Final velocity (v) = 14.7…

Q: 9. A parcel of air having a volume of 1.00 cm³ (1.00 x 10 m³) at a pressure of one atmosphere (1.01…

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Q: The Serengeti region of central Africa is home to a myriad of animal species, including the impala,…

A: The mass of impala is 64 kg. The speed of the impala is 45 km/h due north. The mass of Thomson's…

Q: The lightweight glass sphere in (Figure 1) hangs by a thread. The north pole of a bar magnet is…

A: A positive Charge is a charge that exists in a body which has fewer number of electrons than protons…

Q: What should the ratio of the double: single intensities be at the center of the patterns? Do your…

A: Solution: the ratio of the double intensity to the single intensity at the center of a pattern…

Q: curling stone sliding on ice undergoes a constant acceleration of 5.1 cm/s2 [E] as it travels from…

A: Given  A curling stone sliding on ice undergoes a constant acceleration as it travels from initial…

Q: Assume a length of axon membrane of about 0.10 m is excited by an action potential (length excited…

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Q: As temperature of air increases, the speed of the sound wave travelling in the air   decreases…

A: We know that, V=√(YRT/M) V= velocity of sound Y=adiabatic constant R=gas constant T=absolute…

Q: 9. A 5.0 kg mass hanging from a spring scale is slowly lowered onto a vertical spring, as shown…

A: The mass of the object is 5.0 kg. The scale reads the force as 20 N. For this reading the lower…

Q: 2. Calculate the repulsive electric force that q₁(-2.8 μC) exerts on q2 (-3.1 μC). 9₁ r = 5m 9₂

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Q: A ball is thrown with an upward velocity of 4.5 m/s from the top of a 10-m high building. 1.5…

A: Write the second kinematic equation for the first ball and substitute the corresponding values.…

Q: Two forces are acting on an object which has a mass (m 5.94 kg). The forces are F₁ = 63.9 N (West)…

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Q: Consider the following electronic circuit 100V R1=150 respectively. www R2-30 www R4-60 +1. www…

A: Applying Kirchhoff's current law in the circuit according to which "the current coming at the…

Q: Let C₁= 6.0 mF, C₁= 3.0 mF, and V..= 18 V. Find the equivalent capacitance, and the charge and…

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Q: NOTE: Some of the pictures above may show both a real image & a virtual image. VIRTUAL IMAGE Which…

A: As real images are inverted and virtual images are erecti will use this property to answer this…

Q: it charges. The value of g 0.88m. Find the total ssume that the potential of Finity. ns al resistors

A: Given= Charges have magnitude q = 3.1 micro coulomb Distance d = 0.88 m

Q: The circuit in the figure below has been connected for a long time. Let R₁ = 8.20 and R₂ = 4.80 0.…

A: Given:-           Resistance (R1) = 8.2 Ω          Resistance (R2) = 4.8 Ω

Q: 9. We have 3 vectors below. Unit vectors i and j represent the x and y axes. A = 8.00 i-2.00 j B =…

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Q: The drawing shows four point charges. The value of q is 1.3 μC, and the distance d is 0.84 m. Find…

A: Given:The value of q: q=1.3 μC=1.3×10-6 CThe distance d: d=0.84 m To calculate:The total potential…

Q: An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.30…

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Q: EL3: For the given scenario, draw the electric field lines (not vector arrows, but lines). You may…

A: Electric Field Lines Originates from Positive Charges and Goes into the Negative Charges So to Draw…

Q: In the figure here, a block of ice slides down a frictionless ramp at angle 0=53.0° while an ice…

A: The angle of inclination is 53°. The applied force on the block is 56.0 N. The kinetic energy…

Q: What is the magnitude of the electric field intensity at a point where a proton experiences an…

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Q: PAGE 60. 3 Drag race -ec. a) Find th The in. b) averag

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Q: A water well has a shaft from the water level to the top of the stone wall that is 147. m long. A…

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Q: It takes 13.4 J of energy to move a 13.0-mC charge from one plate of a 17.0-μF capacitor to the…

A: According to the given dat W=13.4 J q=13.0x10-3 C C=17.0x10-6 C We need to find Charge is on the…

Q: 9. In Figure 9-26 below, a crane is lifting a heavy concrete panel The force holding up the panel is…

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Q: A 22.0-kg child is riding a playground merry-go-round that is rotating at 5.24 m/s. What centripetal…

A: Given data: Mass of the child, m=22 kg Velocity of the child, v=5.24 m/s Distance of the child from…

Q: The ball has a mass of 80 grams and is moving 10 m/s. The rod has a mass of 500 grams and a radius…

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Q: An object has a mass of 5.153 kg. Initially its velocity is 15.32 m/s. Three forces do work on the…

A: We have given: mass of object, m = 5.153 kg Initial velocity of object, u = 15.32 m/s Final velocity…

Q: loop of area 0.250 m2 is in a uniform 0.020 0-T magnetic field. If the flux through the loop is…

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Q: Free-body diagrams for four situations are shown below. The net force is known for each situation.…

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Q: A solenoid of radius r = 1.25 cm and length = 26.0 cm has 280 turns and carries 12.0 A. R i (a)…

A: Given: r = 1.25 cm = 0.0125 ml=26 cm=0.26mN=280 turnsi=12 A

Q: A catapult fires an object of 0.025 kg into the air at a velocity of 65 m/s at an angle of 30…

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Q: Question 2 il-www x x An aluminum bar of length / 7.00 cm slides along metal rails through a…

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Q: Calculate the acceleration due to gravity on the Moon’s surface.

A: We know  ,  Acceleration due to gravity on moon's surface  is  equal  to   the  one  sixth  (1/6)…

Q: Fis A 4.8 kg body is at rest on a frictionless horizontal air track when a constant horizontal force…

A: Given   mass of the body m=4.8kg  initial speed of the body u=0m/s

Q: A satellite is in orbit around a small planet.

A: Given: Orbital radius of satellite is r=6.7×104 km Speed of satellite is v=2×105 m/s Note: 1 km=1000…

Q: Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.30x106 N, one at an…

A: The force exerted by each tug is 1.30×106 N. One force is at 19° angle with the west of the north.…