How does a pulley increase the displacement over which you have to do work Ob Oc Od By wrapping the rope around a half circumference of a wheel By providing additional pulling forces to the rope By increasing the length of the rope through torsion forces By adding more wheels spinning in the rope's direction

Q: Given the masses in the figure below, which of the following is the correct representation if the…

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Q: Determine the magnitudes of all pin reactions for the frame loaded as shown. Assume F = 660 N, a =…

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Q: 3-1 Two flexible cables A and B are used to support a 220lb traffic light as shown in Fig. P3-11.…

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Q: When the structure shown below is supported at point P, it is in equilibrium. Find the magnitude of…

A: Draw the free-body diagram of the system.

Q: Consider a closed surface S fully enclosing the point charge Q. Which of the following is true about…

A: Given Point Charge Q is fully enclosed by the surface S. We have to choose the correct option from…

Q: A moving cart collides with a stationary cart. The carts stick together and move at the same speed.…

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A: The first black bar represents a value of 6 and the second black bar represents a value of 8.

Q: A sample of methane of mass 4.50 g occupies 12.7 L at 310 K. (a) Calculate the work done when the…

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Q: A long, straight wire lies in the plane of a circular coil with a radius of 0.023 m. The wire…

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Q: How can the topic Fluid Mechanics in the Body be used in health sciences?

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Q: If you cut a piece of bar margnet into 2 pieces, one piece will north pole, south pole, north and…

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Q: A thermometer reading 45°C is brought outsi where the temperature is 25°C. Five minutes the…

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Q: 1.A 35-kg child is sitting along the rim of a merry-goround that is rotating at 0.35 revolutions per…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: A loudspeaker diaphragm is producing a sound for 4.9 s by moving back and forth in simple harmonic…

A: Given: Angular frequency ω=1.51×104 rad/s, Time t=4.9 s. Required: Number of revolutions (n). Number…

Q: A horizontal aluminum rod 3.3 cm in diameter projects 7.2 cm from a wall. A 1000 kg object is…

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Q: Air as ideal gas is compressed in a piston-cylinder assembly from P1 = 1 bar, T1 = 298 K to P2 = 10…

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Q: The mass center G of the 1295-kg rear-engine car is located as shown in the figure. Determine the…

A: The distribution of car load may be assumed as Front : Back = 1311:940

Q: A pile of 1000 sheets of paper has a mass of 5kg. The pile is 4OOmm long, 200mm wide and 50mm thick.…

A: No of sheets=1000 Total mass=5 kg Length of pile=400mm =40 cm Width=200 mm=20 cm Height =50 mm=5 cm

Q: . Two blocks connected by a cord passing over a small, frictionless pulley rest on frictionless…

A: solution :- Given that, the two blocks connected by a cord passing over a small, friction less…

Q: A ball is thrown with an initial velocity of 100. m/s at an angle of 60.0⁰ above the horizontal. If…

A: Given First question: Initial velocity = u = 100 m/s Angle of projection with horizontal = 60° We…

Q: A marble rolls off a tabletop 1 m high and hits the floor at a point 2.8 m away from the table's…

A: Given Data Height of the table is h=1 m Horizontal displacement of the marble along the floor is…

Q: Consider a clear liquid in an open container. We determine that the liquid-air critical angle is…

A: We have a open container with a liquid of refractive index say u and a the critical angle of the…

Q: The electric potential energy of an electron at point A is UA, while its potential energy at point B…

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Q: What is the purpose of splitting up the horizontal and vertical velocities when analyzing projectile…

A: Given Motion of an object is a projectile motion We have to find What is the purpose of splitting up…

Q: How much would an 82 kg man weigh on the moon where the acceleration due to gravity is 1/6 that on…

A: Given in question: Mass of man(m) = 82 Kg                                 On the moon where the…

Q: The figure shows a bar in equilibrium position resting on the floor at point A and on the wall at…

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Q: When exposed to electric field, a negatively-charged particle would tend to move •from low potential…

A: Given A negatively charged particle move in an external electric field. We have to find in which way…

Q: 90° The 180 lb rock climber is lowered over the edge of the cliff by his companions, who together…

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Q: Some people feel motion sickness with an acceleration of 2% g where g= 9.8 m/s2 is gravity. A boat…

A: A boat rides on water waves and has a maximum acceleration of 2% g  The time interval of the wave is…

Q: A proton and an electron are held 15 cm apart. What is the magnitude and direction of the electric…

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Q: 11. A toy race car travels through a loop-the-loop (a circle in a vertical plane) on a track.…

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Q: 11. What happens to the kinetic energy of a moving object if the net work done is positive? c. The…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: A vehicle is running with a velocity of 12m/s. If the of the vehicle is 6400 kg m/s, calculate the…

A: Given data:  Velocity (v)  = 12 m/s Momentum (P) = 6400 kg.m/s Required: Mass (m)

Q: Q5. A heavy lead block and a light aluminum block of equal sizes both sink in water. a) Upon which…

A: (a) The net force is greater for greater weight so heavy lead block has net force greater. It can be…

Q: one series of aircraft exercises, a pilot went down 370 m after ejecting from his jet plane and…

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Q: Two toy-cars A and Bof masses 200 g and 500 g respectively are moving with the same speed. Which of…

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Q: The power watts when a 300 N weight is lifted to a height of 5m in 2 minutes is

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Q: Consider the arrangement shown in the figure below where R = 7.00 2, l = 1.10 m, and B = 2.25 T.…

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Q: Coulomb's Law is a mathematical representation of the electric force between two objects. When…

A: According to Coulomb's Law: F=KQ1Q2r2 where, K=Electric constantQ1=First chargeQ2=Second…

Q: Determine the force in each member of the loaded truss. The force is positive if in tension,…

A: in this question  we use free body diagram equation to solve problem.

Q: Some people feel motion sickness with an acceleration of 2% g where g= 9.8 m/s2 is gravity. A boat…

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Q: You are trying to jumpstart the dead battery (V₁ = 5 [V], zero internal resistance) of your time…

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Q: Name: Section: Solve the following completely (given required, Free-body diagram (if applicable),…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A 1390 kg car moving at 6.00 m/s is initially traveling north along the positive direction of a y…

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Q: A river is 35 m wide. There is a current flowing at a velocity of 1.6 m/s [E]. You try and swim…

A: in this question  we use relative velocity and tangential side of figure.

Q: Find the potential energy of 10 kg mass kept at height of 8 m. Take g = 10 m/s²

A: Given data,  Height  = h   Mass  = m  Acceleration due to gravity = g      Required,      Potential…

Q: The following lab set-up consists of two carts on a frictionless surface. Each end of the spring is…

A: Given:-  The mass of cart A is m and the other mass of cart B is 3m and both the cart are connected…

Q: A tennis ball of mass m is dropped from rest at point A, covering a height H, above a frictionless…

A: in this question  we use simple free fall equation of motion and projectile motion.

Q: The speed of the magnet through the coil increased with drop height. Did the rate of change of…

A: We know, from faraday's law- and

Q: A rock pulled by two cords in the opposite direction moves at a constant acceleration. What can be…

A: Option (d) is correct  - These forces did not cancel each other. The magnitude of the forces are not…