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Q: 1. A woman runs a kilometer using a force of 210N and a power output of 500W. How long in minutes do...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Let's assume that two objects with masses mA and mB are mvoing with velocities vA and vB along the x...

A: Let va, vb are the initial velocities of masses a and b, and va’, vb’ are the final velocities of ma...

Q: 13. A roller coaster at the Six Flags QIC Great America amusement park in Gurnee, Illinois, incorpor...

A: Let v be the velocity of the roller coaster at the top of the teardrop, ac be the centripetal accele...

Q: Using the conservation of angular momentum arguements explain why ice skaters spin faster when they ...

A: The angular momentum is the product of moment of inertia and angular speed. Again, moment of inertia...

Q: A uniform plank of length 5.35 m and mass 26.9 kg rests horizontally across two horizontal bars of a...

A: suppose, the right scaffold part is free to walk by the painter.the distance from the center of mass...

Q: Calculate the maximum rate at which a rocket can expel gases if its acceleration cannot exceed seven...

A: Given:Mass of the rocket = 75000 kgExaust velocity of the rocket = 2400 m/sMaximum acceleration of t...

Q: Junior throws his mashed potatoes onto his mother's lazy susan, which has a moment of inertia I. If ...

A: The initial angular momentum of potatoes = mvd,where, m is the mass of the potato, v is the horizont...

Q: Shortest Line in 3D Prove that the shortest path between two points in 5. three dimensions is a stra...

A: The distance between the two points in the three dimensions can be given as follow:

Q: In the vertical jump, an Kobe Bryant starts from a crouch and jumps upward to reach as high as possi...

A: Consider v0 be the initial velocity. At maximum height the velocity will be zero.Use the kinematics ...

Q: 4.

A: The set up is given. Charge A is +2 units and charge C is also +2 units. The charge B is -2 units. A...

Q: A girl delivering newspapers covers her route by traveling 6.00 blocks west, 5.00 blocks north, and ...

A: (a)The final position of the girl relative to her starting location along x axis is,The final positi...

Q: A train locomotive pulls a train with a mass of 1.00 ✕ 107 kg on level rails. The locomotive exerts ...

A: From Newton’s second law of motion.

Q: A solid 0.4150 kg0.4150 kg ball rolls without slipping down a track toward a vertical loop of radius...

A: Given values: Mass of the ball, m = 0.415 kgRadius of the loop, R = 0.8750 mLet the speed at the top...

Q: A transformer has 300 turns on its secondary and 100 turns on its primary. The primary is connected ...

A: (a). the output voltage in the secondary coil is

Q: A 5.00-g bullet moving with an initial speed of vi = 380 m/s is fired into and passes through a 1.00...

A: (a)The bullet imparts a velocity v to the block on impact

Q: Question 9 A neutral metal sphere is touched to an identical sphere carrying a charge of +3.0 x 102 ...

A: When a charged conducting body is allowed to be in contact with another neutral conducting body, Cha...

Q: Number 5

A: (a)A FBD for the satellite,

Q: 21. As the angle between two concurrent forces decreases from 180°, their resultant (3) remains the ...

A: Resultant force is given by,

Q: The simple mass on a spring is the basis for our description of almost any oscillation. Lets consid...

A: The expression for spring constant for N2 is,

Q: A sprinter can accelerate with constant acceleration for 3.40 s before reaching top speed. He can ru...

A: For the first 3.4 second the sprinter accelerates and then it moves with the same velocity that is t...

Q: Does atmospheric refraction affect the length of the day? Would the daylight hours be longer or shor...

A: Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line ...

Q: A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt fall...

A: The speed of the rocket after 4 second is

Q: Calculate the magnitude of the linear momentum for the following cases. (a) a proton with mass 1.67 ...

A: All the given speeds are small compared to the speed of light so that non-relativistic equation for ...

Q: 9-3 Work and Kinetic Energy CHAPTER 9 8. A car turns a corner at constant speed. AvoW 9 Wiric OYOO H...

A: 8. A car turns a corner at a constant speed

Q: You are very particular about the proper temperature needed to make tea. The proper temperature for ...

A: The temperature of the boiling water is 100 degree Celsius.Convert the temperature of favorite tea t...

Q: The big prediction here is how the masses, the radius, the period, and the angle interrelate. Please...

A: Consider the hanging mass be M, the whirling mass be m, the tangential acceleration of the mass be a...

Q: Ultrasound probes can resolve structural details with sizes approximately equal to the wavelength of...

A: Given,

Q: N2B.14 Construct a graph of x-velocity as a function of time for an object whose x-position is as sh...

A: Velocity = displacement / time interval = slope of the x(t) – t graph

Q: A rocket has an initial mass of 29,000 kg, of which 20% is the payload. It burns fuel at a rate of 1...

A: (a)Formula for the thrust of the rocket is:

Q: 16.

A: Ionization is the loss or gain of electrons by an atom or molecule whereas polarization is the displ...

Q: Hang a weight at rest at position B. Then raise it to position A and release. The lowest position it...

A: Since the spring has never been compressed as mentioned in the question, the equilibrium position of...

Q: An initially 'compressed' spring (x1 = 0.4m) is observed to compress an additional 0.4 m before stop...

A: Given information:Mass of the block (m) = 100 kgVelocity of the block (v) = 26 m/sInitial compressio...

Q: B. If the spring constant is k = 2.2 N/m, can you find the mass of the cart? If you can do it, give ...

A: B)The expression for force with respect to spring constant,

Q: A football punter accelerates a football from rest to a speed of 14 m/s during the time in which his...

A: Given:Mass of the ball = 0.48 kgInitial velocity of the ball = 0Final velocity of the ball = 14 m/sT...

Q: One of my homework problems asks this: A non-conducting sphere of radius R = 9.0 cm carries a char...

A: Given values:Radius of non - conducting sphere, R = 9 cm.Charge on sphere, Q = 5.0 m CHere we would ...

Q: In a track and field event, a hammer thrower accelerates the hammer (mass = 7.30 kg) from rest withi...

A: Let the initial and final angular velocity be denoted as ωi and ωf , the angular displacement be de...

Q: Number 1 .

A: Consider a car is moving with velocity(v) in a horizontal curve of the radius(R).

Q: What is the magnitude of the magnetic force on a charged particle ( Q = 5.0 p C) moving with a speed...

A: Given:Charge on the particle, Q = 5 uCSpeed of the particle, v = 80 km/sMagnetic field, Bx = 5 TBy =...

Q: Three resistors R1 = 87.6 Ω, R2 = 23.6 Ω, R3 = 70.0 Ω, and two batteries 1 = 40.0 V, and 2 = 359 V a...

A: (a)Redraw the circuit diagram as shown below:

Q: The electric potential along the x-axis is V=100e−2xV, where x is in meters. What is Ex at x=1.0m? W...

A: Electric field is given by,

Q: 6 What velocity is needed for your car to negotiate a 100-meter radius curve banked at a 20.0° angle...

A: Velocity is given by,

Q: N2T.10 The drawing below is supposed to be a free-body diagram of a box that sits without slipping o...

A: From the given condition for the motion of truck, there are the forces acting on the box are as, the...

Q: Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turnin...

A: Consider the angular speed of the bacterial motor be ω0, the angular speed of the rim of the bacteri...

Q: Use Gauss's law to derive the formula of capacitance C of a parallel plate capacitor of plate area A...

A: Use the concept of potential and electric field.The equipotential lines and electric field lines are...

Q: Number 2. I need also the free body diagram for that question.

A: Coefficient of the static friction,The acceleration due to gravity,Radius of the curve road,

Q: A steel ball of mass 0.740 kg is fastened to a cord that is 88.0 cm long and fixed at the far end. T...

A: from the conservation of energy the initial speed of the ball can be calculated,the expression for c...

Q: Chapter 28, Problem 049 Your answer is partially correct. Try again. The figure shows a rectangular,...

A: Given values:No. of turns, N = 18Area of the coil, A = length x breath = 9.9 cm x 4.0 cm = 39.6 cm2 ...

Q: A circuit in a TV has an overall resistance of 28 Ω. The current in the circuit is 0.1 A. Find the v...

A: Voltage is,

Q: A planet similar to the Earth has a radius 4.3 × 106 m and has an acceleration of gravity of 10 m/s ...

A: Click to see the answer

Q: 28.66 The wire semicircles shown in Fig. P28.66 have radii a and b. Calculate the net magnetic ...

A: The required magnitude of magnetic field is,