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Q: A 30,000 kg freight car is coasting at 0.850 m/s with negligible friction under a hopper that dumps ...

A: Click to see the answer

Q: A student applies a force on a puck equal to the one shown in the figure. If the mass of the puck is...

A: Given,

Q: An unstable nucleus of mass 1.7 ✕ 10−26 kg, initially at rest at the origin of a coordinate system, ...

A: Given values:Mass of the nucleus, M = 1.7 ✕ 10-26 kg = 17.0 ✕ 10-27 kgm1 = 1.0 ✕ 10-27 kg,v1 = 5.2 ✕...

Q: calculate the sound level at a distance of 4.50 m when the intensity of the sound 1.00*10^-2 w/m^2 ...

A: Intensity level in dB denoted as B1 when intensity of sound given is to be I is given by ,

Q: A skier of mass 64 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to...

A: Given:Mass of the skier, m = 64 kgSlope = 30 degreesConstant velocity of the skier upto the slope, v...

Q: Please show me how to draw the torque diagram as well.

A: Click to see the answer

Q: The drawing shows a rectangular peice of wood. The forces applied to corners B and D have the same m...

A: Given,The length of the shortest side is ‘L’.The length of the longest side is ‘2L’.Let the third fo...

Q: 52. A vector makes an angle 0 with the horizontal. The horizontal and vertical components of the vec...

A: The horizontal component of the vector is given as,

Q: 3 A skater increases her speed uniformly from 2.0 meters second to 7.0 meters second per per over a ...

A: Let v be the final velocity of the skater, u be the initial velocity, a be the acceleration, and s b...

Q: 4 A ball thrown vertically upward reaches a maxi- mum height of 30. meters above the surface of Eart...

A: In a projectile motion, when the ball achieves its maximum height, it starts to accelerate downward ...

Q: Vector Addition Ranking Task 1 4 of 4 Review | Constants Part A Six vectors (a through f) have the m...

A: Click to see the answer

Q: The figure shows a jet engine suspended beneath the wing of an airplane. The weight of the engine is...

A: Given thatThe weight of the engine =10100 N With length L=2.50mthrust of engine =64500NAngle =32.0˚

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: A dart gun contains a spring of spring constant k = 17 N/m which is used to fire a dart of mass m. T...

A: From the conservation of energy

Q: A shopper pushes a grocery cart for a distance 21.5 m at constant speed on level ground, against a 4...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: whats the force of a boat if its going if its current is going up 400n and the paddlewheel goes to t...

A: Net force is given by,

Q: if a 33 g object has a volume of 47 cm3, would you expect it to sink or float in water ? Why?

A: Given:Mass of the object = 33 gVolume of the object = 47 cm3

Q: A 10kg box slides down a 6 m long ramp that makes an angle of 25 degrees with the ground. Atthe bott...

A: Write the expression for conservation of energy for the given system

Q: A point charge of -4.00 nC is located at (0, 1.00) m. What is the magnitude ofthe electric field due...

A: Given,

Q: Number 3. I need also the free body diagram for that.

A: The free body diagram of the car is shown below.

Q: The electric potential in a region of space is V- 350V-m where a and y are in meters. V22+y2 Part A ...

A: Let E be the electric field, V be the potential at any point in xy-plane.Write the given values of q...

Q: A uniform horizontal shelf of width L and mass m is held to a wall by a frictonless hinge and by a s...

A: The below figure represents the a uniform horizontal shelf of width L and mass m is held to a wall b...

Q: In the figure below a 1.24-kg block is held at rest against a spring with a force constant K 700 N/m...

A: The kinetic energy of the block after crossing the rough patch is

Q: What is Archimedes Principle using words?or in words?

A: Archimedes principle deals with the force acting on an immersed body in fluid. In other words, the f...

Q: Part C

A: Given:

Q: In introductory physics laboratories, a typicalCavendish balance for measuring the gravitational con...

A: Given that, the masses of lead spheres are 1.68 kg and 14.4 g, and whose centers are separated by a ...

Q: N3T.1 An object's x-velocity v,(t) is shown in the boxed graph at the top left. Which of the other g...

A: Now, consider the velocity verses time diagram. In the diagram complete motion is in two part, the f...

Q: How much energy is required to lift a 10 kg rock from the surface of the Earth and place it in a cir...

A: Click to see the answer

Q: A 6.6 kg object undergoes an acceleration of 4.2 m/s2. What is the magnitude of the resultant force ...

A: From Newton’s second law of motion.

Q: When an object is electrically charged by rubbing it, Select one: a. charged atoms are transferre...

A: An object is said to be charged, means that it received or lost some electrons. If it gains electron...

Q: When a 2.30-kg object is hung vertically on a certain light spring described by Hooke's law, the spr...

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: Two manned satellites approaching one another, at a relative speed of 0.250 m/s, intending to dock. ...

A: Given:Mass of the first satellite, m1= 4000 kgMass of the second satellite, m2 = 7500 kgRelative spe...

Q: The drawings shoes two indentical systems of object; each consists of the same three small balls con...

A: Given thatm1=9.5 kgm2=6.0 kgm3 = 7.7 kgThe magnitude of force, F = 497 N

Q: A speaker suspended high in the air, away from other objects, emits one spherical wave with total en...

A: Click to see the answer

Q: David is getting ready to take down the mighty Goliath. David ties a 583 g rock to a rope that is 2....

A: Given:Mass of the rock = 583 gLength of the rope = 2.3 mInclination of rope below the horizontal = 5...

Q: A tank has the shape of an inverted circular cone with a height of 10 ft and a base radius of 4 feet...

A: Draw the systematic diagram of the inverted cone. Draw an imaginary ring with thickness delta h, and...

Q: 45. Review. Two constant forces act on an object of mass m = QC 5.00 kg moving in the xy plane as sh...

A: part A:

Q: 50. A lawnmower is pushed with a constant force F, shown in the following diagram. F As angle e betw...

A: Here, the angle θ between lawnmower handle and the horizontal increases.

Q: What is the difference between gauge pressure and absolute pressure?

A: Gauge pressure and Absolute pressure are two different pressure measure which we will understand in ...

Q: The force exerted by the wind on the sails of a sailboat is 310 N north. The water exerts a force of...

A: Given situation can be picturized as follows:

Q: A 0.140-kg wooden rod is 1.20 m long and pivots at one end. It is held horizontally and then release...

A: a) he expression for the torque is

Q: A 4.0-g bullet leaves the muzzle of a rifle with a speed of 324 m/s. What force (assumed constant) i...

A: Given:Initial speed of the bullet = 0Final speed of the bullet = 324 m/sDistance covered by the bull...

Q: Can you help me on both part a and b?

A: Given information about the scenario.

Q: A swimming pool reactor produces a flux of 3x1016 thermal neutrons m-2 s-1 at 1 m from the reactor c...

A: Flux damping can be calculated as follows,

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: 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: A 1.90-m-long barbell has a 21.0 kg weight on its left end and a 32.0 kg weight on its right end. If...

A: Click to see the answer

Q: (a) Calculate the acceleration of a skier heading down a 10° slope, assuming the coefficient of fric...

A: (a) Consider the free body diagram below.

Q: 9. A particle is subject to a force F, that varies with position V as shown in Figure P7.9. Find the...

A: Work done is equal to area under force Vs displacement curve.Part A :Work done from x = 0 to x = 5

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.