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Q: Two objects of masses m and 7m are moving toward each other along the x-axis with the same initial s...

A: In an elastic sollision, the energy as well as the momentum is conserved.Using the conservation of m...

Q: You are given a sample of metal and asked to determine its specific heat. You weigh the sample and f...

A: Weight of a substance is expressed as:

Q: A 1,195-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into th...

A: a)According to momentum conservation law,

Q: Whitworth Library Course HomeX Join conversation A-Z Databases Book a Flight: Best Pirate Port Publi...

A: Initially the system has only elastic potential energy and finally the system has only kinetic energ...

Q: A 2.13-kg solid sphere (radius 0.135 m) is released from rest at the top of a ramp and allowed to ro...

A: At the top of the incline plane, the sphere have only the potential energy, then the total kinetic e...

Q: 16.

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

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:

A:

Q: In the winter activity of tubing, riders slide down snow covered slopes while sitting on large infla...

A: The change in gravitational potential energy is,Substitute the values,

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: A 1.40-kg block is pushed against a vertical wall by means of a spring (k = 810 N/m). The coefficien...

A: Given,

Q: Imagine you are on an amusement park and on a train ride. At some point the train ride follows a hor...

A: The expression for the centripetal acceleration is

Q: A completely inelastic collision occurs between two balls of wet putty that move directly toward eac...

A: From the conservation of momentum.

Q: A wheel 33 cm in diameter accelerates uniformly from 245 rpm to 380 rpm in 6.4 s. How far will a poi...

A: Radius of the wheel,

Q: Tom and Jerry both push on the 3.00-m-diameter merry-go-round shown in (Figure 1). Tom pushes with a...

A: Net torque on merry-go-round is,

Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using onl...

A: (a) Work done is given by,

Q: A fixed 19.7-cm-diameter wire coil is perpendicular to a magnetic field 0.57 T pointing up. In 0.25 ...

A: Consider the change in magnetic field be dB, the time interval be dt, the diameter of the wire coil ...

Q: Constants Periodic Table A typical ten-pound car wheel has a moment of inertia of about 0.35 kg m2. ...

A: Given information:Moment of inertia of the wheel (I) = 0.35 kg.m2Number of revolution (N) = 35 revTi...

Q: If a piece of an airplane suddenly becomes detached during flight, it will crash to Earth. Would it ...

A:

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: Two thin rod of length L are rotating with the same angular speed in (rad/s) about axes that pass pe...

A: Rotational kinetic energy of rod A is,

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: 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: If a piece of an airplane suddenly becomes detached during flight, it will crash to Earth. Would it ...

A: If an aeroplane part suddenly becomes detached it crashes because it is travelling at speed less tha...

Q: What is Pascals Principal explained in words?e

A: According to the Pascal’s principle:A change in pressure in one part in a fluid which is at rest in ...

Q: When a satellite is placed into a higher orbit, what happens to its period?

A: The time period of a satellite,

Q: A 804000ˍkg space ship has completed two thirds of its journey from the Earth to the Moon. At this p...

A: The expression for the required force is,

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: How do I solve this for "maximum amplitude of oscillation such that the top block will not slip on t...

A: Figure shows A block with mass M rests on a frictionless surface and is connected to a horizontal sp...

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: A 110-kg person climbs some stairs at a constant rate, gaining 2.8 meters in height. Find the work d...

A: The person is doing work against gravityThe Mass of person = m = 110 kgHeight accomplished = h = 2.8...

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: The thrust created by a lone jet engine produces a force of F = 78000 N. It takes the aircraft (with...

A: (a)Initial kinetic energy is zero, as it starts from rest.From work energy principle:

Q: Suppose a 825-kg car can produce a useful power output of 45.5 hp (1 hp = 746 W). How long, in secon...

A:

Q: My question is why did we used sine and cosine 45 degree? Is not is supposed to be 315 degree since ...

A: It is given that the force along the y-axis is

Q: Hot water with a mass of .11kg is poured into a 0.25kg ceramic cup. The ceramic cup is initially at ...

A: For the thermal equilibrium the heat loss equals the heat gain. Here, the water losses the heat, and...

Q: In the figure provided, a 142 g ball on a 73.1 cm rope is swung in a vertical circle about a point 2...

A: The expression for the required distance is,

Q: for orbital velocity, do you always add 6400 km to the altitude of orbit?

A: Orbital velocity is,

Q: At the centre of a circular ice rink, a 82.0 kg ice skater moving 2.25 m/s north hits and grabs onto...

A: Given,

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: . What is the gravitational force of attraction between two electrons held onemeter apart in a vacuu...

A: The magnitude of the gravitational force between two bodies of masses m1 and m2 at a distance r apar...

Q: Constants Periodic Table Your car's fan belt turns a pulley at 3.40 rev/s . When you step on the gas...

A:

Q: Calculating focal length and focal length of a drone’s camera so that the length of the bridge on th...

A: In lens, formula for the magnification 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: Charge q1 is -7.97 μC, and charge q2 is 2.83 μC.  How far apart must the two charges be if the force...

A: The magnitude of the force is

Q: Suppose you are riding a stationary exercise bicycle, and the electronic meter indicates that the wh...

A: Angular velocity of the bicycle’s wheel,The radius of the wheel,Time taken,

Q: A block of mass 2.50 kg is pulled 2.20 m along a frictionless horizontal table by aconstant 16.0 N f...

A: The figure is shown below:

Q: A flashlight bulb is rated 2.6 V and 0.30 A.  What is the bulb's resistance?  Round your answer to t...

A: Resistance is,

Q: CHAPTER 9 9-7 Work and Kinetic Energy 9.4 Restoring Forces and the Work Done by a Spring 19. A sprin...

A: Part A:Yes,The given spring obeys Hook’s law because the tension induced in the spring  is linearly ...

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: