A car is being pulled bu Alex, bARBBARA, and charles as shown in the diagram. How hard must chargles pull to make the car move along the x-axis? A) 21 N B) 40 N c) 71 N d) 240 N e) 55 N

Q: 4. A raft is made of 12 logs lashed together. Each is 30.5 cm in diameter and has a length of 6.00 m...

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Q: Actual value of moment of inertia of disk: (13) Mass of Disk, MpiSK = 1414.1 g Radius of Disk, RpiSK...

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Q: A 9.6 cm focal length converging lens is used to magnify small newspaper print 2 mm high. Calculate ...

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Q: does a Geiger tube count all the radiation being emitted from a sample

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Q: 3. Find the distance from axis A to the weights. By 2nd condition of equilibrium 7 m A A В v Wz= 18N...

A: Total length = 7  m W1 = 18 N W2 = 10 N Let the distance of W1 from axis A = d Distance of W2 from a...

Q: The discharge of the electric eel can transfer a charge of 2.0x10-3C in a time of 2.0 ms. What curre...

A: Given, Charge transfer(q)=2×10-3C Time (t)=2ms= 2×10-3s  

Q: 3) Atmospheric pressure on the peak of Mt. Everest can be as low as 150 mm Hg, which is why climbers...

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Q: A steel wire having a radius of 2.0 mm, carrying a load of 4kg, is hanging from a ceiling. Given tha...

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Q: What is the sound intensity level in decibels of ultrasonic intensity (-W/m 105) used to destroy tis...

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Q: Calculate the temperature at which the average K.E. of a molecule of a gas will be the same as that ...

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Q: If the velocity of blood flow in the aorta was (m/s 0.32), what pulse frequency would you expect if ...

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Q: y (m) C (5.00, 5.00) B x (m) A The force acting on a part F = 2(xy) î

A: Given: Force acting on the particle, F = 2(xy) Î

Q: 21.A long, straight wire allows 3.50 A through it. What is the magnitude of the magnetic field 25.0 ...

A: Q 20) As for this problem, we have the following information. Number of turn = N = 1550 Magnetic fie...

Q: 3. A bullet of mass m 6.00 g is fired with an initial velocity of 600 m/s into a block of mass M =30...

A: As the bullet sticks in the block and moves along with it, the collision is an inelastic one. In an ...

Q: Part B A box with mass 12.0 kg moves on a ramp that is inclined at an angle of 55.0° above the horiz...

A: Given:m=12.0kgθ=55°μ=0.30F=160.0 N

Q: A cyclotron with a magnetic field of 1.2 T is used to accelerate protons. How long does it take the ...

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Q: instant and travel along a straight track. Car A accelerates at a rate of 6.6 ft/s2 until it reaches...

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Q: In a hydrogen atom the electron is at a distance a = 5.28 x 10-" m from the nuclcus, which consists ...

A: distance of electron from nucleus (a) = 5.28×10-11 m charge on electron = -1.6×10-19 C charge on pro...

Q: 3. Find the distance from axis A to the weights. By 2nd condition of equilibrium 7 m А C A В W1= 18N...

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Q: What is transitional element? Why does the presence of unpaired electrons make a substance paramagne...

A: Transition elements are the elements which contains partially filled d-subshells in their ionic stat...

Q: Three objects with masses m, = 3.4 kg, m, = 13 kg, and m2 = 20 kg, respectively, are attached by str...

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Q: Separation .108 The velocity distribution over the surface of a sphere up- tream of the separation p...

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Q: The cord from an appliance is too short to reach the wall outlet in your room. You have two extensio...

A: Part (a): Given: The resistance of the wire is 0.0700 Ω. The current is 5.8 A.

Q: In a certain men’s track and field event, the shotput has a mass of 7.30 kg and is released with a s...

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Q: 1) Below are three illustrations showing the direction of the magnetic force Fg and velocity vof mov...

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Q: Fed the focal engh of the glass lens in the fgure Eoure 1) Take R 22 cm and Ry40 cm

A: We know that the lens maker formula as  1f= μ-11R1-1R2 f is the focal length  R1 and R2 is the radiu...

Q: one is thrown vertically upward and return to the earth in 12 seconds. a.       Calculate the initi...

A: We know that the first equation of motion in the  terms of acceleration of gravity is given as  v= u...

Q: An object is placed 10 m before a convex lens with focal length 5.2 m . Another concave lens is plac...

A: Focal length of convex lens f=5.2 m, object distance u=-10 m (Negative because to the left of the le...

Q: An object of mass 2kg has a velocity of (i4+ j-3)m/s. it is acted upon by a force and its velocity c...

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Q: Q 15) Duningjogging the velocity of blood flow is about (cm/s (10) inthe aorta, what is the kinetic ...

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Q: 8. A large container, 108 cm deep is filled with water. If a small hole is punched in its side 81.0 ...

A: Answer:-  Given  Acceleration due to gravity (g) = 9.8 m/s2  Height of small hole punched in its sid...

Q: 1. In the figure below, q1 = q2 = 2 µC and q3 = q4 = 4 µC. Determine the electric potential at point...

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Q: A metal wire of mass m = 24.1 mg can slide with negligible friction on two horizontal parallel rails...

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Q: 1. Find the tensions in each rope 450 60° 200N

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Q: Three electrolytic capacitors are in a series connection. 4µF + + C2 3µF C3 6µF Solve for: Cт, Qт, U...

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Q: Calculate the horizontal force F that should be applied to the 100 lb weight shown so that the cable...

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Q: 2. Electric Q charge is distributed uniformly along a thin rod of length a. Take the potential to be...

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Q: cohesion, then the liquid wets the container *: the curvature of the surface of the liquid will be O...

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Q: Three charged particles lie on an x axis. Particles 1 and 2 are fixed in place, while particle 3 is ...

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Q: A bullet of mass 11.7 g is fired into an initially stationary block and comes to rest in the block. ...

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Q: one more time. This time the magnet has mass 6.38 kg and the force pulling it to the right is 68.4 N...

A: This time the magnet has mass m = 6.38 kg and the force pulling it to the right is F = 68.4 N.  The ...

Q: A particle moving at a velocity of 4.0 m/s in the positive x direction is given an acceleration of 3...

A: initial velocity (u) = 4 ms , along + x direction acceleration (a) = 3 ms2 , along +y direction time...

Q: A magnet of mass 5.62 kg is suspended from the ceiling by a cord as shown. A large magnet is somewhe...

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Q: Suppose 0.1 kg ice at 0 Celsius (273K) is in 0.5kg water at 20 Celsius (293K). What is the final tem...

A: We have mass of ice m1=0.1 kg at a temperature T1=273 K and water of mass m2=0.5 kg and temperature ...

Q: A 0.0450-kg golf ball initially at rest is given a speed of 25.0 m/s when a club strikes. If the clu...

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Q: Suppose three identical charges q1=92=93=15 µC are placed on the corners of a right triangle. Our go...

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Q: It is known that the alpha particle He, has two protons and neutrons. If the masses of the protons a...

A: Known values:Mass pf proton: mp=1.0073 amuMass pf neutron: mn=1.0087 amuMass of alpha particle, mα=4...

Q: A bullet of mass 11.7 g is fired into an initially stationary block and comes to rest in the block. ...

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Q: On a level ground, a meter sticks and a building cast shadows of 1.8 m and 90 m respectively. What i...

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Q: he point charge 6µC located at T(5,3,4) in free space. Find Eρ, E∅, Ez at P(6, 10, 3)

A: Given data- Charge q=6 μC=6×10-6 C Point T5,3,4 and P6,10,3 Given co-ordinates of electric field is ...

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”