A disk of radius 12 cm, initially at rest,begins rotating about its axis with a constant angular acceleration of 3 rad/s². After 5 s, what are the angular velocity of the disk?

Q: A student performs an experiment in which a fan unit is mounted on a cart that also has a friction…

A: The force exerted on the cart by the fan unit is towards the right which is trying to move the cart.…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: g) Now compute the torque on the loop using the standard formula ton loop = pxB, where u = iA is the…

A: Torque = μ x B μ = Magnetic moment μ = i A   Direction of magnetic moment find with help of curl our…

Q: A car travels due eat with a speed of 340 kmh Raindrops are falling a constant speed vertically to…

A: Relative velocity can be defined as the velocity of an object with respect to another object. It…

Q: Calculate the electric force on a charge, q near two charges, +Q and -Q, as shown in (a) and (b).…

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Q: In the Bainbridge mass spectrometer (see Figure 27.24 in the textbook), the magnetic-field magnitude…

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Q: 9. Newtonian mechanics are valid a) in all frames of reference b) in relativistic frames of…

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Q: Find the resistance between the points a and b for the network shown in the figure, if R1 = R2 = R3…

A: Given:-  R1=R2=R3=2ΩR4=R5=3 Ω Find:-  The resistance between the point a and b

Q: The figure shows a parallel-plate capacitor of plate area A = 10.7 cm² and plate separation 2d= 6.92…

A: The capacitance of a parallel plate capacitor with dielectric between its plate is given by   where…

Q: (c) Using your answer from the previous part, roughly how much kinetic energy (in Joules) was…

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Q: . 26- Show that if the magnitude of a vector A is constant then A dà dt = 0. (Hint: A A = A²)

A: Since you have posted multiple questions according to guidelines i will solve only the first one.

Q: A particle moves along a straight line with equation of motion s = f(t), where s is measured in…

A: Given that,velovity =vspeed= stime, t=4 ss=f(t)=18+30t+1

Q: a How long does the defender have to react to the puck? (i.e. How long does it take to travel 3…

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Q: 15. A 1500-kg car making a turn on a dry banked highway ramp with angle of inclination of 10° is…

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Q: Question 4 Water is flowing without friction through a pipe. At the beginning of the pipe the water…

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Q: N 5. The deepest point of Lake Superior is approximately 416 metres. To what pressure would you be…

A: Given:   Maximum depth of lake, dmax = 416 m   To Find:  It is required to determine the pressure at…