A rubber stopper on the end of a string is swung steadily in a horizontal circle. In one trial, it moves at speed v in a circle of radius r. In a second trial, it moves at a higher speed 3v in a circle of radius 3r. In this second trial, its acceleration is which of the following?  1.the same as in the first trial 2.three times larger     3. one-third as large 4. nine times larger 5. one-ninth as large

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A: We know that the coefficients of static and kinetic friction between the 476 N crate  and the wareho...

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A: F= (mv-mu)/t  m= 62.5kg  t = 0.05sec  v= 0m/s  u= 21.9m/s 

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A: Given Data Initial Velocity u = 75 Km/h   Final Velocity v =115 Km/h  Time t = 5 sec Acceleration A ...

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A: The graph is plotted with force, F, against 1/r2, where r is the distance between two charges q1 =10...

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A: Given that:- Pressure=P=793torr Temperature=T=44°C

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A: We are authorized to answer one question at a time, since you have not mentioned which question you ...

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Q: a. How much energy in joules is required to move a charge of 12 mC through a difference in potential...

A: charge (q) = 12 mC Potential difference (q) = 6 volts   

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A: Given Information:- Initial speed of the arrow is v0=28 m/s Required:- We need to calculate the maxi...

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A: The charges are of opposite signs so there is attraction between the charges ,so we will have apply ...

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Q: In the Figure below, find (a) the current in each resistor and (b) the power delivered to each resis...

A: V1 = 18 volts R1 = 8 ohm R2 = 5 ohm R3 = 11 ohm R4 = 7 ohm R5 = 5 ohm V2 = 12 volts V3 = 36 volts  

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A: Write Coulomb’s law using vector notation: F→2=F→21+F→23=-kq1q2d2x∧+kq1q3d2x∧  

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A: Given that:- In question 1:- we have to choose the incorrect statement. In question 2:- we have to f...

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Q: Annotate the IR spectra by labelling each of the major peaks as a functional group.

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Q: technology

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A: Here the vector and the angle with the x-axis are provided and we have to find the x scalar componen...

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Q: Consider the two vectors A^ = 2i^ - 2j^ and B^ = i^ - 5j^ Calculate a.) A^ + B^ b.) A^ + B^ c.) |A^ ...

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Q: The beam ham m=10kg and L=2m, it is moving with a velocity shown on the drawing, v=0.1 m/s. Find kin...

A: KE , when (alpha)=0 , the value will be  1/2 * m1 * v^2=0

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A: Speed is the distance traveled per unit of time. Here, we calculate  the given  as follow;

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Q: ). A 1200 kg car is moving at 30 m/s and hits a wall. The car takes 0.25 s to come to a stop. How mu...

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A: Simple Harmonic motion: Periodic Motion : Any motion which repeats itself in equal intervals of time...

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Q: Part A In (Figure 1), take qi = 29 µC and q2 = 16 µC. The force on q1 points in the -x-direction. Fi...

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A: Given force F=102N and force applied at point L =1.99m We have to find the torque.

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Q: 47. • The electric potential has a value of -200 V at a dis- tance of 1.25 m from a point charge. Wh...

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