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Q. At t=0, a proton is moving with a speed of 5.8×105 m/s at an angle of 30 degrees from the x-axis, as shown in the figure. A magnetic field of magnitude 1.8 T is pointing in the positive y-direction.What will be the y-coordinate of the proton 15 microseconds later?

Q. What is the greatest mass of groceries that can be safely placed if the bag is being lifted upwards with an acceleration of 1.41 m/sec2?

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