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We have a small Estes rocket at home that we have taken to a field to launch vertically upward. When the fuel cylinder is ignited, the rocket accelerates at 15.0 m/s2 upward. The fuel runs out after 2.0 seconds.
A. What is the force exerted by the rocket during the first 2 seconds?
B. How much work does the rocket engine do on the rocket?
C. What is the maximum height of the rocket?
When yellow light from a sodium lamp shines on a certain photocell, What potential would be needed to stop the electrons if light with 4000 A is used
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To estimate the muzzle speed of a blow dart, fire dart straight up into the air and time how long it takes to come back down. Roughly half of that time is the time for object to decelerate from its initial velocity to motionless. Estimation the in..
A charged particle of mass m and charge q is suspended from a light thread in a region of space where there is a uniform horizontal electric field. find the angle between the thread and a vertical line
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One skater throws a .3 kg ball at 5 m/s to his friend, who catches it and throws it back at 5 m/s. When the first skater has caught the returned ball, Illustrate what is the velocity of each of the two skaters?
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A wire has a length of 6.63 Ã- 10-2 m and is used to make a circular coil of one turn. compute the maximum torque that this coil can experience
Write at least one paragraph in which you define focal length, object and image distance and magnification. Explain the difference between real and virtual images
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