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A snowboarder on a slope starts from rest and reaches a speed of 1.1 m/s after 8.2 s.
(a) What is the magnitude of the snowboarder's average acceleration? m/s2
(b) How far does the snowboarder travel in this time?
A shop sign weighing 245-N is supported by a uniform 155-N bean. Find out the tension in the guy wire, and the horizontal and vertical forces exerted by the hinge on the bean.
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What is the angular acceleration of the turntable
Write a 1200-1500 word report on the following: What does the US-EPA consider to be hazardous waste? Are there any discrepancies in the regulations?
The model airplane in Figure 5.6 is flying at a speed of 14.5 m/s on a horizontal circle of radius 18.1 m. The mass of the plane is 0.801 kg, What is the net work done on the plane
The identical twins Speedo and Goslo join a migration from the Earth to Planet X. It is 20.0 light-years away in a reference frame in which both planets are at rest. T
What are the strength and direction of the electric field at the position indicated by the dot in the figure below, in which q = 3 nC, d = 11 cm, and the positive x-axis points to the right?
A Carnot air conditioner takes energy from the thermal energy of a room at 294 k and transfers it as heat to the outdoors, which is at 309 k. for eacg joule of electric energy needed to operate the air conditioner, how many joules are removed from..
q1. a steel ball of mass m is released from rest at point p. it follows a smooth curved rail to point q and finally
a 55 g particle is moving to the left at 11 ms. how much work must be done on the particle to cause it to move to the
A 0.25 kg skeet (clay target) is fired at an angle of 28 degrees to the horizontal with a speed of 25.0 m/s, How much higher, h, does the skeet go up
Two stationary positive point charges, charge 1 of magnitude3.40 nC and charge 2 of magnitude 2.00 nC, are separated with a distance of 45.0 cm. An electron is released from rest at the point midway among the two charges, and it moves along the line ..
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