What speed does he need at the bottom
Upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.50 . What speed does he need at the bottom?
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given by B=0.003i + 0.004j + 0.002k, where i, j, k are the unit vectors along the cartesian coordinate axes') in units of Tesla. Calculate the y-component of the magnetic force acting on a segment of wire of length L = 20.5 cm.
The burning of gasoline in a car releases about 3.0 × 10^4 kcal/gal. If a car averages 43 km/gal when driving 90 km/h, which requires 20 hp, what is the efficiency of the engine under those conditions?
If the magnitude of the field just outside the inner conductor is 660 N/C, what is the magnitude of the field just inside the outer conductor?
What is the effectiveness of such global treaties as The Kyoto Agreement to alleviate global environmental issues (global warming, acid rain, etc.). Should the United States take a more active role in these agreements?
To increase the range of the water, Isabella places her thumb on the hose hole and partially covers it. Assuming that the flow remains steady, what fraction f of the cross-sectional area of the hose hole does she have to cover to be able to spray
The plates are separated by 6.00 cm. If the thread makes an angle of 17.0° with the vertical, what is the potential difference between the plates?
What is emissions trading? What are the relative impacts on both wealthy and poorer nations? Do you believe carbon tariffs for countries such as China are necessary? Would they work?
A small turbo-prop commuter airplane, starting from rest on a Tallahassee airport runway, accelerates for 20.5 s before taking off. Calculate the acceleration of the plane, assuming it remains constant.
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