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A hawk flies in a horizontal arc of radius 11.7 m at a constant speed 3.90 m/s.
(a) Find its centripetal acceleration.
1Your answer is correct. m/s2
(b) It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.40 m/s2. Find the acceleration in this situation at the moment the hawk's speed is 3.90 m/s.magnitude 2Your answer was incorrect, but has changed from what was graded. Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s2 direction 3° from the direction of velocity towards center of the circle
determine the resultant displacement graphically.what is the magnitude of repulsive force pushing these two spheres apart.
determine the force exerted by the wood on the bullet.
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Compute the force that acts on a square access hatch at the bottom of the tank that measures 0.25m by 0.25m.
The ground state energy of a harmonically oscillating electron is 1.24 eV. How much energy should be added to the electron to move it to the second excited state.
What are magnitude and direction of the force
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If, on other hand, she first kicks it to player 2, who then kicks it into the net, the ball undergoes two successive displacements, y and x. What are the magnitude and direction of x and y.
Two charges, -15 and +3.7 µC, are fixed in place and separated by 2.8 m. (a) At what spot along a line through the charges is the net electric field zero? Locate this spot relative to the positive charge. (Hint: The spot does not necessarily lie b..
Coherent light with wavelength of 602 passes by two very narrow slits and the interference pattern is observed on a screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright..
A 52.0 skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.90. What speed does he need at the bottom.
How much work did the movers do pushing a 160 kg crate 10.3 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50.
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