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A trained dolphin leaps from the water with an initial speed of 10.2 . The trainer releases the ball at the horizontal distance of 5.47 away and the vertical distance of 4.26 above the water.
Part A What launch angle must the dolphin have if it is to catch the ball?
Part B At what height does the dolphin catch the ball?
Part C What is the minimum initial speed the dolphin must have to catch the ball before it hits the water?
Prior to being placed in its hole, a uniform utility pole of weight 5630 N and length 9.1 m makes some nonzero angle with the vertical. Find the magnitude of the force exerted by the ground on the pole
A particle of rest energy mc^2 is moving with speed v in the positive x direction. The particle decays into two particles, each of rest energy 140 MeV. Find the rest energy of the original particle
An astronaut weighs 275 lbs with equipment here on the surface of the earth. If he goes to a planet where the acceleration of gravity is 12.5 ft/s/s, What will be his mass be there
a farsighted person has a near pont that is 67cm from her eyes. she wears eyeglasses that are designed to enable her to read a newspaper held at a distance of 25cm from her eyes. find the focal length of the eyeglasses
A concave makeup mirror is designed so that a person 26 cm in front of it sees an upright image magnified by a factor of two
The potential in a region between x = 0 and x = 6.00 m has a linear relation, Calculate the potential at the following positions: x = 0, 3.00 m and 6.00 m and also find magnitude and direction
The angular momentum of a flywheel having a rotational inertia of 0.125 kgm2 decreases from 3.0 to 2.0 kgm2/s in a period of 1.5 s. How much work was done on the wheel
Suppose you stand with one foot on ceramic flooring and one foot on wool carpet, making contact over an area of 80.0cm^2 with each foot. Carpet and ceramic are 2.00cm thick and are 10C on their bottom sides.
A long wire is known to have a radius greater than 4.0 mm and to carry a current that is uniformly distributed over its cross section. What is the radius of the wire
Angry Bird is launched horizontally with a slingshot with a speed of 1.87 m/s. If the initial height of the Angry Bird is 20.41 cm, how far away will the target need to be, in meters
A missile of mass 1.10 102 kg is fired from a plane of mass 5.10 103 kg initially moving at a speed of 3.50 102 m/s. determine is the final velocity of the plane
As seen from the window of a space station, a 99.0 kg satellite sailing along at 9.4 m/s collides head-on with a small 286.0 kg asteroid, What is the final velocity of the satellite
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