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A soccer goal, found in a city park, is made of tubing that supports an odd shaped hanging net behind the goal, but has a rectangular opening in front. The height of the opening is 2.5 m and the width is 3.2 m. If a uniform E-field, with a magnitude of 0.1 N/C, passes through the goal from the front to the back, entering at 90º to the plane of the goal opening, Calculate the flux through the net? Also, calculate the flux through the net if the E-field enters the goal at a 60° angle to the plane of the front of the goal. In both cases, assume that there is no charge found inside the goal itself.
A negatively charged object is brought close to an electroscope but does not touch. After a while you remove the charged object. What was the charge on the gold leaves while the object was close to the electroscope and what was the charge after the object was removed?
F = (-3.0 x 10 12 N) i+ (5.0 × 10- N)j
is applied to the proton. What is the angle between the applied force and the resulting acceleration of the proton?
electric charge, and suppose that there is no gravitational force. In what way will the
motions of the planets predicted by this "electric" model of the Solar System differ from
the observed motions?
What is the the most complex and energy consuming characteristic of living things?
Give 5 points to support your answer.
if ADZ is parent atom and E is the daughter atom of an element write a balanced nuclear reaction to indicate an alpha particle emission
