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A flat surface with area 2.2 m2 is in a uniform electric field of 910 N/C. What is the electric flux through the surface when it is at right angles to the field, 45 degrees to the field and parallel to the field?
determine the angle of deviation of a ray by a glass prism with a prism angle of 3o if the angle of incidence of the
What is the net upward force on an airplane wing of area 21.9 m2 if the speed of air flow is 293 m/s across the top of the wing and 278 m/s across the bottom
White light is incident on a soap film (n = 1.29) in air. compute the minimum thickness of the soap film
Physics - Classical Mechanics : explained, A student could either pull or push, at an angle of 300 from the horizontal, a 50-kg crate on a horizontal surface, where the coefficient of kinetic friction between the crate and surface is 0.20. The cra..
A 0.38 kg iron horseshoe that is initially at 580°C is dropped into a bucket containing 21.8kg of water at 21 °C. What is the final equilibrium temperature (in °C)? Avoid any heat transfer to or from the surroundings. Do not enter units.
A(n) 84 g arrow is fired from a bow whose string exerts an average force of 110N on the arrow over a distance of 80cm. What is the speed of the arrow as it leaves the bow.
The heat of fusion for water is 80. cal/g. How various calories of heat are released when 20.0 g of water at 30. °C is cooled to 0 °C and frozen to ice at 0 °C
what force is needed to pull a 150 pound sled along a horizontal surface? The coeficient of kinetic friction is 0.10 and the sled is pulled by a rope that makes the angle of 0 degree with the horizontal. There is no acceleration.
A 31-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, How high does she rise during this interval
A potential difference of 5.80 V will be applied to a 35.00 m length of 18-gauge tungsten wire, Calculate the rate at which thermal energy will appear in the wire
What is the radius of the circular track?
Helicopter blades withstand tremendous stresses. Calculate the centripetal acceleration at the tip of a 4.00 m long helicopter blade that rotates at 300 rpm
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