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If Earth were flat and oriented at right angles to incoming solar radiation (insolation), what would be the latitudinal distribution of solar energy at the top of the atmosphere?
A cannon ball is fired at an angle of 22 above horizontal with an initial speed v0 = 300 m/s, reaching a maximum height h before hitting the ground. What is the maximum height h reached by the ball
A 45.0 kg girl is standing on a 150 kg plank. The plank,originally at rest, is free to slide on a frozen lake, which is aflat, frictionless surface. What is her velocity relative to the surface of the ice
Two horizontal curves on a bobsled run at the similar angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius to curve is v. What is the safe speed on the larger radius curve.
A rectangle measuring 30.0 {rm cm} by 40.0 {rm cm} is located inside a region of a spatially uniform magnetic field of 1.30 T, with the field perpendicular to the plane of the coil. The coil is pulled out at a steady rate of 2.00 {rm{ cm/s}} travelli..
Purchase new automated equipment that will change the proportion between variable and fixed costs to 40% variable and 60% fixed. Determine the selling price per unit. Calculate the break-even point in dollars for 2011.
for uniform circular motion describe how the speed velocity and acceleration change with time. for each vector quantity
If 5.0 ´ 1021 electrons pass through a 20-W resistor in 10 min, what is the potential difference across the resistor
A book is placed on a level floor. Is it true that the gravitational force (Fg) on the book by the earth and the normal force Fn on the book by the floor constitute an action-reaction force pair with Newton's 3rd law? Describe.
q1. two ocean liners each with a mass of 38000 metric tons are moving on parallel courses 92 m apart. what is the
a girl is sledding down a slope that is inclined at 30ordm with respect to the horizontal. the wind is aiding the
Determine what is the width of a ball of mass 55.0 kilogram, Find the magnitude of the gravitational force acting on it
a mass of 0.40 kg hanging from a spring with a spring constant of 80.0 nm is set into an up-and-down simple harmonic
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