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The drawing shows an edge-on view of the solar panels on acommunications satellite. The dashed line specifies the normal tothe panels. Sunlight stikes the panels at an angle with respect to the normal. If the solarpower impinging on the panels is 1900 W when = 72°, what is it when = 37°?
A certain brand of hotdog cooker works by applying a potential difference of 142 V across opposite ends of a hot dog and allowing it to cook by means of the thermal energy produced.How much electrical energy is transferred to thermal energy.
An infinitely long charged wire produces an electric field of magnitude 1.15 103 N/C at a distance of 51.0 cm perpendicular to the wire. The direction of the electric field is toward the wire. What is the charge distribution?
An electromagnetic wave with a frequency of 7.20×10^14Hz propagates with a speed of 2.30×10^8m/s in a certain piece of glass. Find the dielectric constant for glass at this frequency
A large mirror is hung from a nail. The supporting steel wire has a diameter of 0.20 mm and an unstretched length of 1.60 m. The distance between the points of support at the top of the mirror's frame is 1.50 m. The mass of the mirror is 27.0 kg. Wha..
If the spring is not a perfect spring but instead the magnitude of the force exerted by the spring is k times the cube of the amount stretched or compressed
At what speed (m/s) would a 1140-kg car have the same momentum as a 12,600-kg truck traveling at17.8km/hr,What is the car's change in momentum
A charge of -5.0 nC is uniformly distributed around a ring of radius 1.5 m that lies in the yz plane with its center at the origin, Calculate the work done in moving the point charge to the origin
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 4.0 m/s, and an 83 kg p..
Determine the magnitude of door's angular acceleration.
The temperature of 3.00 mol of an ideal diatomic gas is increased by 47.0°C without the pressure of the gas changing. What is the change in the internal energy for the gas
A gun shoots bullets that leave the muzzle with a speed of 341. If a bullet is to hit a target 177 away at the level of the muzzle, the gun should be aimed at a point above the target.
there are two small objects charged that repel each other they both have a force f and are separated by a distance d.
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