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Question: Explain why the color temperatures of the sun in bright sunlight and in the shade are different, even though the sun did not change temperature. What are the physical causes of this difference, and which is a better estimate for the sun's temperature?
a rock is thrown straight up with intial velocity of 15.5m/s. what maximum height will the rock reach before starting to fall downward
An 18.0g arrow is fired into a 3.00kg pumpkin suspended on a string. find the velocity of the arrow just before it enters the pumpkin
A -42 nC charge is distributed uniformly along the x-axis from x = -1.1 m to x = 2 m . Consider a point at y = 2.2 m on the y-axis. find the total magnitude of the electric field at the point
Two children are carrying a 2.00-m long uniform level board with a mass 5.00 kg, What is the force applied by the child that is closer to the book to support the board
A homogeneous cylinder of radius 24.0cm and mass 40.0kg is rolling without slipping along a horizontal floor at 8.30m/s. How much work is needed to stop the cylinder
a car moving at 80 km/hr is brought to a stop in 5 seconds. How far did the car travel while stopping
Two objects are maintained at constant temperatures, one hot and one cold. Two identical bars can be attached end to end, as in part a of drawing, or one on top of the other, as in part b. When either of these arrangements is placed between the hot a..
For the venture section, calculate the velocity,mass flow rate, volume flow rate and the pressure at station two (the throat)with the properties of station one are as follows: Pressure is equal to 1.05 Bar, the temperature is recorded at 72 degrees F..
A can of Coke moving 16.6 m/s towards the right(the positive direction) collides with a can of Pepsi moving 3.67 m/s toward the left, what is the final velocity of the can of Pepsi
Two identical guitar strings are prepared such that they have the same length (1.91 m) and are under the same amount of tension, What is the wave propagation speed on the guitar strings
q1. a propeller spins at 1890 revmin.a what is its angular velocity in rads?b what is the angular displacement of
An 91 kg man climbs a 981 m high mountain in 1.01 hour and uses 7.6 kcal/min, Determine the power consumption in watts.
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