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A speedboat moves on a lake with initial velocity vector V1x= 9.27m/s and V1y= -2.83m/s, then accelerates for 5.79s at an average acceleration of Ax= -0.106m/s^2 and Ay= 0.105m/s^2. What are the components of the speedboat's final velocity, V2x and V2y? What is the speedboat's final speed???
Gas is confined in a tank at a pressure of 11.9 atm and a temperature of 23.0°C. If two-thirds of the gas is withdrawn and the temperature is raised to 76.0°C
A Styrofoam box has a surface area of 0.83 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam.
The difference in electric potential between a thunder cloud and the ground is 1.58 108 V, Determine the change in electric potential energy of one of the electrons that move to the cloud
As a positron moves through a region of space, its speed increases from 2.80 X10^6 m/s to 8.00 X10^6 m/s. The electric force is the only force acting on the positron. Across what potential difference did the positron travel?
Jane looking for tarzan, is running at top speed (5.7m/s) and grabs a vine hanginf vertically from a tall tree in the jungle. How high can she swing upward
A tank of water sits at the edge of a table of height 1.6 meter. The tank springs a very small leak at its base, and water sprays out a distance of 1.1 meters from edge of the table. What is the water level in the tank.
Find the smallest particle size (density 2.65 grams per cubic cm) that will be removed in a horizontal grit chamber 10 meters long and 1.0 meter deep if the flow rate is 1000 cubic meters per hour. Suppose temperature is 25 ºC.
You are to build a box whose height is 0.280 times its length. what should be the ratio of the width of the box to its length
Find out d, the distance between the photogates, using the times and glider length. There is two ways to find this for the up and down directions.
15. An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 265 N. find the density of the object
A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. It takes the object0.150 s to complete one revolution, What is the translational speed of the object
A woman at an airport is towing her 14.0-kg suitcase at constant speed by pulling on a strap at an angle, What is the magnitude of the normal force that the ground exerts on the suitcase
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