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-A sailboat with a mass of 2.1* 10^3 kg experiences an ocean current force of 3.45*10^3 N directed to the and a wind force against its sails with a magnitude of 6.53*10^3N directed toward the northwest(45.0 degrees N or W) what is the magnitude of the resultant acceleration of the boat?
-Two ice-hockey players simultaneously strike a puck with their sticks. The stick of one player exerts an eastward force on the puck of 15N. The other player's stick exerts a northward force of 11N on the puck. Assuming that there is no frictional force between the puck and the ice. what is the magnitude of the net horizontal force on the puck?
-An elevator weighing 2.58*10^5 N is supported by a steel cable.What is the tension in the cable when the elevator is accelerated upward at a rate of 3.33 m/s^2?
-A wagon having a mass of 91 kg is accelerated across a level road at .97m/s^2 what net force actson the wagon horizontally?
How much time does the ball spend in the air. What is the speed v of the ball just before it strikes the water.
A space traveler weighs 130 pounds on earth. What would the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth.
A bullet of mass 8.80 x 10-3 kilogram, moving at 1250 m/s impacts a tree stump and penetrates 4.00 centimeter into the wood before coming to rest. determine how far would it penetrate into the wood
Calculate the minimum amount of energy, in joules, required to completely melt 102 g of silver initially at 42.0°C. The melting point of silver is at 962°C.
A 2.0kg wood block is launched up a wooden ramp that is inclined at a 35 degree angle. The block's initial speed is 10 m/s. What vertical height does the block reach above its starting point
Two conductors made of the same material are connected across the same potential difference. Conductor A has twice the diameter and twice the length of conductor B. What is the ratio of the power delivered to A and to the power delivered to B?
You are interested in obtaining information about the performance of students in your statistics class and seeing how this performance is affected by several factors such as sex.
you can use any coordinate system you like in order to solve a projectile motion problem. to demonstrate the truth of
NASA launched the Near Earth Asteroid Rendevous (NEAR), which,after traveling 1.3 billion miles, What will be the peroid of NEAR as it orbits Eros
An electron that has energy of approximately 8.0e+01 eV moves between rigid walls 1.3 nm apart. Discover the quantum number n for the energy state that the electron occupies. Discover the precise energy of the electron.
Two 2cm disks spaced 2.0mm apart form a parallel capacitor. The electric field between the disks is 5.0x10^5 v/m. What is V across capacitor? How much charge is on ea disk? An e- is launched from the negative plate at a sped of 2.0x10^7 m/s. What ..
The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 75.0nC. What is the area of each plate
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