What is the speed of the wooden ball
A 2-kg metal ball moving at a speed of 3m/s strikes a 1-kg wooden ball that is at rest. After collision, the speed of the metal ball is 1m/s. Assuming momentum is conserved, what is the speed of the wooden ball?
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An airplane must reach a speed of 199 mi/h to take off. If the runway is 470 m long, what is the minimum value of the acceleration that will allow the airplane to take off successfully?
Explain the Argument From Design and discuss Hume's criticism of it. Does Hume think the criticisms to be fatal to the argument? Doyou think them to be fatal to the argument?
The lowest lying excited state of sodium is 2.104 eV above the ground state. Given that Planck's constant is 4.135x10 (to the negative 15 pwr.) eV/Hz, what color of light do you expect sodium atoms to give off?
A vertical electric field of magnitude 2.00 ×10^4N/C exists above the Earth's surface on a day when a thunderstorm is brewing .A car with a rectangular size of 6.00m by 3.00m is traveling along a dry gravel roadway sloping downward at 10.0°.
Describe the construction of a electromagnetic velocity sensor and explain its working. In a bike speedometer the wheel diameter is 80cm what is the frequency of velocity sensor, which gives 1 pulse per rotation of wheel at a speed of 80Km/H?
Starting from rest a boat increases its speed to 4.00 m/s with constant acceleration. What is the boats average speed?
A 1-L flask is filled with 1.45g of argon at 25 °C. A sample of ethane vapor is added to the same flask until the total pressure is 1.10atm. What is the partial pressure of argon, PAr, in the flask?
A wheel with a radius of .3m accelerates with a constant angular acceleration of 5.5 rad/s*. If the initial angular velocity is 6 rad/s, how many revolutions does a wheel make in 5seconds?
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