How fast is the cannonball going when hitting the balloon
A cannonball shot with an initial velocity of 143 m/s at an angle of 56° follows a parabolic path and hits a balloon at the top of its trajectory. Neglecting air resistance, how fast is the cannonball going when it hits the balloon?
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A soccer player 'heads' a size 5 ball deflecting it by 46.0°, and keeps its speed of 15.90 m/s constant. A size 5 ball has a mass of approximately 0.421 kg. What is the magnitude of the impulse which the player must impart to the ball?
When the power switch is turned off, you observe that the wheel stops in 45.0 s with constant angular acceleration due to friction at the axle. What torque does friction exert while this wheel is slowing down.
To what degree can we predict their behavior? Give an example of a situation in which the prediction is simple and one in which it is difficult or impossible.
Write a Java program which computes the Salary for a given number of employees. The program prompts user to enter n the number of employees
How significant was the McCarthyism in the lives of American people in the 1950's?
In any sensory system (sound, light, chemical), the lower limit of detection is often determined by the "background' noise level" of the sensory system. One could think of this as signals that are generated by the sensory system in the absence of any
Whats the difference between prokaryotes and eukaryotes; mode of reproduction, number of chromosomes, and shape of bacterial chromosome?
In Daniel Tanner's 4th Ed. Curriculum Development Theroy into Practice, Chapter 2, question 1: Why was Dewey's laboratory school at turning point in curriculum thought and educational improvement?
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