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Friday, May 8, 2015
Thursday, May 7, 2015
A Ball is Thrown
1. A ball is thrown downward from a 40 m high building with a speed of 10 m/s. What is the vertical component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
2. A ball is thrown downward from a 40 m high building with a speed of 10 m/s. What is the horizontal component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
3. A ball is thrown downward from a 40 m high building with a speed of 10 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
4. A ball is thrown upward from a 40 m high building with a speed of 10 m/s. What is the vertical component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
5. A ball is thrown upward from a 40 m high building with a speed of 10 m/s. What is the horizontal component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
6. A ball is thrown upward from a 40 m high building with a speed of 10 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
7. A ball is thrown horizontally from a 45 m high building with a speed of 10 m/s. What is the horizontal component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
8. A ball is thrown horizontally from a 45 m high building with a speed of 10 m/s. What is the vertical component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
9. A ball is thrown horizontally from a 45 m high building with a speed of 40 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
10. A ball is thrown horizontally from a 45 m high building with a speed of 10 m/s. This building located on an aliens' planet with the gravity acceleration of 20 m/s². What is the horizontal component of the ball velocity when the ball hits the ground?
11. A ball is thrown downward from a window of a 40 m high building with a speed of 10 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
12. A ball is thrown from the roof of a 40 m high building with a speed of 10 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
13. A ball is thrown from the roof of a X1 m high building with a speed of X2 m/s at an angle of X3 degree with respect to the horizontal. What is the velocity of the ball when it hits the ground? (Use gravity g = 10 m/s²)
2. A ball is thrown downward from a 40 m high building with a speed of 10 m/s. What is the horizontal component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
3. A ball is thrown downward from a 40 m high building with a speed of 10 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
4. A ball is thrown upward from a 40 m high building with a speed of 10 m/s. What is the vertical component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
5. A ball is thrown upward from a 40 m high building with a speed of 10 m/s. What is the horizontal component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
6. A ball is thrown upward from a 40 m high building with a speed of 10 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
7. A ball is thrown horizontally from a 45 m high building with a speed of 10 m/s. What is the horizontal component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
8. A ball is thrown horizontally from a 45 m high building with a speed of 10 m/s. What is the vertical component of the velocity when it hits the ground? (Use gravity g = 10 m/s²)
9. A ball is thrown horizontally from a 45 m high building with a speed of 40 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
10. A ball is thrown horizontally from a 45 m high building with a speed of 10 m/s. This building located on an aliens' planet with the gravity acceleration of 20 m/s². What is the horizontal component of the ball velocity when the ball hits the ground?
11. A ball is thrown downward from a window of a 40 m high building with a speed of 10 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
12. A ball is thrown from the roof of a 40 m high building with a speed of 10 m/s. What is the speed of the ball when it hits the ground? (Use gravity g = 10 m/s²)
13. A ball is thrown from the roof of a X1 m high building with a speed of X2 m/s at an angle of X3 degree with respect to the horizontal. What is the velocity of the ball when it hits the ground? (Use gravity g = 10 m/s²)
Saturday, May 2, 2015
Lab Grade Points
1. The student actively participates in work of his group. The data used in the student's report are obtained in the experiment of his group. 60%
2. Report: The report contains all necessary items, including data, tables, graphs, diagrams and questions with answers. Signs of plagiarism are not detected in the report. 10%
3. Units: Student competently uses physical data in the report, correctly specifies units of measurement in the text, tables, graphs and diagrams. Student reasonably uses the number of significant figures. 10%
4. Structure: The structure of the report conforms to the accepted requirements. Structural parts of the report are presented in a logical order. 10%
5. Questions: Correct answers are given on questions. The report includes short and clear descriptions how solutions were derived. 10%