SOS PHYSICS FINAL EXAM /
STRATEGIES REVIEW OF KEY
QUIZZES & CORRECT ANSWERS.Quiz____?The prefix giga represents? - Answer✓✓
1,000,000,000
Quiz____?
6.94 x 10^3 mm- 4.5 x 10^2 mm - Answer✓✓ 6.5 x 10^3 mm Quiz____?
3.981 g + 5.05 g - Answer✓✓ 9.03 g Quiz____?
9.7 x 10^7 km NE - Answer✓✓ Vector Quiz____?3,250,000s - Answer✓✓ 37.6 days
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Quiz____?A football player receives a kick at the opponent's 30-yard line. He scrambles back and forth, left and right, but ends at the same spot he caught the ball. The player, therefore, ( did not, did) move a certain distance. - Answer✓✓ Did Quiz____?What is the average speed ( in km/h) of Zhana, who runs to the store that is 4.0 km away in 30.0 minutes? - Answer✓✓ 8.0 km/h Quiz____?If a skier skis down the hill at 70.0 km/h for 20.0s, and then skis up a slope at 15.0 km/h for 10.0s what is the skier's average velocity? - Answer✓✓ 41.6 km/h downhill Quiz____?How long does a car with an acceleration of 2 m/s^2 take to go from 15 m/s to 35 m/s? - Answer✓✓ 10s Quiz____?Can an object move in a circular path without being accelerated? - Answer✓✓ No
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Quiz____?The radius of the path of an object in uniform circular motion is halved.The centripetal acceleration needed, given that its speed remains the same, is? - Answer✓✓ Twice as great as before Quiz____?A runner is moving at a constant speed of 8.00 m/s around a circular track. If the distance from the runner to the center of the track is 28.2 m,what is the centripetal acceleration of the runner? - Answer✓✓ 2.27 m/s^2 Quiz____?If a wheel falls from an airplane that is flying horizontally at an altitude of 500 m, how long will it take for the wheel to strike the ground? - Answer✓✓ 10s Quiz____?A ball is thrown vertically upward. What is the acceleration right before it hits the earth? - Answer✓✓ It remains constant.Quiz____?A 430 g football is lying on the ground, then is kicked and is moving at 25 m/s. If the duration of the impact was 0.0010 s, what was the average force on the ball? - Answer✓✓
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