A student drops a pen from a classroom window on the fifth floor of the mathematics building. If the pen is dropped from 61 ft above ground level, how long is the pen in the air? Use -32 ft/s² for the acceleration caused by gravity. Ignore air resistance. Round your final answer to two decimal places. Answer S Keypad Keyboard Shortcut

A student drops a pen from a classroom window on the fifth floor of the mathematics building. If the pen is dropped from 61 ft above ground level, how long is the pen in the air? Use -32 ft/s² for the acceleration caused by gravity. Ignore air resistance. Round your final answer to two decimal places. Answer S Keypad Keyboard Shortcut

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section: Chapter Questions

Problem DM

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KEY TERMS 1. physics (intro) 2. position (2.1) 3. motion 4. scalar (2.2) 5. vector 6. average speed 7. distance 8. instantaneous speed 9. average velocity 10. displacement 11. instantaneous velocity 12. acceleration (2.3) 13. average acceleration 14. acceleration due to gravity 15. free fall 16. terminal velocity 17. centripetal acceleration (2.4) 18. projectile motion (2.5) For each of the following items, fill in the number of the appropriate Key Term from the preceding list. b. _____ Difference between final and initial velocities divided by time
The leaning tower of Pisa is 57 m tall. Supposedly Galileo investigated the behavior of falling objects by dropping them from the top of this tower and timing their descent. How long would it take an object to fall 57 m if air effects are negligible? Express your answer in 2 decimal places and in seconds.
The leaning tower of Pisa is 57 m tall. Supposedly Galileo investigated the behavior of falling objects by dropping them from the top of this tower and timing their descent. How long would it take an object to fall 57 m if air effects are negligible? Express your answer in 2 decimal places and in seconds. with graph
Use a(t) = −9.8 meters per second per second as the acceleration due to gravity. (Neglect air resistance.) A canyon is 600 meters deep at its deepest point. A rock is dropped from the rim above this point. How long will it take the rock to hit the canyon floor? (Round your answer to one decimal place.) __________ sec
To determine the height of a bridge above the water, a person drops a stone and measures the time it takes for it to hit the water. If the height of the bridge is 68.88 m, how long will it take for the stone to hit the water? Neglect air resistance. Express in seconds.
You are on the roof of a Physics Building, 51 m above the ground. Your physics professor, who is 1.84 m tall, is approaching the building at constant speed of 1.19 m/s. If you wish to drop an egg on his head, how far should your professor be when you release the egg? Do not round the answer. Put all the decimals.
A stone of is dropped from a height of 50 meters with zero velocity. Assuming no air resistance, determine the time (in seconds) required for the stone to hit the ground. Use g=9.8 m/s2 (Round answers to 2 decimal places, no units needed)
A cannon ball is launched into the air with an upward velocity of 336 feet per second, from a 14-foot tall cannon. The height hh of the cannon ball after tt seconds can be found using the equation h=−16t2+336t+14h=-16t2+336t+14. A) What was the initial height of the cannon ball? feet B) How many seconds will it take for the cannon ball to hit the ground? seconds {Round to 3 decimal place.}
Using the average time, calculate the acceleration due to gravity using the following:g = (2 x 3.048 meters) / (0.81 seconds)2 where the height in meters and time in second
A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m higher than the bow of the boat. If the rope is pulled in at a rate of 1 m/s, how fast is the boat approaching the dock when it is 5m from the dock? (Round your answer to two decimal places.) Om/s
How high (in ft.) will a ball rise if is tossed vertically upward with a speed of 100 ft/s? Hint: 1 inch = 2.54 cm.
1. According to Jules Verne, the Nautilus traveled 20000 leagues under the sea. If it took 1082 days to do this, then what was the submarine's average speed in meters per hour? (1 league = 5556 meters)