Physics, 17.01.2021 09:30 jordanrose98
Experiment by hanging your first object (object 1) on the hook. Hold on to the cardboard, and position the
cardboard and string so the object dangles just off the edge of the table. Then let go of the cardboard. If it
moves, stop it when it reaches the edge of the table. Repeat the steps by replacing object 1 with object 2
on the hook. Finally, hang object 1 and object 2 together on the hook and repeat the steps. What do you
observe when you hang different objects from the hook? What happens when two or more objects are on
the hook together?
Answers: 1
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Amira pulls a 3 pound wagon 4 feet. how much work has she done?
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Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
Answers: 2
Physics, 22.06.2019 20:00
Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature
Answers: 1
Physics, 22.06.2019 22:20
The starship enterprise is caught in a time warp and spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral. the 125-g sample was heated to 96.3°c and placed into a calorimeter containing 85.9 g of water at 20.0°c. the heat capacity of the calorimeter was 14.2 j/k. the final temperature in the calorimeter was 24.5°c. what is the specific heat capacity (in j/g°c) of the mineral? enter to 4 decimal places.
Answers: 1
Experiment by hanging your first object (object 1) on the hook. Hold on to the cardboard, and positi...
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