Physics, 15.06.2021 23:20 cookies1164
A book self is 1 metre above the floor. As a book falls from the shelf to the floor it loses 7.5j of gravitational potential energy. How much kinetic energy does the book have just before it hits the floor?
Answers: 3
Physics, 22.06.2019 00:40
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 1
Physics, 22.06.2019 23:00
Identify the type of heat transfer occurring when chocolate melts in your hand
Answers: 1
Physics, 23.06.2019 00:30
Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap
Answers: 2
A book self is 1 metre above the floor. As a book falls from the shelf to the floor it loses 7.5j of...
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