Physics, 21.07.2019 22:10 georgesarkes12
Question a smoke jumper jumps from a plane that is 19001900 ft above the ground. the function h equals negative 16 t squared plus 1900h=−16t2+1900 gives the jumper's height h in feet during the free fall at t seconds. a. how long is the jumper in free fall if the parachute opens at 1000 ft? b. how long is the jumper in free fall if the parachute opens at 940940 ft? c. what is a reasonable domain and range for the function h?
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Physics, 21.06.2019 18:50
Study the following reaction carefully. what classification should this reaction have? 4al + 3o2 2al2o3synthesisdecompositionsingle replacementdouble displacement
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Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Physics, 22.06.2019 10:00
Amira pulls a 3 pound wagon 4 feet. how much work has she done?
Answers: 2
Physics, 22.06.2019 18:10
A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.
Answers: 2
Question a smoke jumper jumps from a plane that is 19001900 ft above the ground. the function h equ...
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