Physics, 23.03.2021 23:50 joha222680
I’LL MARK YOU BRAINIEST IF U ANSWER IT
A pulley system lifts a 500-N weight a distance of 1.5m. Marina pulls the rope A distance of 9.0m, exerting a Force of 100 N.
a) what is the mechanical advantage of this pulley system
b) What input did marina do on the road
c) what useful output did the rope do on the weight
d) what is the efficiency of the pulley system
THIS IS GRADE 8 PHYSICS PLEASE ANSWER
OMGGG PLEASE HELP IM LATE
Answers: 1
Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
Answers: 3
Physics, 22.06.2019 14:40
The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
Physics, 22.06.2019 15:30
How many neutrons does element x if it’s atomic number is 28 and its mass number is 87
Answers: 1
Physics, 22.06.2019 18:00
Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”
Answers: 3
I’LL MARK YOU BRAINIEST IF U ANSWER IT
A pulley system lifts a 500-N weight a distance of 1.5m. Mar...
Arts, 22.07.2019 08:30
Social Studies, 22.07.2019 08:30
Mathematics, 22.07.2019 08:30
Mathematics, 22.07.2019 08:30
Mathematics, 22.07.2019 08:30
Mathematics, 22.07.2019 08:30
Mathematics, 22.07.2019 08:30
Mathematics, 22.07.2019 08:30
Mathematics, 22.07.2019 08:30