.A force is used to lift a 75-kg mass to a height in 2 sec. It does 9800 J of worl
a. How high...
Physics, 03.04.2020 11:44 mcalepcrager
.A force is used to lift a 75-kg mass to a height in 2 sec. It does 9800 J of worl
a. How high is it raised?
Answers: 3
Physics, 21.06.2019 21:00, caitybugking
Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit
Answers: 1
Physics, 22.06.2019 22:30, nickocasamplonp6mlob
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
Answers: 2
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