Physics, 13.10.2020 21:01 luisafer127
Which is the best example of a non-inertial frame of reference? (1 point)
A. a roller coaster maintaining its speed as it curves around a bend
B. a falling feather in which the upward force due to air resistance equals the force of gravity
C. a spaceship traveling at 947 m/s with its engines off
D. a boat at rest on calm water
Answers: 2
Physics, 22.06.2019 12:50, shollydot1379
Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass
Answers: 3
Physics, 23.06.2019 00:00, supermkimbrel
A15,000 kg rocket traveling at +230 m/s turns on its engines. over a 6.0 s period it burns 1,000 kg of fuel. an observer on the ground measures the velocity of the expelled gases to be −1,200 m/s.
Answers: 3
Physics, 23.06.2019 08:30, luisannavasquez6129
Water moves to the top of tall trees because of a) capillary action b) surface tension c) capillary action and evaporation d) vapor pressure
Answers: 1
Physics, 23.06.2019 09:30, lizzyhearts
A"car"initially"at"rest"experiences "a" constant"acceleration"along"a"horiz ontal" road."the"position"of"the"car"at"se veral" successive"equal"time"intervals"is" illustrated"here. between"which"adjacent"positions"is "the" change"in"kinetic"energy"of"the"car "the" greatest
Answers: 3
Which is the best example of a non-inertial frame of reference? (1 point)
A. a roller coaster maint...
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