subject
Physics, 01.08.2021 18:00 leannaadrian

Vật chuyển động thẳng biến đổi đều có phương trình chuyển động: x= -10 -2t+t^{2} (m;s). Vật dừng lại ở thời điểm: A. 2s
B. 1s
C. 1 + \sqrt{11}
D. 1 - \sqrt{11}

ansver
Answers: 3

Other questions on the subject: Physics

image
Physics, 22.06.2019 09:30, looloo273
Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.
Answers: 2
image
Physics, 22.06.2019 12:10, hilljade45
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
image
Physics, 22.06.2019 15:50, ksiandua07
An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
Answers: 1
image
Physics, 22.06.2019 16:30, CadenSkinner2003
Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.
Answers: 1
You know the right answer?
Vật chuyển động thẳng biến đổi đều có phương trình chuyển động: x= -10 -2t+ (m;s). Vật dừng lại ở th...

Questions in other subjects:

Konu
Mathematics, 17.12.2020 01:00
Konu
History, 17.12.2020 01:00
Konu
Mathematics, 17.12.2020 01:00
Konu
Mathematics, 17.12.2020 01:00