Physics, 08.01.2022 05:40 kirbymichellrow6zq9
Two particles have positions at time t given by s1 = 4t-t^2 and s2 = 5t^2-t^3. Find the velocities at v1 and v2 at the instant the accelerations of the two particles are equal.
Answers: 3
Physics, 21.06.2019 22:30
Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.
Answers: 1
Physics, 22.06.2019 16:30
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
Answers: 1
Two particles have positions at time t given by s1 = 4t-t^2 and s2 = 5t^2-t^3. Find the velocities a...
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