1S in sight is Suppose the first one-fourth of the distance between two points is covered with an average velocity of+18 m/s. The average velocity for the remainder of the trip is +51 m/s. What is the average velocity for the entire trip? O At this instant, a car just

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please answer question and just send me the paper solutions asap dont type the answer question 7 only And use the formula that is given dont use any other formula and use 9.81 for acceleration not 9.8 if required please solve it faster asap
6. A dog sees a flowerpot sail up and then back down past a window which is 1.47m high. If the total time the pot
is in sight is 1.0 s, find the height above the window the pot rises.
7. Suppose the first one-fourth of the distance between two points is covered with an average velocity of+18 m/s.
The average velocity for the remainder of the trip is +51 m/s. What is the average velocity for the entire trip?
8. A train has a length of 92 m and starts from rest with a constant acceleration at t= 0. At this instant, a car just
reaches the end of the train. The car is moving with a constant velocity. Att= 14 s, the car reaches the front of
the train. Ultimately, however, the train pulls ahead of the car, and at a time t 28 s, the car is again at the rear
of the train. Find the magnitude of (a) the car's velocity and (b) the train's acceleration.
Transcribed Image Text:6. A dog sees a flowerpot sail up and then back down past a window which is 1.47m high. If the total time the pot is in sight is 1.0 s, find the height above the window the pot rises. 7. Suppose the first one-fourth of the distance between two points is covered with an average velocity of+18 m/s. The average velocity for the remainder of the trip is +51 m/s. What is the average velocity for the entire trip? 8. A train has a length of 92 m and starts from rest with a constant acceleration at t= 0. At this instant, a car just reaches the end of the train. The car is moving with a constant velocity. Att= 14 s, the car reaches the front of the train. Ultimately, however, the train pulls ahead of the car, and at a time t 28 s, the car is again at the rear of the train. Find the magnitude of (a) the car's velocity and (b) the train's acceleration.
Variables found
Variable not
Equation
in equation
In equation
Equation 1
Ad
At
Ad, At, v, v
%3D
Equation 2
ý = ý + åAt
高克高At
Ad
Equation 3
Ad = VAt +
Að, v, At, å
%3D
Equation 4
vi = vỉ + 2aAd
И, и, а, Дd
At
%3D
Equation 5
1
Ad = At-aA?
Ad, v, At, a
%3D
2.
Transcribed Image Text:Variables found Variable not Equation in equation In equation Equation 1 Ad At Ad, At, v, v %3D Equation 2 ý = ý + åAt 高克高At Ad Equation 3 Ad = VAt + Að, v, At, å %3D Equation 4 vi = vỉ + 2aAd И, и, а, Дd At %3D Equation 5 1 Ad = At-aA? Ad, v, At, a %3D 2.
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