Answer only Number 3. ReferencesViewSectionToolsQ dick to find commandsReviewミ,、以, 四9-月三山正三 .田.AaBbCcDd AaBb AaBbCi AaBbC.EANormalHeading 1 Heading 2 Heading 3Word TypesettingFind and SelectSettings"StoReplace1.A motorboat was moving [E 20° S] at 50.0 km/h. The operator then turned the boatE 20° N] and decreased the speed to 30.0 km/h over 5.0 min. Determine the averageacceleration of the boat.2. A person decides to swim across a river 84 m wide that has a current moving with avelocity of 0.40 m/s [E]. The person swims at 0.70 m/s N] relative to the water. K/UT/I A(a) What is the velocity of the person with respect to Earth?(b) How long will it take to cross?(c) How far downstream will the person land?(d) In what direction should she swim if she lands at a point directly north of herstarting position?I.3. A basketball player is standing 9.5 m from the basket, which is at a height of 3.1 m.She throws the ball from an initial height of 2.0 m at an angle of 35° above thehorizontal. The ball goes straight through the basket. Determine the initial speed ofthe ball.4.The air velocity of a small plane is 230 km/h [N 35° E] when the wind is blowing at75 km/h [W 25° S]. Determine the velocity of the plane relative to theground.

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3. A basketball player is standing 9.5 m from the basket, which is at a height of 3.1 m. She throws the ball from an initial height of 2.0 m at an angle of 35° above the horizontal. The ball goes straight through the basket. Determine the initial speed of the ball.

3. A basketball player is standing 9.5 m from the basket, which is at a height of 3.1 m. She throws the ball from an initial height of 2.0 m at an angle of 35° above the horizontal. The ball goes straight through the basket. Determine the initial speed of the ball.

Physics for Scientists and Engineers: Foundations and Connections

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ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter3: Vectors

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Problem 8PQ: The layout of the town of Popperville is a perfectly square grid, with blocks 100 feet long (Fig....

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1.A motorboat was moving [E 20° S] at 50.0 km/h. The operator then turned the boat
E 20° N] and decreased the speed to 30.0 km/h over 5.0 min. Determine the average
acceleration of the boat.
2. A person decides to swim across a river 84 m wide that has a current moving with a
velocity of 0.40 m/s [E]. The person swims at 0.70 m/s N] relative to the water. K/U
T/I A
(a) What is the velocity of the person with respect to Earth?
(b) How long will it take to cross?
(c) How far downstream will the person land?
(d) In what direction should she swim if she lands at a point directly north of her
starting position?
I.
3. A basketball player is standing 9.5 m from the basket, which is at a height of 3.1 m.
She throws the ball from an initial height of 2.0 m at an angle of 35° above the
horizontal. The ball goes straight through the basket. Determine the initial speed of
the ball.
4.The air velocity of a small plane is 230 km/h [N 35° E] when the wind is blowing at
75 km/h [W 25° S]. Determine the velocity of the plane relative to the
ground.

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