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Which of the following is considered to be a vector? a. temperature b. velocity c. time d. mass
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Physics, 21.06.2019 19:00
Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?
Answers: 2
Physics, 22.06.2019 18:00
Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change Ī“pe in the gravitational potential energy and the change Ī“ke in the kinetic energy of the stone as it moves from its initial to its final location? options a.Ī“pe = 0 j and Ī“ke = 0 j b.Ī“pe is positive and Ī“ke is negative c.Ī“pe = 0 j and Ī“ke is positive d.Ī“pe is negative and Ī“ke is positive e.Ī“pe = 0 j and Ī“ke is negative
Answers: 3
The rate of change of momentum?...
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