A pickup truck is traveling along a straight flat highway at a constant speed of 10 m/s measured relative to the ground. A person standing in the flatbed of the pickup truck throws a ball into the air at an angle of 60° above the horizontal as measured relative to the truck and in line with the highway. A second person who is standing on the ground nearby observes the ball to rise vertically. Take the positive direction of the x -axis to point horizontally in the direction of motion of the truck and the positive direction of the y -axis to point straight up from the ground. Find the velocity of the ball relative to the truck in unit vector notation.
A pickup truck is traveling along a straight flat highway at a constant speed of 10 m/s measured relative to the ground. A person standing in the flatbed of the pickup truck throws a ball into the air at an angle of 60° above the horizontal as measured relative to the truck and in line with the highway. A second person who is standing on the ground nearby observes the ball to rise vertically. Take the positive direction of the x -axis to point horizontally in the direction of motion of the truck and the positive direction of the y -axis to point straight up from the ground. Find the velocity of the ball relative to the truck in unit vector notation.
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Transcribed Image Text:A pickup truck is traveling along a straight flat highway at a
constant speed of 10 m/s measured relative to the ground.
A person standing in the flatbed of the pickup truck throws
a ball into the air at an angle of 60° above the horizontal as
measured relative to the truck and in line with the
highway. A second person who is standing on the ground
nearby observes the ball to rise vertically. Take the
positive direction of the x -axis to point horizontally in the
direction of motion of the truck and the positive direction
of the y -axis to point straight up from the ground. Find
the velocity of the ball relative to the truck in unit vector
notation.
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