7. Sketch a velocity-time graph for Donna's Mercedes which accelerated uniformly for 0 mi /hr to 70. mi /hr in 5.0 seconds. a. What is the car's speed at 3.0 seconds? b. How far has the car travelled after 5.0 seconds? c. What is the car's acceleration? 8. April throws a ball straight up into the air at an initial speed of 30. m/s. a. Neglecting air drag, what is the acceleration of the ball 1.00 seconds after April threw it into the air? b. How long does it take to reach the top of its path? c. How fast is it going at the top of its path? d. What is its acceleration at the top of its path? e. How high is it at the maximum height of its path? f. It falls back to April, how fast will it be going right before she catches it?
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
Sketch a velocity-time graph for Donna’s Mercedes which accelerated uniformly for
0 mi/hr to 70. mi/hr in 5.0 seconds.
April throws a ball straight up into the air at an initial speed of 30. m/s.
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