40. In number 38, what is the velocity of the ball at its highest point? * O 15 m/s 9.8 m/s O 7.5 m/s ) zero

Q: 14. A dog travels from point A to point B in 4.0s. If the dog was displaced 12 m (E) , what was its…

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Q: If the ball shown in the figure lands in 1.0 s, about what height was it thrown from? ? m 25 m O 1 m…

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Q: 2. You look outside of your window in your apartment on the 5th floor. You see a ball going straight…

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Q: A car drives at 25 m/s and speeds up to 30 m/s in 2 s. What is the acceleration of the car? +12.5…

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Q: Which of the following is true about projectiles at the maximum height of the path? O vy = 0, ay = 0…

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Q: Problem 2 Continued) Once the toy car drives off the edge of the cliff, the rocket STILL causes the…

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Q: The object is thrown straight up at 3m/s from 1 m above the ground. Which of the following best…

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Q: b) What is the y component of the initial velocity? O 21.3 m/s O 16.6 m/s O 25.8 m/s 8.0 m/s

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Q: Starting from a pillar, you run 400 m east (+x direction) at an average speed of 4 m/s, and then run…

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Q: A car is speeding at a constant speed 32 m/s passes a still police car which immediately takes off…

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Q: A car starts from rest and accelerates at a constant rate in a straight line. In the first second…

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Q: An object moves along the ry-plane. At some instant, its velocity and acceleration are J = – (3 m/s)…

A: for straight line motion, the velocity and acceleration are in same (or opposite) direction.

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Q: 1. Which graph, D, E, or F shows their velocity over time? Explain your answer 2. How is the graph…

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Q: An airplane lands with an initial velocity of 80 m/s and then decelerates at 1.50 m/s2 for 40…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –