Mechanics and Dynamics UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

Mechanics and Dynamics UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
A car starts from rest and accelerates to a velocity of -10 m/s. If this happened in 3 seconds, what
was the acceleration of the car? - Correct answers✔✔-3



A ball rolls with a constant velocity for 7 seconds. If the initial position was at the 1 meter mark,
and it ended up at the 29 meter mark, what was the average velocity of the ball? - Correct
answers✔✔4



Jimmy started at the 0m mark. If he runs about 10 meters then returns to his original position,
what was the total distance Jimmy ran? - Correct answers✔✔20



Jimmy started at the 0m mark. If he runs about 10 meters then returns to his original position,
what was the total displacement Jimmy ran? - Correct answers✔✔0 m



Marcus started at the 0m mark. If he runs about 10 meters then returns to his original position, if
he completed this in 5 seconds what was the average speed Jimmy ran? - Correct answers✔✔4



Marcus started at the 0m mark. If he runs about 10 meters then returns to his original position, if
he completed this in 5 seconds what was the average velocity Jimmy ran? - Correct answers✔✔0
m/s



An average person has a mass of 70 kg. Calculate the weight of the water bottle on earth. -
Correct answers✔✔686