You hit a golf ball 30.0 meters to the south and overshoot the hole. You then hit the ball another 5.0 m to the north. The dista
2 answers:
Answer:
The distance is 35.0 m
Explanation:
- Distance corresponds to the amount of space travelled by an object, regardless of the direction of the motion. Therefore, if an object moves several times into different directions, the distance can be simply calculated by adding the distance covered during each motion.
In this case, the ball moves a first time by and a second time by
, so the total distance is
- Displacement corresponds instead to the spatial difference between the starting point and the final point of the motion: since the ball here travelled 30.0 m south and 5.0 m north, we must take into account the opposite directions in the two motions, by adding a negative sign. So, the displacement of the ball is
(in the south direction)
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Answer:
Restoring force of the spring is 50 N.
Explanation:
Given that,
Spring constant of the spring, k = 100 N/m
Stretching in the spring, x = 0.5 m
We need to find the restoring force of the spring. It can be calculated using Hooke's law as "the force on a spring varies directly with the distance that it is stretched".
F = 50 N
So, the restoring force of the spring is 50 N. Hence, this is the required solution.
Answer:
16.67m/s
Explanation:
Given parameters:
Distance Pete drove = 300m
Time taken = 18s
Unknown:
Speed = ?
Solution:
Speed is the distance traveled per unit of time.
It is mathematically expressed as;
Speed =
Insert the parameters and solve;
Speed = = 16.67m/s