After having one concussion you are more likely to have another — some doctorsestimate you increase your risk up to three times. There are two reasons why your risk increases: carelessness and brain chemistry.
Algae, phytoplankton, or any green plants.
Answer: 45 J
Explanation:
The formula for work is force x distance.
W = fd
W = (30 N)(1.5 m)
W = 45 J
