Please help Solve! I need help! Question:
Jermaine runs exactly 2 laps around a 400-meter track. What is the displacement?

Multiple choice answers (I need help I don't understand I don't know what the answer is PLEASE HELP ME):
a. 200
b. 800
c. 400
d. 0

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass