What change should Lucia make? She should change the length of each vector that is tangent to the circle so that it is the same as the vector pointing toward the center at that point.
She should change the direction of the vectors that are toward the center of the circle so that each points tangent to the circle opposite the existing tangent vectors.
She should change the direction of the vectors that are toward the center of the circle so that each points away from the center of the circle.
She should change the lengths of the vectors that point toward the center so that each is the same length.

Acar of mass 800kg is moving at a speed of 2.2m/s.

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:

Clara is shopping in a grocery store with her friend. each has their own shopping cart in which they want to place their items. the shopping carts are identical. clara and her friend add the same type and number of items to each of their carts. in the baking aisle, however, clara adds 20 pounds of sugar to her own cart, and her friend adds only 10 pounds of sugar to her own cart. which of the following statements best explains what clara must do to accelerate at the same rate as her friend? a. she must add more sugar to her cart. b. she must apply more force to move her cart. c. she must add 20 pounds of salt instead of 20 pounds of sugar to her cart. d. she must apply less force to move her cart.