Juggles the clown stands on one end of a teeter-totter at rest on the ground. bangles the clown jumps off a platform 2.2 m above the ground and lands on the other end of the teeter-totter, launching juggles into the air. juggles rises to a height of 3.8 m above the ground, at which point he has the same amount of gravitational potential energy as bangles had before he jumped, assuming both potential energies are measured using the ground as the reference level. bangles' mass is 70 kg. what is juggles' mass?

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.