A 1. 5-kg playground ball is moving with a velocity of 3. 0 m/s directed 30° below the horizontal just before it strikes a horizontal surface. The ball leaves this surface 0. 50 s later with a velocity of 2. 0 m/s directed 60° above the horizontal. What is the magnitude of the average resultant force on the ball?.

All of the following are examples of service-learning opportunities except: a. donating time to senior citizen war veterans and writing a report about the experience for your u. s. history class. b. getting a part-time job at a habitat restoration center. c. reading to second-grade students as part of your assigned reading time for your english class. d. planting trees in your community and then discussing global warming in your science class.

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions