022 (part 1 of 4) 10.0 points a ball is thrown vertically upward with a speed of 24.5 m/s. how high does it rise? the acceleration due to gravity is 9.8 m/s 2 . answer in units of m.
023 (part 2 of 4) 10.0 points how long does it take to reach its highest point? answer in units of s.
024 (part 3 of 4) 10.0 points how long does it take the ball to hit the ground after it reaches its highest point? answer in units of s.
025 (part 4 of 4) 10.0 points what is its velocity when it returns to the level from which it started? answer in units of m/s.
026 10.0 points an object is released from rest on a planet that has no atmosphere. the object falls freely for 4.88 m in the first second. what is the magnitude of the acceleration due to gravity on the planet? answer in units of m/s 2 .
027 10.0 points a rocket initially at rest accelerates at a rate of 90 m/s 2 for 0.33 min. what is its speed at the end of this time? answer in units of m/s.
028 (part 1 of 2) 10.0 points janet jumps off a high diving platform with a horizontal velocity of 2.92 m/s and lands in the water 2.3 s later. how high is the platform? the acceleration of gravity is 9.8 m/s 2 . answer in units of m.
029 (part 2 of 2) 10.0 points how far from the base of the platform does she land? answer in units of m.
030 (part 1 of 2) 10.0 points an artillery shell is fired at an angle of 80.9 ◦ above the horizontal ground with an initial