Topic 8.4

Last updated over 4 years ago
4 questions
1

A chunk of lava flies out of a volcano from a height of 12, 447 feet and a velocity of 608 feet per second. Find the highest point the lava reaches using the equation:

1

A chunk of lava flies out of a volcano from a height of 12, 447 feet and a velocity of 608 feet per second. Find how long it takes to get to its highest point using the equation:

1

A boy standing on the roof of a building 75 feet above the ground throws a ball at 45 ft/s. Ignoring friction, the equation


gives the height, y, as a function of time, t. Find the highest point the ball reaches to the nearest foot.

1

A boy standing on the roof of a building 75 feet above the ground throws a ball at 45 ft/s. Ignoring friction, the equation


gives the height, y, as a function of time, t. How many seconds does it take to reach this height, to the nearest tenth of a second?