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Topic 8.4

Posljednje ažuriranje about 5 years ago

4 questions

1

Pitanje 1

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

Pitanje 2

2.

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

Pitanje 3

3.

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

Pitanje 4

4.

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?