Ask a New Question

Question

an object is thrown upwards and its height h(t) in meters after t seconds is given by the equation h(t)=1+4t-5t^2
.when the object hit the ground.
8 years ago

Answers

Steve
its height is zero when it hits the ground, right? So, just solve

1+4t-5t^2 = 0
8 years ago
Victor James
0.4sec
3 years ago

Related Questions

An object is thrown upwards with a speed of 14.0 m/s. How long does it take to reach its maximum hei... a box is thrown upwards with a velocity of 8m/s and takes 2seconds to reach its maximum height.how h... An object is thrown upwards and after 2 seconds is 78 m above where it was initially thrown. Assume... An object is thrown upwards at an initial speed of 19.6m/s from a height of 55m. How long will it ta... An object is thrown upwards at an initial speed of 19.6 m/s from a height of 65m. Determine how long... A ball is thrown upwards, from a building. It's height(h), in meters above the ground seconds(t) aft... An object is thrown upwards from a height of 50.0m at an initial speed of 19.6m/s. Determine how lon... A ball is thrown upwards. What is its initial vertical speed? The acceleration of gravity is 9.8 m... "a ball is thrown upwards with initial velocity 20 m/s. After reaching maximum height, on the way do... An object is thrown upwards with a speed v from Planet X reaches a maximum height of 4 m. The gravit...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use