A ball is thrown vertically upward from the top of a 100 foot tower, with an initial velocity of 10 ft/sec. Its position function is s (t) = - 16t2 + 10t + 100. What is its velocity in ft/sec when t = 2 seconds?

A block with length = 1.5m, width = 1m, height=0.5m and mass=300kg lays on the table. what is the pressure at the bottom surface of the block? show your work.

The first duty of the first responder is to begin collecting evidence true or false

In which structure would the egg need to be fertilized?

Why is it impossible for us to observe any furthur than 13.7 billion light years in the universe?

While playing 17 straight hours of the wii

A box has the dimensions of 5. o cm by 6.0 cm by 7.5 cm. The box has a mass of 25g. What is the density of the box

What are some reasons why a climate and weather are alike

Which of the following is considered a physical environmental hazard? A. Fire B. Lead in water C. Smoking cigarettes D. Being attacked in a dark alley

The mass of Jupiter is 1.9 * 1027 and that of the sun is 1.99 * 1030. The mean distance of Jupiter from the sun is 7.8 * 1011m. Calculate the gravitational force which the sun exerts on Jupiter, and the speed of Jupiter.

During a collision, a bus runs into a skateboarder inelastically. If the mass of the skateboarders is 70 kg and is moving at 12 m/s to the right, what is the final velocity of the skateboarder if the 2000 kg bus is traveling at 25 m/s to the left