Find what is its speed when it exploded

Assignment Help Physics

Reference no: EM13531420

A student drops a lit firecracker off the roof of abuilding with an initial velocity vo=0. She hearsit explode 10s later. The speed of sound is 330.

How long did it take the firecracker to reach the explosion site?

Calculate the vertical displacement of the firecracker at the instant it blew up?

What is its speed when it exploded?

Reference no: EM13531420

Questions Cloud

Cause uncontrolled cell division and cancer : Mutations in a protyein called p53 are known to cause uncontrolled cell division and cancer. p53 is involved in controlling the cell cycle. Give a hypothesis to explain how mutated p53 may cause cancer.

Dna polymerase in the process of dnareplication : When is DNA replication important, when does it occurs, whatbuilding blocks and enzymes are necessary for this process toproceed? What is the role of DNA polymerase in the process of DNAreplication?

Explain the means of investigating trademark : Discuss and explain the means of investigating trademark and copyright infringement, sexual harassment incidents, and child pornography and laws concerning those incidents.

State rxn mixture is warmed and which way will the rxn shift : For the above rxn, if 0.0001 M of B and 0.0001 M of C were added at the same time, which way would the rxn shift, or would it remain unchanged

Find what is its speed when it exploded : A student drops a lit firecracker off the roof of abuilding with an initial velocity vo=0. She hearsit explode 10s later. The speed of sound is 330. What is its speed when it exploded

Evaluate the centripetal acceleration of the electron : In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is approximately 1.95 106 m/s. Find the centripetal acceleration of the electron

Grows bothaerobically and anaerobically : Saccharomyces cerevisiae is a yeast that grows bothaerobically and anaerobically. Under which of these two conditionswould you expect S. cerevisiae to grow better?Explain your answer.

What are the impacts of maternal milk : What are the impacts of maternal milk and weaning weight EPDs onthe performance of a bulls grandcalves also Why is some emphasis on scrotal circumference important in many breeds?

Explain solute a has a distribution coefficient : Demonstrate that if 4.0 ml of a solution of 0.20g of A in water were extracted with two 1.0 ml portions of ether, a smaller amount of A would remain in the water that if the solution were extracted with one 2.0 ml portion of ether.

User Account

All Pages