subject
Mathematics, 17.10.2020 14:01 bricksaspares

A rocket is launched straight up from the side of a cliff 40m high. If the initial velocity (v) is 30 m/sec and the height (H) is given by the formula = −16² + + ℎ, find the time at which the rocket will hit the ground. * HELP PLS IM AT A TESTTT
A. 2.78sec
B. -0.90sec
C. 3.1sec
D.-0.6sec

ansver
Answers: 3
Show answers

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
In the 30-60-90 triangle below side s has a length of and side r has a length
Answers: 2
Answer
question
Mathematics, 21.06.2019 20:00
Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2
Answers: 2
Answer
question
Mathematics, 21.06.2019 21:30
Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.
Answers: 3
Answer
question
Mathematics, 21.06.2019 23:00
Mrs.sling bought a pound of green beans for $1.80. how much will mrs.tennison pay for 3 1/2 pounds of green beans?
Answers: 1
Answer
You know the right answer?
A rocket is launched straight up from the side of a cliff 40m high. If the initial velocity (v) is 3...
Questions
question
Mathematics, 26.03.2020 00:01
Imagine that you are teaching a new student how to multiply polynomials. Explain how multiplying polynomials is similar to multiplying integers. Then...
question
Business, 26.03.2020 00:01
Elliott Company uses a predetermined overhead rate based on machine-hours to apply manufacturing overhead to jobs. The company manufactures tools to c...
question
Mathematics, 26.03.2020 00:01
A statistician wishing to test a hypothesis that students score at least 75% on the final exam in an introductory statistics course decides to randoml...
question
Social Studies, 26.03.2020 00:01
Mariah developed a fear of the water when she fell off a river raft last summer. This year, she took swimming lessons and thought she had finally over...
question
Business, 26.03.2020 00:01
Jennifer is attending a business luncheon with several corporate executives. At one point during the meal, she reaches in front of another executive f...
question
History, 26.03.2020 00:01
What makes a law unconstitutional?...
question
Mathematics, 26.03.2020 00:01
Find the measure of each angle. Assume the lines are parallel. m∠2 = a0°. m∠3 = a1°. m∠4 = a2°. m∠5 = a3°. m∠6 = a4°. m∠7 = a5°. m∠8 = a6°....
question
English, 26.03.2020 00:01
The writer wants to use exaggeration in order to emphasize the relative insignificance of a mistake. Which choice best accomplishes this goal? ...
question
Mathematics, 26.03.2020 00:01
The amount y ( in grams) of a radioactive isotope phosphorus-32 remaining after t days is y=a(0.5)^t/14, where a is the initial amount (in grams) what...
question
Mathematics, 26.03.2020 00:01
Simplify. −1/2x−1/5−5x+3/10+3/2x Enter your answer in the box. Do not use decimals in your answer....
question
Mathematics, 26.03.2020 00:01
The city music hall changes 22.00 per adult and 10.00 per senior citizens one day 461 people attended a concert the total receipts this day were 6434....
question
History, 26.03.2020 00:01
This US poster from the World War I era BEST illustrates that...
question
Chemistry, 26.03.2020 00:01
5. How many grams are in 1.23 x 1024 atoms of Lithium?...
question
Business, 26.03.2020 00:01
Consider two well-diversified portfolios. Portfolio 1 has an expected return of 8% and three-quarters average market risk while portfolio 2 has an exp...
question
Business, 26.03.2020 00:01
Alfred lost his 3 year old camera. It cost him $200 three years ago and had a life expectancy of 6 years. Alfred has actual cash value insurance on th...
question
Mathematics, 26.03.2020 00:01
The green goober a wildly unpopular superhero, mixes 3 liters of yellow paint with 5 liters of blue paint to make 8 liters of special green paint for...
question
Business, 26.03.2020 00:01
The manager at TV Land Productions reported total sales revenue of $900,000. The variable expenses were $300,000, and there were $325,000 of total fix...
question
English, 26.03.2020 00:01
Question 4 From his first appearance, Caesar appears to be all of the following except: A. self-confident B. well-known C. fru...
question
Mathematics, 26.03.2020 00:01
An environmentalist uses the line, based on the 20 years, to predict average global temperatures in 2050. What is the prediction? How reliable do you...
question
English, 26.03.2020 00:01
Why is Jack jealous of Ralph? A. Ralph is bigger than Jack B. Ralph is Smart C. Ralph is a better hunter than Jack D. Ralph i...
More questions: Mathematics Another questions
See results (0)