Per:Date:Name:paper.V-T Graphs with Acceleration #2: Complete all work on a separate sheet ofDetermine the following:1. The average acceleration25152. The total distance traveled5.4.8.3. The distance travelled from t%-4s to t-6s2.Velocity (cm/s)

The velocity time graph is given for an object in motion. the velocity is plotted along the y axis…

V-T Graphs with Acceleration #2: Complete all work on a separate sheet of paper. Determine the following: 30 1. The average acceleration 25 20 15 2. The total distance traveled 10 5. * 2 . 4. Time (s) 10 3. The distance travelled from t-4s to t-6s Velocity (cm/s)

V-T Graphs with Acceleration #2: Complete all work on a separate sheet of paper. Determine the following: 30 1. The average acceleration 25 20 15 2. The total distance traveled 10 5. * 2 . 4. Time (s) 10 3. The distance travelled from t-4s to t-6s Velocity (cm/s)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter1: Units And Measurement

Section: Chapter Questions

Problem 1.2CYU: Check Your Understanding Light navels about 9 Pm in a year. Given that a year is about 3107s , what...

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The first atomic bomb was detonated on July 16, 1945, at the Trinity test site about 200 mi south of Los Alamos. In 1947, the U.S. government declassified a film reel of the explosion. From this film reel, British physicist G.I. Taylor was able to determine the rate at which the radius of the fireball from the blast grew. Using dimensional analysis, he was then able to deduce the amount of energy released in the explosion, which was a closely guarded secret at the time. Because of this, Taylor did not publish his results until 1950. This problem challenges you to recreate this famous calculation. (a) Using keen physical insight developed from years of experience, Taylor decided the radius rof the fireball should depend only on time since the explosion, t, the density of the air, , and the energy of the initial explosion, E. Thus, he made the educated guess that r=kEabtcfor some dimensionless constant kand some unknown exponents a,b, and c. Given that [E]=ML2T-2 , determine the values of the exponents necessary to make this equation dimensionally consistent. (Hint: Notice the equation implies that k=rEabtcand that [k]=1 ). (b) By analyzing data from high-energy conventional explosives, Taylor found the formula he derived seemed to be valid as long as the constant khad the value 1.03. From the film reel, he was able to determine many values of rand the corresponding values of t. For example, he found that after 25.0 ms, the fireball had a radius of 130.0 m. Use these values, along with an average air density of 1.25kg/m3 , to calculate the initial energy release of the Trinity detonation in joules (J). (Hint: To get energy in joules, you need to make sure all the numbers you substitute in are expressed in terms of SI base units.) (c) The energy released in large explosions is often cited in units of “tons of TNT” (abbreviated “t TNT”), where 1 t TNT is about 4.2 GJ. Convert yow answer to (b) into kilotons of TNT (that is, kt TNT). Compare your answer with the quick-and-duty estimate of 10 kt TNT made by physicist Enrico Fermi shortly after witnessing the explosion from what was thought to be a safe distance. (Reportedly, Fermi made his estimate by dropping some shredded bits of paper right before the remnants of the shock wave hit him and looked to see how far they were carried by it.)
1. The sum of the digits of a 2-digit number is 10. If the number is divided by theunits digit, the quotient is 3 and the remainder is 4. Find the number. 2. t took a certain vehicle 3 hours to travel a distance of 120 km. On its wayback, it took him only 2 hours in traveling the same path. What was his averagespeed?
Of the following, the longest is a a. 1.2 miles b. 1610m c. 63350 Inches d. 1760 yards 2 The maximum speed in SLEX is 100 km/H. How many miles will you travel per minute? 3. You are doing a project by mixing some concrete, and you've calculated according to the directions that you need six gallons of water for your mix. If you use the two-liter empty bottle of soda to measure your water, how many times will you need to fill it? 4. The density of seawater is 62.8 pounds/feet. How much is this density in kg/m³ 5. You want to check if the gold ring that your fiancée gave you is a "real gold". Upon weighing. the mass of the ring is 9.5 grams and using the water displacement method to determine the volume, and it overflow 0.6 mL. What is the density of your gold ring? Is the ring a real gold? Accepted density of gold is 19300 kg/m³.
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ather Puffer... Home A B Assignments Current Time: 11:15:49 PM general.physics.rutgers.edu m/s OC Awards - Google Docs Practice Assignment C G duke ellington - Google... Homework Opening Ceremony Itiner..... Time Left: 1 days 0 hours 40 minutes R General Physics Log Out 2. At a track and field meet, the best long jump is measured as 8.50 m. The jumper took off at an angle of 38.0° to the horizontal. What was the initial speed of the er?
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a Harris-5 Th.. oblems ☆回 Add-ons Help Last edit was 3 hours ago Tahoma BIUA | 2 |I 3 |CI 41 5 cience 9 Name Period Date SPEED PROBLEMS e formulas to solve the following problems. SURE TO HAVE FORMULA, WORK, ANSWER AND UNITS u took a car trip with your family to visit relatives who live 750 km away. The trip took 8 h. What was your average speed in km/h? Solving for: Formula: Show work: Answer w/ units: If you travel 50 km due east in 2 h, what is your velocity? Solving for: Formula: Show work: Answer w/ units: 印 lilı
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ing a tro field match. v9.09 m/s Therefore, the sverage speed of Ly dia de Vega is 9.09 m/s. What's More Activity 3.3: Solving Speed and Velocity Probleins Directions: Show your answers legibly, concisely and completely. Use separate shee of paper. 1. A bus travels at a distance of 90 km in 2 h and another 30 km in 1 h. What is the average speed of the bus? 2. A banca takes about 1.0 h tạ travel a distance of 15 km. A sailboat travels the same distance ir 0.5 h. The same cistance is travelled by a motorboat in 0.3 h. (a) Compute the average speed of each vessel. (b) Which vessel is the fastest? (c) Based on the data, how fast is the sailboat compared to the banca?
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ki Project - 202 K Lab. Assignm temView?assignmentProblemlD=153876493&offset=next O Incógnito YEEZY SUPPLY beats - Apple Stor.. MSHOP- KKandJay U beatsbydre on Ins.. DBLatino - DB XRobots.co.uk colin kaepernick -.. O Otros faw mit 4- HW10-Chapter 11- Impulse and Momentum derson Video - Momentum in Explosions 10 of 16 Part A A firework explodes into three pieces as shown in the diagram below. Now that you have set up the equation for the z and y components of the final momentum of the firework, let's do some physics! Given: • The initial firework had a mass of 9.0 kg and was launched at v; = 50 m/s vertically straight up. • The firework explodes into three pieces of equal mass 3.0 kg. The angles e = 03 = 40°. • Speed vi = 100 m/s. What is the speed v2? Note: the angles shown for mass m1 and mass mz are relative to the horizontal r axis. Mass m2 is moving straight up (y axis). m2 V2 m3 V3 V1 Express your answer with the appropriate units. HA Units Value V2 =
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