1.Alejandro travels 2 km north, then 3 km east and finally 2 km south.Which statement is TRUE about Alejandro's travel? Alejandro'sa. displacement is 2km west from his origin.b. position is now 3km east from where he started.c. displacement is 7km.d. displacement is 3km due east.2.Velocity is a measure ofa. change in position during change in timeb. the slope of a position-time graphc. displacement during an interval of timed. all of the above3.A car accelerates from 0" to 25" in 5 seconds. What is the averageacceleration of the car?а. 30С. 50"b. 125d. 5 mS4. Which scenario represents an instant of time?a. A long distance runner from Cagayan National High Schoolcrosses the finish line at 1 hour and 37 minutes.b. The Schools Division Superintendent takes a 5 hour trip fromTuguegarao City to Santiago City, Isabela to attend aconference.c. An ambulance with a Covid-19 patient drives for three hours toCagayan Valley Medical Centre.d. A student leaves home at 6:00 AM and gets to school at 7:00AM to so that he can attend the flag ceremony

Answered: Image /qna-images/answer/96c8f827-86b4-4b0d-95b0-9b356b3139e8.jpg

1. Alejandro travels 2 km north, then 3 km east and finally 2 km south. Which statement is TRUE about Alejandro's travel? Alejandro's a. displacement is 2km west from his origin. b. position is now 3km east from where he started. c. displacement is 7km. d. displacement is 3km due east. 2. Velocity is a measure of a. change in position during change in time b. the slope of a position-time graph c. displacement during an interval of time d. all of the above

1. Alejandro travels 2 km north, then 3 km east and finally 2 km south. Which statement is TRUE about Alejandro's travel? Alejandro's a. displacement is 2km west from his origin. b. position is now 3km east from where he started. c. displacement is 7km. d. displacement is 3km due east. 2. Velocity is a measure of a. change in position during change in time b. the slope of a position-time graph c. displacement during an interval of time d. all of the above

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Which answer lists all the substances below that are compounds and not any elements or mixtures? I. ethyl alcohol II. neon III. sulfur IV. water V. crude oil Select one: a. II, III, and V b. I and IV c. I, II, and III d. IV and V
Part II Graham's Law (average speed and molar mass) - Submicroscopic View Your observation 1. The speed of the particles is (circle one) a. Constant b. Variable C. same 2. The particles move in a between collisions. a. straight –line b. curved path 3. The speed of the particles changes following the collision with a. another particle b. the wall of the container c. both the wall of the container and another particle. Use the Track function explained earlier to help answer this question. 4. Collisions between particles or the walls of the container are elastic or not elastic. 5. The particles attractions to other particles. а. еxperience b. do not experience 6. The RMS speed of helium is as the mole of helium changes. a. constant b. variable 7. Record the RMS speeds of different gases in the following table. Table 1. RMS speed of gases Gas Не Ne Ar Molar mass g/mol RMS speed m/s 8. Is your observation of RMS speeds consistent the Graham's law of effusion, which states that rates of…
Answer number 21 to 26 pls. I don't want to waste my money here.
C-lab Answer the following questions. You may upload a handwritten file if you like, as long as it is legible. Part A: Figure numbers refer to figures in the lab procedures. Do the calculations in the units given. 1. Very briefly explain how a photogate works. 2. How far would you go if you traveled at a speed of 30 miles per hour for 3 hours? 3. What acceleration would be needed to travel the same distance in the same time as in question 2 when starting from rest? What would be your final speed? 4. Refer to Figure 3. Given a track length of 90 cm and a height difference of 18 cm, what is sin 0 5. Draw the force diagram for an object on an inclined plane (see Figure 2 in the lab manual). Attach the diagram in question 2 below. What would be the acceleration given the inclination from question 4 and g = 9.8 m/s? Part B: Attach the free body diagram from question 5 above. O 8:31 acer page up page dn & backspace delete 5 8 enter
Find the missing values represented by shapes.
A gas cylinder symbol means explosiveThe tendency when an acid is mixed with base is to be neutralizedCarbonization is heating in the absence of airCoke is made from wood distillation A.) If all 4 statements are trueB.) If 3 of the 4 statements are trueC.) If 2 of the 4 statements are trueD.) If only 1 of the 4 statements is trueE.) If none of the 4 statements is true
10. The amount of spaces between particles of matter can be measured. How do we measure the space occupied by an object? C. Getting the density D. Getting through its volume A. Area B. Mass
2. Discuss the effect of temperature to density.
Chemical & Physical Properties Review
B. 1.8 m/s C. 3.6 m/s D. 7.2 m/s 3. What is the momentum of a 45.0-kg dog running south at 9 meters per second? A. 5.00 kg • m/s south B. 45.0 kg • m/s south C. 405 kg • m/s south D. 3650 kg • m/s south A Newton's cradle will continue moving for a time but it eventuallu stons Use what.
Given the following combinations: a. a homogeneous liquid mixture of bromine, Br2, and carbon tetrachloride, CCl4 b. a heterogeneous mixture of sand and silver c. a homogeneous liquid mixture of benzene and octane, both hydrocarbons d. a layer of octane floating on a layer of water e. a gaseous mixture of helium, He, and argon, Ar FOR TWO POINTS EACH circle the letter of the combination that fits the following definitions. Please note that there are five definitions and five combinations. This means that there is one AND ONLY ONE correct letter for each of the definitions. Question: Which of the pairs is an undissolved mixture of two compounds
calculate he e milthifres of 0.250M Naz PO that win reget with MgCly • नरवर 50.0mL 0f 0.250 M