CSIS2101_assgn7

A. Fill in the table completely with the correct answer as required. Picture/Situation Magnitude Direction Scalar or Vector (if none, write NONE) 1. A boy is running at 8 m/s to the north. 2. A box has a mass of 35 kilograms. 3. The length of the table is 2.5 meters. 4. The weight of the student is 500 newtons. B. Determine the resultant vector of the given vectors using graphical method. Connect the given vectors correctly to determine the resultant vector and write your answers on the table. Given vectors Resultant Vector: (V1+ V2) V1 V2 Using Polygon Method Using Parallelogram Method C. Draw or locate properly the following vector directions in the given Cartesian plane. Use protractor to measure the angle. A. 40 north of east 59 south of west 15 south of east D. 30° west of north D. A student runs initially at 3 m/s to the north, and suddenly accelerates at 4 m/s to the East. Find his resultant velocity (magnitude and direction). Show all your solution.

NOTE: PLEASE ANSWER THE LAST ITEMS, 7,8,9 and 10 ONLY.

The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. It takes 1.3 s to travel from A to B. Suppose that s = 21 ft. (Figure 1) Figure 3.5 ft B 1 of 1 Part A Determine the speed vA at which the ball was launched. Express your answer to three significant figures and include the appropriate units. VA = 44.9 " Submit ✓ Part B 0= Previous Answers Correct Determine the angle of release 0. Express your answer using three significant figures. Part C Submit Previous Answers Request Answer O

Galileo conducted an experiment where he rolled different balls down an inclined plane. Galileo determined that each ball traveled a distance that was directly proportional to the square of the time it traveled. What did Galileo conclude from this experiment? A. Air resistance affects all objects equally.B. All objects accelerate toward Earth at the same rate.C. Objects with greater mass accelerate toward Earth faster than less massive objects.D. The force of friction from the inclined plane causes a decrease in the acceleration of an object.

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Suppose that you measure the position of a chair using a meter stick and you record the distance of the center of the seat from the wall. Which of the following measurements is the most reasonable? A. 1.043 860 564 2 m   B. 1.043 860 m   C. 1 m   D. 1.04 m

Problem 09

Activities General Directions: Write all your answers in your activity notebook. V. A. Vector or Scalar Directions: Sort the physical quantities in the box. Write the scalar quantities under the scalar column and the vector quantities under the vector column. Scalar Vector Quantity 1. 10 m 2. 4500 calories 3. 15m/s, East 4. 36.5°C 5. 5N, downward 6. 15 kg 7. 9 mi., N of E 8. 1 Terabyte 9. 3600s 10. 1.00 kg/m3 B. Plot That Vector Directions: Using the head to tail diagram method, plot the following vector to find the vector sum or the resultant. Use the scale 1cm = 5m. Ả = 15m, 35° E of N B = 45m, 45° Ww of N C = 60m, S D = 20m, 20° S of W E = 30m, E 6. C. Validate Your Diagram Directions: Using the given in Activity B, find the vector sum using the component method. Complete the table. (20 pts.) Distance Angle х-соmponсnt у-соmponent

Part A Suppose the instructions for a scavenger hunt tell you to walk 6.2 km west, 7.3 km south, 9.6 km east, then 3.4 km north. How far will this scavenger hunt take you from the starting point? Express your answer with the appropriate units.   B. In what direction measured south from east will you end up from the starting point? Express your answer in degrees.

what is the main difference between distance and displacements. choose all that apply. 1. Displacement is a vector and distance is a scalar. 2. Displacement is calculated by how far the object travels without paying attention to the direction of travel. and distance is calculated by the change in position of the object 3. Distance is how far and displacement is how far in which direction 4. Distance is a vector and displacement is a scalar   5. Displacement is defined by magnitude and direction both but distance is defined by magnitude only   6. Displacement is calculated by calculating the change in position of the object and distance is calculated by how far the object travels without paying attention to the direction of travel.

Two boxes, A and B, are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 86.0 N is applied to box A. Starting from rest, box B descends 12.2 m in 3.00 s. The tension in the rope connecting the two boxes is 37.0 N (Figure 1). Figure 1 of 1 B

Remaining Time: 1 hour, 34 minutes, 39 seconds. v Question Completion Status: A Moving to another question will save this response. Question 9 If the value of x-component of a vector is positive(+) and value of y-component is negative then the vector will be in which quadirant? O a. Vector will be in third quadrant. O b. Vector will be in first quadrant. O C. Vector will be in second quadrant. d. Vector will be in 4th quadrant. A Moving to another question will save this response.

ASSESSMENT TIME!  Deriction: Solve the following problems using Polya's four-step problem-solving strategy. 1. A baseball team won two out of their last four games. In how many different  orders could they have two wins and two losses in your games? ▫Understand the problem  ▫Devise a plan ▫Carry out the plan ▫Review the solution    2. Determine the digit 100 places to the right of the decimal point in the decimal representation 7/24. ▫Understand the problem  ▫Devise a plan ▫Carry out the plan ▫Review the solution    3. The product of the ages,in year's of three teenagers is 4590. None of the teens have the same age. What are the ages of the teenagers? ▫Understand the problem  ▫Devise a plan ▫Carry out the plan ▫Review the solution

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An ant on a picnic table travels 3.0 x 101 cm eastward, then 25 cm northward, and finally 15 cm westward. What vector addition method will provide an accurate answer for these vectors?       a. polygon method       b. parallelogram method       c. vector addition using Pythagorean theorem       d. vector addition using the law of sines and cosines

1. Galileo released two bodies of different masses from the Pisa tower to test his theory. Knowing that the height of the tower is 52 m. A) Indicate in the image the characteristics of the movement of a body and deduce its type of movement.  B) Write the equations of motion corresponding to the movement of the body. C) Calculate the time it takes to reach the ground. D) How fast will they arrive? Interpret the results. 0.5p E) What speed do we carry halfway? Interpret the results. F) With what speed should we pull up so that the body reaches the ground in 10s. G) Selected and graphic corresponding to the previous movement. Justify your answer.

5. Read the problem carefully. Starting from her house, Karen rode her bicycle 140 m north in 2 minutes. She stopped for 1 minute at the street corner. She then rode her bicycle another 240 m north in 4 minutes to the school. She then immediately turned around and rode her bicycle south 180 meters in 4 minutes. She arrived at her destination, the park. • Complete the table. Show all calculations by the diagram. • Calculate the variables for the first part of her trip from house to school. • Calculate the variables for her entire trip from house to school to park. Distance (d) Displacement (Ax) Avg Speed (v avg) Total Time Avg Velocity (0ave) (0) Home to school Home to school to park School 240 m 180 m Park STOP 140 m House IVEW ORKSH AA

A large wheel with a radius of 7 m completes a revolution every 16 seconds. The bottom of the wheel is 1.5 m above the ground. a) Draw a graph showing the change in height of a person above the ground as a function of time for three revolutions, starting from the lowest point on the wheel. b) Formulate the equation corresponding to the graph. c) Predict the change in the graph and the equation if the Ferris wheel spins more slowly. d) Verify the prediction you made in c) by plotting the graph for three revolutions and revolutions and formulating the corresponding equation, if the wheel completes one revolution every 20 s. The average height of water in a harbour is 5 m. At low tide, the height of the water .

1. List down three factors that would affect the human reaction time in general. 2. Explain how your reaction time would change if this experiment was conducted on the moon. 3. Explain how your reaction time would change if the mass of the ruler was doubled.

Three force vectors act on an object as shown in the figure. The magnitudes of the forces as shown in the figure are F1 = 80.0 N, F2 = 60.0 N, and F3 = 40.0 N, where N is the standard Sl unit of force. Solve for the magnitude and direction of the resultant force. Express the direction using standard angle measurement. ANSWER FORMAT: space space space Example: 10.0N 30.0 degrees