40. What does the illustration tell about the distance of the two objects?a. Box A is near Box Bb. Box B is far away from Box Ac. Box A is 45 cm away from Box Bd. Box A and Box B has a total distance of 45 cm41. Which Is correct about speed and velocity?a. Speed and velocity are both vector quantities.b. Speed and velocity describe how fast or slow a body movesc. Speed and velocity are both expressed in terms of the rate of change.d. Speed and velocity describe as how fast or how slow body moves with oneinvolves direction.For item no. 42, refer to the graph below:v, (m/s)4.2-t (s)40-1342. The graph shows:a. Instantaneous speedb. line graphC. position versus timed. velocity versus time43. What is a vector quantity?a. An empty quantity.b. A quantity described by directlon only.C. A quantity described by magnitude only.d. A quantity described by both a magnitude and a direction.44. What symbol is typically used to draw a vector?b. Hash tagC. Plus signd. The letter Xa. Arrow45. Which of the following measurements is a scalar measurement?a. Accelerationb. Forcec. Momentumd. Speed46. Multiplying or dividing vectors by scalars results in:a. Scalar b. Vectorc. Scalars if multiplled scalarsd. Vectors If multiplied or scalars if divided47. Which of the following is a physical quantity that has both magnitude and direction?a. Frame of referenceb. Scalarc. Resultantd. VectorFor Items items no. 48-50, add the following components of vector using analytical method.Vector A represents the first leg of a walk in which a person walks 53.0 m lIn a direction20.0 degress north of east. Vector B represents the second leg, a displacement of 34.0 min a direction 63.0 degrees north of east.48. Find the x and y components of the resultant vectors, respectively.a. 65.1 m; 48.4 mb. 65.2 m; 48.4 mc. 65.3 m; 48.6 md. 65.4 m; 48.6 m49. Find the magnitude of the resultant vector.b. 81.4 mc. 82.2 md. 82.4 ma. 81.2 m50. Find the direction of the resultant.d. 37.6 degreesb. 35.6 degreesc. 36.6 degreesa. 34.6 degrees31

As per our guidelines, I'll solve the first three questions from 41 (Q.no. 40 is incomplete). If you…

41. Which is correct about speed and velocity? a. Speed and velocity are both vector quantities. b. Speed and velocity describe how fast or slow a body moves. c. Speed and velocity are both expressed in terms of the rate of change. d. Speed and velocity describe as how fast or how slow body moves with one involves direction. For item no. 42, refer to the graph below: v, (m/s) 4 2- I (s) 4. 1 42. The graph shows: a. Instantaneous speed b. line graph C. position versus time d. velocity versus time 43. What is a vector quantity? a. An empty quantity. b. A quantity described by directlon only. c. A quantity described by magnitude only. d. A quantity described by both a magnitude and a direction. -3-

41. Which is correct about speed and velocity? a. Speed and velocity are both vector quantities. b. Speed and velocity describe how fast or slow a body moves. c. Speed and velocity are both expressed in terms of the rate of change. d. Speed and velocity describe as how fast or how slow body moves with one involves direction. For item no. 42, refer to the graph below: v, (m/s) 4 2- I (s) 4. 1 42. The graph shows: a. Instantaneous speed b. line graph C. position versus time d. velocity versus time 43. What is a vector quantity? a. An empty quantity. b. A quantity described by directlon only. c. A quantity described by magnitude only. d. A quantity described by both a magnitude and a direction. -3-

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 39PE: Gun sights are adjusted to aim high to compensate for the effect of gravity, effectively making the...

See similar textbooks

Similar questions

A spacecraft lands on a newly discovered planet orbiting the star 51 Pegasi. To measure the acceleration from gravity on the planet, an astronaut drops a rock from a height of 2 m. A precision timer indicates that it takes the rock 0.71 s to fall to the surface. What is the acceleration from gravity on this planet?
. The roller coaster in Figure 1.39 starts at the top of a straight track that is inclined 30° with the horizontal. This causes it to accelerate at a rate of 4.9 m/s2 (1/2 g). (a) What is the roller coasters speed after 3 s? (b) How far does it travel during that time?
Your car is parked at the high school. After school you take off and travel for 27 km towards lowa City. At this point, you realize you forget your wallet and travel back to Tipton for 15 km before you find your wallet was just on the floor. You turn back and head towards low city for 36 km. What is your displacement?
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.
26. A bird tries to fly east a speed of 25 mph, but because of the wind, the bird ends up flying north at a speed of 5 mph.26a. How fast is the wind blowing?26b. What direction is the wind blowing?
A child is standing on the edge of a cliff overlooking a river. The cliff is 8m above the edge of the river and the river is 20m wide where the child is located. If the child can throw a rock with a speed of 20m/s, (a) what will be the rocks velocity and position after 1 second? (b) What will be the rocks speed and direction when it strikes the ground (or water)?
Whale sharks swim forward while ascending or descending. They swim along a straight-line path at a shallow angle as they move from the surface to deep water or from the depths to the surface. In one recorded dive, a shark started 50 m below the surface and swam at 0.85 m/s along a path tipped at a 13° angle above the horizontal until reaching the surface.a. What was the horizontal distance between the shark’s starting and ending positions?b. What was the total distance that the shark swam?c. How much time did this motion take?
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. The soccer ball is kicked at 50° from the edge of the building with an initial velocity of 10 m/s and lands 20 meters away from the wall of the building. Which equation will allow you to solve for the amount of time the ball is in the air? Hint: look at your givens in the x-direction. Group of answer choices A. vfx2=v0x2+2axΔx B. vfx=v0x+axt C. Δx =v0x t + ½ axt2
A 19856kg helicopter moved upward with a constant acceleration from text to a height of 491m. The spinning blades create an upward thrust of 378247N that lifts the helicopter into the air. What is the acceleration of the helicopter? (Round to the nearest thousandth if necessary)
1. An object is at x = -10 m moving at a constant velocity of 10 m/s. What would be the position of the body after 10 seconds? 2. Two siblings, Kaeya and Diluc, decided to take a walk around Mondstadt, following its perimeter guarded by walls. For those who haven't seen Mondstadt, you can imagine it as a city of walls with beautiful German architecture. Let's roughly assume that the walls are encircling it in a perfect circle. Both Kaeya and Diluc started at the front of the huge city gate (marked at 0 degrees), and they walk separately, away from each other. Assuming that radius of the circular city of Mondstadt to be 500 m, and the constant walking speed of both siblings to be 0.5 m/s, how long until the siblings achieve the greatest separation distance between them? 3. Please refer to the following vectors:A = 6i + 2j - 3kB = 3i - j - 2kC = -i + j - 4kD = j - 3kE = -i + 2kF = -5kG = 2iH = -3jI = -4i +4j Find the projection of vector C on vector D. 4. You throw a glob of putty…
A person is standing on top of a building. While standing at the edge of the building the person throws a water balloon downward with a speed of 14 m/s and at an angle of 44° below the horizontal. It takes 2.9 s for the water balloon to hit the person's friend. (a) How high is the building in meters? (b) How fast is the water balloon moving when it hits the friend on the ground? Give your answer in m/s. (c) What was the horizontal distance between the friend on the ground and the building in meters?
(6) Please don't write on a paper. I can't understand handwritten. A hot air balloon flying with a horizontal speed of 20.0 m/s at 1 000 m height. If a person throws a stone to the ground, at what horizontal distance will the stone land?