8. 45 kg skier slides down a 410 incline. What would be the magnitude of the skier's acceleration if friction is ignored? O A. 2.5 m/s2 B. 1.65 m/s2 C. 0.4 m/s2 O D. 6.4 m/s2 O E. 0.6 m/s2 O F. 5 m/s2 O G. zero

8. 45 kg skier slides down a 410 incline. What would be the magnitude of the skier's acceleration if friction is ignored? O A. 2.5 m/s2 B. 1.65 m/s2 C. 0.4 m/s2 O D. 6.4 m/s2 O E. 0.6 m/s2 O F. 5 m/s2 O G. zero

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A 4 kg bowling ball is dropped from a building, and accelerates down toward the earth at 9.8 m/s^2. Next, a 8 kg bowling ball is dropped from the same building. What acceleration will it experience? A. 9.8 m/s^2 B. 19.6 m/s^2 C. 4.9 m/s^2 D. It cannot be determined
A 75.0 kg skier slides down a 75.0 m high slope without friction. The velocity of the skier at the bottom of the slope is a. 40.5 m/s. O b. 38.3 m/s. C. 50.0 m/s. d. 20.6 m/s. O e. 29.7 m/s.
ic.A 70-kg box is slid along the floor by a 400-N force. The coefficient of friction between the box and the floor is 0.5 when the box is sliding. Find the acceleration of the box. O a. 0.8 m/s2. b. 0.18 m/s2. c. 8 m/s2. O d. 8.1 m/s2. O e. 0.81 m/s2.
15. A skier is at the top of a frictionless hill. The hill makes an angle of 30.0° relative to the horizontal. What would be her acceleration down the hill? A. 2.9 m/s² B. 4.9 m/s² C. 3.3 m/s2 D. 3.8 m/s² E. 8.5 m/s²
A 10-kg object is to be given an upward acceleration of 0.3 m/s2 by a rope pulling straight upward on it. What must be the tension in the rope? a. 51 N. b. 50.6 N. c. 60 N. d. 59 N. e. 59.1 N. A student driving a car travels 9 km in 0.4 Hour. What was her average speed? * 5.65 m/s 6.56 m/s 5.56 m/s 6.65 m/s O 6.25 m/s
A 115-kg object is initially moving in a straight line with a speed of 50.0 m/s. If it is brought to a stop with a constant acceleration of 1.50 m/s², how much force is required to stop the object? a. 150 N b. 173 N c. 800 N d. 500 N
2. What is the acceleration along the ground of a 10 kg wagon when it is pulled with a force of 44 N at an angle of 35° above the horizontal? a. 0.23 m/s^2 b. 0.28 m/s^2 c. 2.52 m/s^2 d. 3.60 m/s^2 3. A puppy finds a rawhide bone and begins to pull it with a force, Ft. The free-body diagram is shown. Which describes what happens to the bone? a. It begins to move toward the right. b. It stays in dynamic equilibrium. c. It stays in static equilibrium. d. It begins to move toward the left. `Fx = 8 N F,= -4 N F, = 6 N F =-8 N 4. You walked 10 km west and then ran 10 km north. During each part of the journey, the was the same. a. distance b. displacement c. speed d. velocity 5. A velocity vs. time graph for an object is shown. Which best describes the acceleration of the object? a. constant and positive C. constant and negative b. changing and positive d. changing and negative Velocity vs Time 4 2 1 2 3 4 Time (s) Velocity (m/s)
An 7.57 kg wagon on a level surface is pulled by a 34.9 N force directed at 24° above the horizontal. If the coefficient of friction is 0.212, what is the net acceleration of the wagon (in m/s²)? O a. 0.921 O b. 0.633 O c. 1.27 O d. 0.844 O e. 3.37 O f. 2.53 O g. 1.74 Oh. Not shown here.
. (a) A car is traveling over a circular hill with a speed v. Its weight, mg, and normal force N are shown in the figure below. What is the centripetal force Fr mg, and v. in this case? Express the answer in terms of N, r,net Choices: A. F = N - mg r,net B. F r, net C. F ✓ A B r, net = mg - N = mg D. F = N r,net x A. mg = N N (b) Under what conditions will the car be able to go over the hill? X ! No, that's not the correct answer. mg
A 1.5 kg falling object stops accelerating and continues to move at constant velocity. What is the amount of the air resistance encountered by the object? a. 14.7 N b. less than 14.7 c. greater than 14.7 d. between 0 and 14.7
The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? a. 11 m/s^2 upward b. 1.2 m/s^2 upward c. 1.2 m/s^2 downward d. 10 m/s^2 upward e. 2.4 m/s^2 downward
a = 1.25 m/s2 Which of the following gives the distance traveled by the block after 20 seconds from rest?a. 280 m c. 250 mb. 230 m d. 266 m Which of the following gives the coefficient of friction between the block and the horizontal plane?a. 0.12 c. 0.08b. 0.10 d. 0.09