different.e. There is not enough information to draw any conclusions regarding distance anddisplacement.7. If a car is travelling, north with a constant speed of 25.0 m/s, what is the net force thatacts on the car?a. EF = 9.80 Nb. ΣF-0C. EF =-9.80 Nd. EF = 25.O Ne. We cannot draw any conclusions about the force because we do not know themass of the car.8. If a fly collides with a windshield of a fast-moving car, which experiences impact forcewith a larger magnitude?a. The fly.b. The car.C. Both experience the same force.d. Depends whether the car isla Ford or a Holden.e. None of the above.Page 13 of 16Assessment 3 of Semester 2, 2021PHYS0004 Fundamentals of Physics9. Select the most true statement from the following:a. Joule (J) is a unit of work.b. Joule (J) is a unit of energy.c. Joule (J) is a unit of power.

Answered: Image /qna-images/answer/f827ed07-ea3a-43e8-aa0f-b931ff19871e.jpg

7. If a car is travelling, north with a constant speed of 25.0 m/s, what is the net force that acts on the car? a. F = 9.80 N b. ΣF0 C. EF =-9.80 N d. EF 25.O N e. We cannot draw any conclusions about the force because we do not know the %3D %3D mass of the car.

7. If a car is travelling, north with a constant speed of 25.0 m/s, what is the net force that acts on the car? a. F = 9.80 N b. ΣF0 C. EF =-9.80 N d. EF 25.O N e. We cannot draw any conclusions about the force because we do not know the %3D %3D mass of the car.

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

Thanks
1. A 1500 kg vehicle accelerates from rest at 2.5 m/s?. If the engine generates a 4200 N Applied force, a. Calculate the Net Force acting on the car b. Calculate the Force of friction acting on the vehicle
Give the weight of the following objects: a. An object with a mass of 5kg b. An object with a mass of 15kg c. An object with a mass of 15kg on the moon, where g=1.6
Thanks for the help!!
7. You put a box on a skateboard and give it a quick push with a certain force. It starts to move. After it leaves your hand, it will... * a. Continue at a constant speed forever. O b. Slow down constantly until it stops. c. Speed up constantly forever. d. Speed up for a little while, then go at a constant speed forever. e. Speed up for a little while, go at a constant speed for a while, then slow down to a stop. sheet of oa
A 1000 kg car was travelling at 45m/s when it hit a concrete wall due to drunk driving. Find the average force of impact if the car was put to a complete stop after 0.5 seconds. * A. 70 000 N B. 95 000 N C. 85 000 N D. 90 000 N E. 80 000 N
1.
24. A pickup truck with mass 980 kg is initially at rest. The truck accelerates to a speed of 95 km/hr within a distance of 60 meters. What the direction and size of the force that acts on the truck? a. b. If the truck were carrying a load of 200 kg, what new force would be required to achieve the same acceleration?
A 200 kg object stay in rest on a 60 degree slope, the normal force on the object is: a. 200 kg b. 1960 N c. 1697 N d. 490 N e. 980 N
A high jumper with a body weight of 900N exerts an average vertical force of 2150N down on the floor for 0.50 s. The average vertical force exerted on the jumper by the floor is: a. 2150N b.1640N c. 900N d.3050N
3. Am=12.0 kg object is placed on a bathroom scale in an elevator. a. Draw a free body diagram of the object. Label the forces. Determine the apparent weight (the weight that would show in the scale) of the object if. b. The elevator is at rest. c. The elevator is rising at a constant velocity. d. The elevator is accelerating upward at 1.5 m/s/s. m e. The elevator is accelerating downward at 1.5 m/s/s. f. The elevator is accelerating downward at 10 m/s/s.
C. a. 1. Alan (m = 50 kg) and Diego (m = 40 kg) are standing on a frictionless ice rink, facing each other, when Alan pushes Diego. Diego moves with an acceleration of 1 m/s². What is the magnitude of Alan's acceleration? a. .8 m/s² b. 1.0 m/s² c. 1.25 m/s² d. Cannot be determined 2. How much horizontal force must a girl apply to a 50 kg cabinet to accelerate it at .4 m/s² along a horizontal surface if there is a friction force of 70 N? b. 50 N e. 90 N 3. Students design an experiment to determine the relationship between mass and acceleration where a cannon fires varying masses. Motion sensors are used to measure the velocity of the cannon ball while it is in the cannon. A graph of one of the trials is shown to the right. The mass is then increased for the next trial while keeping everything else the same. What should the velocity vs. time graph look like for this next trial? The second trial is the dashed line. 120 100 80 60 40 20 0 0 120 100 80 60 40 20 a. 20 N d. 80 N D Velocity…