Homework Answers
a) the acceleration is towrds east.
Since the car was slowed down as it approaches a traffic light, the velocity and acceleration are in opposite directions. As it was traveling towards west, the acceleration will be towards east.
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4) (5 pts) Suppose that a car traveling to the west (or negative x-direction) begins to...
7 of 17 A car traveling to the west (-x direction) begins to slow down, then...
7 of 17 A car traveling to the west (-x direction) begins to slow down, then the car's acceleration is:
6) Cathy is in a car and the direction of Cathy's velocity is west, there is...
6) Cathy is in a car and the direction of Cathy's velocity is west, there is a net force acting on the car, what is the car doing? (Be careful, Canvas will not have the same order for the answers below!) Must be Speeding up in the west direction Must be slowing down in the cast direction Must be Moving at a constant velocity It could be either speeding up or slowing down. It could be either accelerating or moving...
could you please do all parts. (a-e) Problem 4 Truck A starts at rest and moves faster and faster toward the east so...
could you please do all parts. (a-e)
Problem 4 Truck A starts at rest and moves faster and faster toward the east so that its speed increases by 3.0 m/s each second. At the same time that truck A begins to move, car B is 200 m east of truck A. Car B is initially moving at speed 16 m/s toward the west and begins to slow down by 1.0 m/s each second. West East tx (b) A West East...
Physies Midterm One-Dimensional Motion A car is traveling with negative velocity and has a negtive accelenstion...
Physies Midterm One-Dimensional Motion A car is traveling with negative velocity and has a negtive accelenstion Which of the following statements best describes the motion of the car? A. the car is slowing down B. the car is speeding up C. this is an impossible scenario D. the car is decelerating 14. A car changes its velocity from O m's to a final velacity v. Which of te following words is used to describe chane in velocity with respect to...
Draw graph for position, velocity, and acceleration based on the word description. how does the position...
Draw graph for position, velocity, and acceleration based on the
word description. how does the position graph look like, same with
velocity and acceleration according to the description? Thank
you
Case 13 Word description of the motion: At some position x > 0 the object is traveling in the negative x-direction and slowing down at a constant rate The object momentarily comes to rest at some position x <0. Immediately it begins to speed up again at a constarnt rate...
10 pts D Question 7 Ann is traveling west on the highway at 70 mi/hr. Bob...
10 pts D Question 7 Ann is traveling west on the highway at 70 mi/hr. Bob is traveling east toward Ann at 65 mi/hr. What is Bob's velocity from Ann's frame of reference? O 5 mi/hr west 0 135 mi/hr east O 5 mi/hr east 0 135 mi/hr west
→XCIO D Question 11 7.5 pts An object moves in the x direction only under a...
→XCIO D Question 11 7.5 pts An object moves in the x direction only under a constant acceleration. It's acceleration is 3 m/s in the *x direction. It is originally moving at 14 m/s in the direction. How long does it take in seconds, to travel a displacement of 22 m in the ex direction? Hint: Find the velocity at this displacement similar to the last question, first. Question 12 7.5 pts Car 1 is at rest at a traffic...
A police car is traveling in a straight line with a constant speed "Vp". A truck...
A police car is traveling in a straight line with a constant speed "Vp". A truck traveling in the same direction with the speed "3*Vp/2" passes the police car. The truck begins to slow down (the moment it passes the police car) at a constant acceleration of "-a" until it comes to a stop. Then the police car passes the truck. What is the maximum velocity the truck can have, so that the police car will reach him before he...
Reading Velocity Graphs motion diasrams to each s ons for Y and a Given the following...
Reading Velocity Graphs motion diasrams to each s ons for Y and a Given the following velocity vs. time graphs answer the questions that follow A for a raphs 1D Is graph A speeding up or slowing down? Explain. 2) Is graph B speeding up or slowing down? Explain. Slow: 31 A(s store 3) Is the acceleration of A positive or negative? How about for B? Explain. A:Tes, pos ólope B:nes, nes slope Which graph has a greater magnitude of...
2. A police car is traveling at a constant velocity of 20.0 m/s due north, when...
2. A police car is traveling at a constant velocity of 20.0 m/s due north, when a car zooms by at a constant velocity of 45.0 m/s due north. After a reaction time of 0.800 s the policeman begins to pursue the speeder with an acceleration of 5.00 m/s?. Including the reaction time, how long does it take for the police car to catch up with the speeder? Sketch the position vs time plot for the two motions and show...
7 of 17 A car traveling to the west (-x direction) begins to slow down, then the car's acceleration is:
6) Cathy is in a car and the direction of Cathy's velocity is west, there is a net force acting on the car, what is the car doing? (Be careful, Canvas will not have the same order for the answers below!) Must be Speeding up in the west direction Must be slowing down in the cast direction Must be Moving at a constant velocity It could be either speeding up or slowing down. It could be either accelerating or moving...
could you please do all parts. (a-e)
Problem 4 Truck A starts at rest and moves faster and faster toward the east so that its speed increases by 3.0 m/s each second. At the same time that truck A begins to move, car B is 200 m east of truck A. Car B is initially moving at speed 16 m/s toward the west and begins to slow down by 1.0 m/s each second. West East tx (b) A West East...
Physies Midterm One-Dimensional Motion A car is traveling with negative velocity and has a negtive accelenstion Which of the following statements best describes the motion of the car? A. the car is slowing down B. the car is speeding up C. this is an impossible scenario D. the car is decelerating 14. A car changes its velocity from O m's to a final velacity v. Which of te following words is used to describe chane in velocity with respect to...
Draw graph for position, velocity, and acceleration based on the
word description. how does the position graph look like, same with
velocity and acceleration according to the description? Thank
you
Case 13 Word description of the motion: At some position x > 0 the object is traveling in the negative x-direction and slowing down at a constant rate The object momentarily comes to rest at some position x <0. Immediately it begins to speed up again at a constarnt rate...
10 pts D Question 7 Ann is traveling west on the highway at 70 mi/hr. Bob is traveling east toward Ann at 65 mi/hr. What is Bob's velocity from Ann's frame of reference? O 5 mi/hr west 0 135 mi/hr east O 5 mi/hr east 0 135 mi/hr west
→XCIO D Question 11 7.5 pts An object moves in the x direction only under a constant acceleration. It's acceleration is 3 m/s in the *x direction. It is originally moving at 14 m/s in the direction. How long does it take in seconds, to travel a displacement of 22 m in the ex direction? Hint: Find the velocity at this displacement similar to the last question, first. Question 12 7.5 pts Car 1 is at rest at a traffic...
Reading Velocity Graphs motion diasrams to each s ons for Y and a Given the following velocity vs. time graphs answer the questions that follow A for a raphs 1D Is graph A speeding up or slowing down? Explain. 2) Is graph B speeding up or slowing down? Explain. Slow: 31 A(s store 3) Is the acceleration of A positive or negative? How about for B? Explain. A:Tes, pos ólope B:nes, nes slope Which graph has a greater magnitude of...
2. A police car is traveling at a constant velocity of 20.0 m/s due north, when a car zooms by at a constant velocity of 45.0 m/s due north. After a reaction time of 0.800 s the policeman begins to pursue the speeder with an acceleration of 5.00 m/s?. Including the reaction time, how long does it take for the police car to catch up with the speeder? Sketch the position vs time plot for the two motions and show...
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