Answered: An object moving along a straight line… | bartleby

Related questions

Question

An object moving along a straight line is slowing down. Which one of the following statements
concerning the object's acceleration is necessarily true?
Select one:
a. The acceleration is positive.
b. The acceleration vector is in the same direction as the displacement.
c. The acceleration is negative.
d. The acceleration vector is opposite to the velocity.
e. The object is at rest.

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A rabbit is moving in the negative x-direction at 1.50 m/s when it spots a predator and accelerates to a velocity of 12.7 m/s along the positive y-axis, all in 1.80 s. Determine the x-component and the y-component of the rabbit's acceleration. (Enter your answers in m/s2. Indicate the direction with the signs of your answers.)
A jetliner goes from rest to a takeoff speed of 172 mi/h in 38.3 s. What is the magnitude of its average acceleration? m/s2
An object moving with uniform acceleration has a velocity of 10.0 cm/s in the positive x direction when its x coordinate is 3.06 cm. If its x coordinate 1.95 s later is -5.00 cm, what is its acceleration? cm/s²
An object moving with uniform acceleration has a velocity of 11.0 cm/s in the positive x-direction when its x-coordinate is 3.21 cm. If its x-coordinate 2.25 s later is −5.00 cm, what is its acceleration? cm/s2
9. An object initially at rest experiences an acceleration of 2.00 m/s2 for 5.50 s then travels at that constant velocity for another 8.60 s. What is the magnitude of the object's average velocity over the 14.1 s interval? m/s 60 ssfor 60 ssfo sfo ssf60 s
An object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x-direction when its x-coordinate is 2.73 cm. If its x-coordinate 1.85 s later is −5.00 cm, what is its acceleration? cm/s2
From a height of 11.0 m an object is sent directly downward with an initial velocity of 1.2 m/s. Determine how long the object stays in the air before touching the ground below. 1.38 s 1.20 s 1.86 s ○ 1.00 s
From the top of a cliff, a person throws a stone straight downward. The initial speed of the stone just after leaving the person's hand is 9.7 m/s. (a) What is the acceleration (magnitude and direction) of the stone while it moves downward, after leaving the person's hand? magnitude m/s2
A goalie completes a goal kick with the ball on the ground. The ball has a vertical velocity of 35 m/s and a horizontal velocity of 20 m/s when it leaves the goalie's foot. How long is the soccer ball in the air? Ignore air resistance. A.) 3.57 s B.) 2.04 s C.) 7.14 s
A coyote chasing a rabbit is moving 8.00 m/s due east at one moment and 8.80 m/s due south 3.90 s later. Let the x axis point due east and the y axis point due north. a) Find the x and y components of the coyote’s average acceleration during that time. b) Find the magnitude of the coyote’s average acceleration during that time. c) Find the direction of the coyote’s average acceleration during that time.
A particle travels along the +x axis. At t = 0 s, its velocity is 10.0 m/s and its acceleration is -2.0 m/s^2. Question A: Which of the following statements is true? 1. The particle will slow down and eventually come to a complete stop 2. The particle cannot have a negative acceleration and be moving in the positive x direction 3. The particle will continue to move in the positive x direction, slowing but never coming to a complete stop. 4. The particle will slow down, stop momentarily, then speed up in the x- direction. Question B: At what time will the particle be stopped? 1. t = 5.0 s 2. t = -5.0 s 3. t = -0.2 s 4. The particle does not ever stop Question C: What is the particle's displacement from its initial position at t = 10.0 s ? Please Answer questions A, B, and C
8

SEE MORE QUESTIONS