Homework Answers
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This question basically deals with solving kinematic differential equations and plotting them.
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A speed vs. distance plot for a block traveling in a straight line on a horizontal...
A tension force pulls a block a distance 96 meters along a frictionless, horizontal floor. The...
A tension force pulls a block a distance 96 meters along a frictionless, horizontal floor. The block has a mass of 10 kg. If the tension force has a magnitude of 91 Newtons, and is oriented at 20-degrees above the horizontal, what was the work done by the tension force? Give the numerical answer in Joules.
The above figure shows height vs. displacement plot for a string which has a wave traveling...
The above figure shows height vs. displacement plot for a string
which has a wave traveling to in the positive x direction
at time t=2.9 sec with a velocity of 30 m/sec.
1) What is the amplitude of this wave?
2) What is the wavelength of this wave?
3) What is the frequency of this wave?
4) What is the vertical (y) velocity of a piece of
string at the point labeled 1? (Ans cm/ sec)
5) What is the...
Traveling Car Puntos:2 A car travels a certain distance along a straight road (in the +x...
Traveling Car Puntos:2 A car travels a certain distance along a straight road (in the +x direction). The distance the car travels as a function of time is shown in the figure below. When the car changes speed it does so uniformly. Select the appropriate choice for each statement 2000 800 600 400 200 20 40 60 80 Time (s) Less tha Greater than Equal to Greater than Equal to At 79 sec, the speed is as high as it...
answer part a-c please (13%) Problem 5: The speed of a block traveling on a horizontal...
answer part a-c please
(13%) Problem 5: The speed of a block traveling on a horizontal frictional surface changes from v, 16 m/s to v 11.5 m/s in a distance of d = 9.5 m. 33% Part (a) How long in seconds did it take for the block to slow by this amount, assuming the acceleration is constant? A 33% Part (b) If the block has a mass of 1 kg, What is the power supplied to the block by...
1_ in part 2 is your graph of s vs t a straight line? if not how would you describe the curve (what does...
1_ in part 2 is your graph of s vs t a straight line?
if not how would you describe the curve (what does the slope tell
about the velocity )
2_ in part 3 what does your graph of v vs the tell you about the
acceleration
70 60 50 40 30 DISTANCE (cm) 20 Time (sec) Average Time sec CONSTANT ACCELERATION TABLE 2-2 60 70 50 1. DISTANCE (crm). 40 20 30 459226226L-112 1.236 13512 26 1.235 95z...
1. The graph shows the motion of an object traveling in a straight line as a...
1. The graph shows the motion of an object traveling in a straight line as a function of time. What is the average speed of the object during the first two seconds? 5 m/s 2.5 m/s 10 m/s 20 m/s 2. Using the velocity versus time graph, what was the average acceleration of the object during segment B? 0 m/s/s 20 ms/s 10 m/s/s 5 m/s/s 3. Remember to identify all your data, write the equation, and show your work....
Problem 3 A 6-kg block is moving on a horizontal frictionless floor with a speed of...
Problem 3 A 6-kg block is moving on a horizontal frictionless floor with a speed of 4 m/s when a constant horizontal force F is applied to the block. The speed of the block increases to 10 m/s within a distance of 5 m. Find (a) initial and final kinetic energy, and (b) the applied force F Problem 4 A0.50 kg block sliding on a horizontal frictionless surface with a speed of 2.5 m/s strikes a light spring that has...
A machine’s motion is as shown below. NOTE: The line is NOT straight between t=6 and...
A machine’s motion is as shown below. NOTE: The line is
NOT straight between t=6 and t=8s.
1) Draw the s-t graph and a-t graph. Label key
points, axes; clearly distinguish between straight and curved
lines. Enter the value of acceleration, a, at t=8 s, for
the online answer below.
2) Determine the function of acceleration (a) and distance (s)
in terms of time (t) over the time interval 6 to 8 seconds.
18 15 12 9 6 velocity (ft/s)...
A machine’s motion is as shown below. NOTE: The line is NOT straight between t=6 and...
A machine’s motion is as shown below. NOTE: The line is
NOT straight between t=6 and t=8s.
1) Draw the s-t graph and a-t graph. Label key
points, axes; clearly distinguish between straight and curved
lines. Enter the value of acceleration, a, at t=8 s, for
the online answer below.
2) Determine the function of acceleration (a) and distance (s)
in terms of time (t) over the time interval 6 to 8 seconds.
18 15 12 9 6 velocity (ft/s)...
A moveable, horizontal line shown in red is depicted in the simulation. The horizontal distance of...
A moveable, horizontal line shown in red is depicted in the simulation. The horizontal distance of the red line from the origin of the tape measure calibrated in meters is denoted in the simulation by the distance of the same red line from the origin of the tape calibrated in Mrs. Slocombes is denoted by Ls. The simulation also shows a plot of Ls versus, and the value of Ls corresponding to the location of the red line is displayed...
The above figure shows height vs. displacement plot for a string
which has a wave traveling to in the positive x direction
at time t=2.9 sec with a velocity of 30 m/sec.
1) What is the amplitude of this wave?
2) What is the wavelength of this wave?
3) What is the frequency of this wave?
4) What is the vertical (y) velocity of a piece of
string at the point labeled 1? (Ans cm/ sec)
5) What is the...
Traveling Car Puntos:2 A car travels a certain distance along a straight road (in the +x direction). The distance the car travels as a function of time is shown in the figure below. When the car changes speed it does so uniformly. Select the appropriate choice for each statement 2000 800 600 400 200 20 40 60 80 Time (s) Less tha Greater than Equal to Greater than Equal to At 79 sec, the speed is as high as it...
answer part a-c please
(13%) Problem 5: The speed of a block traveling on a horizontal frictional surface changes from v, 16 m/s to v 11.5 m/s in a distance of d = 9.5 m. 33% Part (a) How long in seconds did it take for the block to slow by this amount, assuming the acceleration is constant? A 33% Part (b) If the block has a mass of 1 kg, What is the power supplied to the block by...
1_ in part 2 is your graph of s vs t a straight line?
if not how would you describe the curve (what does the slope tell
about the velocity )
2_ in part 3 what does your graph of v vs the tell you about the
acceleration
70 60 50 40 30 DISTANCE (cm) 20 Time (sec) Average Time sec CONSTANT ACCELERATION TABLE 2-2 60 70 50 1. DISTANCE (crm). 40 20 30 459226226L-112 1.236 13512 26 1.235 95z...
Problem 3 A 6-kg block is moving on a horizontal frictionless floor with a speed of 4 m/s when a constant horizontal force F is applied to the block. The speed of the block increases to 10 m/s within a distance of 5 m. Find (a) initial and final kinetic energy, and (b) the applied force F Problem 4 A0.50 kg block sliding on a horizontal frictionless surface with a speed of 2.5 m/s strikes a light spring that has...
A machine’s motion is as shown below. NOTE: The line is
NOT straight between t=6 and t=8s.
1) Draw the s-t graph and a-t graph. Label key
points, axes; clearly distinguish between straight and curved
lines. Enter the value of acceleration, a, at t=8 s, for
the online answer below.
2) Determine the function of acceleration (a) and distance (s)
in terms of time (t) over the time interval 6 to 8 seconds.
18 15 12 9 6 velocity (ft/s)...
A machine’s motion is as shown below. NOTE: The line is
NOT straight between t=6 and t=8s.
1) Draw the s-t graph and a-t graph. Label key
points, axes; clearly distinguish between straight and curved
lines. Enter the value of acceleration, a, at t=8 s, for
the online answer below.
2) Determine the function of acceleration (a) and distance (s)
in terms of time (t) over the time interval 6 to 8 seconds.
18 15 12 9 6 velocity (ft/s)...
A moveable, horizontal line shown in red is depicted in the simulation. The horizontal distance of the red line from the origin of the tape measure calibrated in meters is denoted in the simulation by the distance of the same red line from the origin of the tape calibrated in Mrs. Slocombes is denoted by Ls. The simulation also shows a plot of Ls versus, and the value of Ls corresponding to the location of the red line is displayed...
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