# Tag: acceleration

### A cleaner pushes a 4.50-kg laundry cart in such a way that the net external force on it is 60.0 N. Calculate its acceleration.

### Continue reading “Acceleration of the Laundry Cart| Newton’s Second Law of Motion: Concept of a System| Dynamics| College Physics| Problem 4.3”

### (a) Take the slope of the curve in Figure 2.64 to find the jogger’s velocity at t = 2.5 s.

(b) Repeat at 7.5 s. These values must be consistent with the graph in Figure 2.65.

Continue reading “Graphical Analysis of One-Dimensional Motion| Kinematics| College Physics| Problem 2.64”

### Construct the displacement graph for the subway shuttle train as shown in Figure 2.18(a). Your graph should show the position of the train, in kilometers, from t = 0 to 20 s. You will need to use the information on acceleration and velocity given in the examples for this figure.

Continue reading “Graphical Analysis of One-Dimensional Motion| Kinematics| College Physics| Problem 2.63”

### By taking the slope of the curve in Figure 2.63, verify that the acceleration is 3.2 m/s² at t = 10 s.

Continue reading “Graphical Analysis of One-Dimensional Motion| Kinematics| College Physics| Problem 2.62”

### Using approximate values, calculate the slope of the curve in Figure 2.62 to verify that the velocity at t = 30.0 s is 0.238 m/s. Assume all values are known to 3 significant figures.

Continue reading “Graphical Analysis of One-Dimensional Motion| Kinematics| College Physics| Problem 2.61”

### Using approximate values, calculate the slope of the curve in Figure 2.62 to verify that the velocity at t = 10.0 s is 0.208 km/s. Assume all values are known to 3 significant figures.

Continue reading “Graphical Analysis of One-Dimensional Motion| Kinematics| College Physics| Problem 2.60”

### (a) By taking the slope of the curve in Figure 2.60, verify that the velocity of the jet car is 115 m/s at t = 20 s.

(b) By taking the slope of the curve at any point in Figure 2.61, verify that the jet car’s acceleration is 5.0 m/s².

Continue reading “Graphical Analysis of One-Dimensional Motion| Kinematics| College Physics| Problem 2.59”

### A skateboarder starts up a 1.0-m-high, 30° ramp at a speed of 6.9 m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air.

### A) How far from the end of the ramp does the skateboarder touch down?

### Your car tire is rotating at 4.0 rev/s when suddenly you press down hard on the accelerator. After traveling 300 m, the tire’s rotation has increased to 6.5 rev/s . The radius of the tire is 32 cm.

### A) What was the tire’s angular acceleration? Give your answer in rad/s²?

Continue reading “Angular Acceleration| Circular Motion| Physics”