race? 5. An object is traveling at a speed of 20.0 cm/s and is accelerated at...
1. The velocity of an object traveling along the x-axis changes from 20 m/s to 60 m/s in 10 seconds. What was the displacement that occurred during this time? 2. An object moving along the x-axis initially has a velocity of 60 m/s and is slowing rest? down at the rate of 4 m/s per second. How far (in meters) will it travel before coming to 3. An accelerating object travels 12 meters from rest in a certain time. How...
4. An object travels 40.0 m east at a constant speed of 10.0 m/s. The object then travels 30.0° east of north, starting at 10.0 m/s but undergoing a constant acceleration to a final speed of 20.0 m/s over a period of 10.0 seconds. What is its total displacement?
An object with a mass of 9.00 g is moving to the right at 14.0 cm/s when it is overtaken by an object with a mass of 25.0 g moving in the same direction with a speed of 20.0 cm/s. If the collision is elastic, determine the speed of each object after the collision in centimeters per second. 25.0 g object cm/s 9.00 g object cm/s
Question 5: Water is traveling in a horizontal pipe of radius 1.0 cm with speed 2.0 m/s. a) What is the volumetric flow rate in the pipe? b) What is the speed of flow where the pipe constricts to radius 0.50 cm?
8. An airplane traveling north at 400 m/s is accelerated due east at a rate of 50 m/s for 6s If the effects of air resistance and gravity are ignored, what is the final speed of the plane? A) 300 m/s B) 400 m/s C) 500 m/s D) 700 m/s E) 800 m/s
A sinusoidal wave is traveling on a string with speed 28.0 cm/s. The displacement of the particles of the string at x = 8.3 cm is found to vary with time according to the equation y = (1.3 cm) sin[1.6 - (5.4 s-1)t]. The linear density of the string is 6.4 g/cm. What are (a) the frequency and (b) the wavelength of the wave? If the wave equation is of the form y(x,t) = ym sin(kx - ωt), what are...
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....
An object is observed to be traveling at a speed of 11.5 m/s in the -x direction at the present moment. What was its velocity 54.69 seconds ago (in m/s)? (Include the sign of velocity in your answer.) Its acceleration during this interval was 6.7 m/s^2 pointed in the +x direction.
A race car is traveling at a constant speed of 102 m/s around a circular track with a radius of 3250 m. How long does it take the race car to go around the track once? Express your answer in seconds.
5. An object is placed 20.0 cm in front of a mirror and a real, inverted image is detected a distance of 30.0 cm in front of the mirror. (a) What is the radius of curvature of the mirror? (b) Draw a (somewhat to scale) ray diagram showing the mirror, object, and image.