University:
University of Colorado Boulder
Course:
PHYS 1110 | General Physics 1
Academic year:

2023
Views:

296

Pages:

2
Author:

rehinhea0c

Two forces are exerted on an object of mass m in the x direction as illustrated in the free-body diagram shown in (Figure 1). Assume that these are the only forces acting on the object. Which of the curves labeled A to D on the graph Which of the curves labeled A to D on the graph below could be a plot of x(t) , the position of the below could be a plot of vx(t) , the velocity of object along the x axis as a function of time? the object in the x direction as a function of time? World-class sprinters can accelerate out of the starting blocks with an acceleration that is nearly horizontal and has magnitude 15m/s2 . How much horizontal force F must a sprinter of mass 52 kg exert on the starting blocks to produce this acceleration? Which body exerts the force that propels the sprinter, the blocks or the sprinter? Scallops eject water from their shells to provide a thrust force. (Figure 1) shows a smoothed graph of actual data for the initial motion of a 25 g scallop speeding up to escape a predator. What is the magnitude of the net force needed to achieve this motion? How does this force compare to the 0.25 N weight of the scallop? A constant force is applied to an object, causing the object to accelerate at 8.0 m/s2 What will the acceleration be What will the acceleration be if What will the acceleration be if the object's mass is doubled? the force and the object's mass are if the force is doubled? both doubled? What will the acceleration be if the force is doubled and the object's mass is halved? The Lamborghini Huracan has an initial acceleration of 0.65g. Its mass, with a driver, is 1510 kg. If an 80 kg passenger rode along, what would the car's acceleration be?

Two Forces are Exerted Homework

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