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time=4.00 s stion 16 A force applied to an object for a time or 2.00 s...
A force is applied to a 3.5 kg object moving in the x-direction with the following profile over time: a. What value of F_max gives an impulse of 6.0 N s? b. If the object had an initial speed of 4.2 m/s, what was the change in kinetic energy after the force was applied?
A force F (8.9si-3.80t|) N, with t in units of s, is applied to a 2.00 kg object initially at rest. (a) At what time (in s) will the object be moving with a speed of 15.0 m/s? (Round your answer to at least two decimal places.) (b) How far (in m) is the object from its initial position when its speed is 15.0 m/s? (e) What is the total displacement (in m) through which the object traveled at this...
A force F-(8.85-4.75t j) N, with t in units of s, is applied to a 2.00 kg object initially at rest. (a) At what time (in s) will the object be moving with a speed of 15.0 m/s? (Round your answer to at least two decimal places.) (b) How far (in m) is the object from its initial position when its speed is 15.0 m/s? (c) What is the total displacement (in m) through which the object traveled at this...
The impulse of an object is 1 a. the product of (the peak force applied to an object) x (time interval during which the force acts). 2 b. the product of (the average force applied to an object) x (time interval during which the force acts). 3 c. the average force applied to an object for a period of 1 sec. 4 d. the peak force applied to an object for a period of 1 sec. 5 e. the total...
Exercises 1. Suppose a force acts on a 4.00 kg object in the x-direction. The force varies with time and is given by F(t)12.0t3 - 8.00 N. At t -0, the object has a velocity of 3.00 m/s in the positive x-direction. Use the impulse-momentum theorem to find the object's velocity after 2.00 s. 2. In a lab experiment, a spring gun projects a metal sphere. The sphere leaves the spring gun with a velocity of 3.00 m/s in the...
A force is applied to an 800 g object. Its velocity as a function of time is given v(t)= 2 [(t +1 s) m/s^2(i) − (t +1s)^-3 (ms^2)(j)]. (a) Find the magnitude of the initial velocity and its direction with respect to the positive x-direction. (b) Find the magnitude of the force at the time of 1 s. (c) Find the equation of the object’s trajectory. Initially, the object was at the origin.
1. Which object has the least momentum? Object A: m = 1kg, v = 100m/s Object B: m = 10kg, v = 12m/s Object C: m = 0.5kg, v = 1000m/s Object D: m = 100kg, v = 2m/s 2. If a 54 Ns impulse (recall, impulse is force*time, so it is measured in Newtons*seconds) is given to a 6kg object, then the trasnfer of momentum is. a. 6 Ns b. 9 Ns c. 54 Ns d. 324 Ns
Question 1 4 pts In a collision, an object experience a force for a specific amount of time that results in a change in the object momentum. The product of this force (F) and the time (t) for which the force acts is the Impulse (1) of the force. The SI unit of MOMENTUM and IMPULSE are: O Kgm/s and Ns respectively ONone of the above OKg and N respectively O Ns and kgm/s Question 2 3 pts It is...
A constant force applied to object a causes it to accelerate at 6.0 m/s^2 the same force applied to object b causes it to accelerate at 8.0 m/s^2. if the same force was applied to both masses together what would the resulting acceleration be? ignore friction
A 2.00 kg object starts at the origin with an initial velocity of 3.00 m/s in the direction of 20.0° N from E. The object feels a constant force of 5.00 N in the direction of 55.0° N from E for 4.00 s. a) What is the magnitude and direction of the acceleration? b) What are the components of the acceleration? c) What are the components of the initial velocity? d) What are the components of the final velocity? e)...