matlab question A certain object has a mass of 100 kg and is acted on by a force f(,) = 500[2-c" sin(5m)] N. The...
A particle with a mass of 1.75 kg is acted on by a force Facting in the x-direction. If the magnitude of the force varies in time as shown in the figure below, determine the following F, (N) 8 6 n 4 2 t(s) 2 3 4 5 (a) impulse of the force (in kg. m/s) kg. m/s (b) final velocity of the particle (in m/s) if it is initially at rest m/s (c) Find the final velocity of the...
A particle with a mass of 3.00 kg is acted on by a force F, acting in the x-direction. If the magnitude of the force varies in time as shown in the figure below, determine the following.(a) Impulse of the force (in kg · m/s) (b) final velocity of the particle (in m/s) if it is initially at rest (c) Find the final velocity of the particle (in m/s) if it is initially moving along the x-axis with a velocity of -2.00...
14. At a certain instant, a partide-like object is acted on by a force F=8.0i+4.0j-2.0k (in N) while the object has a velocity given by V=4.0i-2.0k (in m/s). What is the instantaneous power at which this force does work on the object. A.28W B.40W C.36W D.32W E.24W
A 21 kg object is acted on by a conservative force given by F = -1.0x - 6.0x^2, with F in newtons and x in meters. Take the potential energy associated with the force to be zero when the object is at x = 0. (a) What is the potential energy of the system associated with the force when the object is at x = 1.7 m? (b) If the object has a velocity of 4.0 m/s in the negative...
14)A particle with a mass of 1.80 kg is acted on by a force Fx acting in the x-direction. If the magnitude of the force varies in time as shown in the figure below, determine the final velocity of the particle in m/s) if it is initially at rest F. (N) a) 24 m/s b) 14.1 m/s c) 28 m/s d) 16 m/s e) 13.3 m/s
A 20 kg object is acted on by a conservative force given by F = −3.0x − 5.0x2, with F in newtons and x in meters. Take the potential energy associated with the force to be zero when the object is at x = 0. (a) What is the potential energy of the system associated with the force when the object is at x = 5.0 m? (b) If the object has a velocity of 2.0 m/s in the negative...
A force is acted on an object F=3t+6t^2 and its mass is 3kg. a) What is the acceleration of an object? b) What is the velocity of an object ?
2. 100 N box shown in the figure is acted upon by a force having a variable magnitude F=10t-5t N where t is in seconds. The initial velocity is vi=5 m/sec and the coefficient of friction between the box and plane is u=0.4. (g = 9.81 m/sec?) (25 points) (a) Find the velocity of box 5 seconds after F has been applied. (b) Find the normal force. (c) Find the acceleration of box in terms of t. F
A 100 kg object experience a net force of (120i+140j) N, it is initially at rest, and its position starts at the origin. What is the object's acceleration? After 4 seconds, what is the velocity of this object? What is its position after 5 seconds (x,y), distance from the origin and angle defined from the positive x-axis?
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...