A stone of mass 5 kg drops from rest at a height of 6.11 m. What magnitude of impulse, J, does gravity impart to this stone from the instant it is dropped until it hits the ground, assuming negligib air resistance? J = kg. m/s

An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.00 m/s on a smooth, slippery surface. The 22.5-g arrow is shot with a speed of 36.5 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target? m/s

The magnitude of the net force exerted in the x direction on a 3.30-kg particle varies in time as shown in the figure below. F (N) A 2 1 2 3 4 5 4 02 = (a) Find the impulse of the force over the 5.00-s time interval. Ỉ - avg N.S (b) Find the final velocity the particle attains if it is originally at rest. m/s t (s) (c) Find its final velocity if its original velocity is -2.60 î m/s. m/s (d) Find the average force exerted on the particle for the time interval between 0 and 5.00 s. F II N

A 5.0kg object drops from a height of 2.5m above the floor. What is the object's momentum aftet 0.25s ? An average net force of 17.0N east acts on an object for 2.5\times 10^(2)s. What is the impulse?

A particle with a mass of 1.90 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 following. (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 particle (in m/s) if it is initially moving along the x-axis with a velocity of  −25.00 m/s.  m/s

Problem 2. A force acts on a 25.0 kg object with the magnitude as a function of time as shown in figure below. (a) Determine the impulse imparted by the force on the object between 0 and 30 seconds. (b) Determine the final velocity of the object if it had an initial velocity of 20.0 m/s in the negative direction. (c) Find the average force between t = 0 and 30 seconds. F,(N) 1000- t (s) 30 0- 10 20

A ball falls from height of 20.0 m, hits the floor, and rebounds vertically upward to height of 15.0 m. Assume that mball (a) What is the impulse (in kg. m/s) delivered to the ball by the floor? magnitude kg. m/s direction ---Select--- = 0.385 kg. (b) If the ball is in contact with the floor for 0.0300 seconds, what is the average force (in N) the floor exerts on the ball? magnitude N direction ---Select---

What is the impulse experience by a 2-kg object if the force acting on it is given in the following? F(N) 100 50 2 4 t(s)

An estimated force-time curve for a baseball struck by a bat is shown in the figure below. Let Fmax = 19,000 N, t₂ = 0.5 ms, and t = 3 ms. From this curve, determine the following. F (N) Fmax IA. t (ms) ta 0 (a) the magnitude of the impulse delivered to the ball N s (b) the average force exerted on the ball kN

If the impulse acting on a moving 100 kg object is zero, what does that mean about the velocity of the object? Recall that impulse is: F*t = m*Δv where Δv = vf - vi     vf > vi     vf = vi     vf < vi     Not enough information to determine.