A wrecking ball of mass 190 kg strikes a concrete pile from a vertical height of...
A wrecking ball of mass 190 kg strikes a concrete pile from a vertical height of 5 m. Determine the velocity that it strikes the pile with, and the energy released if it reaches a height of 2 m after striking the pile. It strikes the pile when it is at its lowest point.
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A wrecking ball of
mass 190 kg strikes a concrete pile from a vertical height of...
1) A red ball of mass mı = 15.0 kg is hung on a rope that's...
1) A red ball of mass mı = 15.0 kg is hung on a rope that's L = 5.00 m, long. Initially, it's held 1) ; horizontally, with the rope stretched taut, as shown in the figure, and te released. When it reaches the vertical position, it strikes a blue ball of mass, m2-0.900 kg, sitting on a frictionless shelf. As it continues to swing,it then strikes a third green ball of mass, 1.10kg, hanging on a rope that's 3.00...
8%) Problem 5: A golf ball m=0.185 kg strikes a vertical concrete wall elastically with a...
8%) Problem 5: A golf ball m=0.185 kg strikes a vertical concrete wall elastically with a horizontal velocity of y = 14 m/s. Randomized Variables m= 0.185 kg v=14 ms 25% Part (a) Write an expression for the magnitude of the impulse / experienced by the ball, o B CD S 9 7 4 a d S 2 6 3 h m P 0 S t VO Submit Hint I give up! Hints deduction per hit Hints remaining Feedbacle deduction...
A steel ball of mass m = 1 kg and a cord of negligible mass and...
A steel ball of mass m = 1 kg and a cord of negligible mass and
length L = 2 m make up a simple pendulum that can pivot without
friction about the point O (see below). This pendulum is released
from rest in a horizontal position and when the ball is at its
lowest point it strikes a block of mass m = 1 kg sitting at rest on
a shelf. Assume that the collision is perfectly elastic and...
A drop hammer of mass 120 kg falls 2.5 m onto a pile of mass 250 kg and drives it 70 mm into the ground. Calculate: The velocity with which the hammer strikes the pile (use the conservation of ene...
A drop hammer of mass 120 kg falls 2.5 m onto a pile of mass 250 kg and drives it 70 mm into the ground. Calculate: The velocity with which the hammer strikes the pile (use the conservation of energy principle) The velocity immediately after the impact(use the conservation of momentum principle, assuming the hammer does not rebound on impact) The average ground resistance (use work-energy method)
A 0.25 kg ball is suspended from a light 1.1 m string as shown. The string...
A 0.25 kg ball is suspended from a light 1.1 m string as shown. The string makes an angle of 21° with the vertical. Let U = 0 when the ball is at its lowest point (θ = 0). 1. What is the gravitational potential energy, in joules, of the ball before it is released? 2. What will be the speed of the ball, in meters per second, when it reaches the bottom?
A ball has a mass of 0.5kg. Dropped from a cliff top, the ball strikes the...
A ball has a mass of 0.5kg. Dropped from a cliff top, the ball strikes the sea below at a velocity of 10m/sec. a. What is the kinetic energy of the ball as it is about to strike the sea? b. What was its potential energy before it was dropped? c. From what height was the ball dropped? d. A stone of mass 1 kg also strkes the sea at 10m/sec. Repeat stages a, b and c above to find...
A ball of mass m-3.50 kg is attached to a horizontal massless cord of length l-...
A ball of mass m-3.50 kg is attached to a horizontal massless cord of length l- 2.00 m, and the other end is fixed, as shown. The ball is released from rest from the highest point, A. Peg a. b. What is the speed of the ball when it reaches its lowest point, B? How much work is done by gravity as the ball moves from point A to point B, its lowest point? c. How much work is done...
A 1300 kg wrecking ball hangs from a 12-m-long cable. The ball is pulled back until...
A 1300 kg wrecking ball hangs from a 12-m-long cable. The ball is pulled back until the cable makes an angle of 15.0 ∘ with the vertical. By how much has the gravitational potential energy of the ball changed?
A pendulum of length L = 1.0 meter and bob with mass m = 1.0 kg...
A pendulum of length L = 1.0 meter and bob with mass m = 1.0 kg is released from rest at an angle 0 = 30' from the vertical. When the pendulum reaches the vertical position, the bob strikes a mass M= 3.0 kg that is resting on a frictionless table that has a height h = 0.85m. (a). When the pendulum reaches the vertical position, calculate the speed of the bob just before it strikes the box. (6 marks]...
7 A ball has a mass of 0.5 kg. Dropped from a cliff top, the all...
7 A ball has a mass of 0.5 kg. Dropped from a cliff top, the all strikes the sea below at a velocity of 10 m/s. /s. a) What is the kinetic energy of the ball as it is about to b) What was its potential energy before it was c) From what height was the ball dropped? strike the sea? dropped? Repeat stages a, b, and c above to find the height t is a d) A stone of...
1) A red ball of mass mı = 15.0 kg is hung on a rope that's L = 5.00 m, long. Initially, it's held 1) ; horizontally, with the rope stretched taut, as shown in the figure, and te released. When it reaches the vertical position, it strikes a blue ball of mass, m2-0.900 kg, sitting on a frictionless shelf. As it continues to swing,it then strikes a third green ball of mass, 1.10kg, hanging on a rope that's 3.00...
8%) Problem 5: A golf ball m=0.185 kg strikes a vertical concrete wall elastically with a horizontal velocity of y = 14 m/s. Randomized Variables m= 0.185 kg v=14 ms 25% Part (a) Write an expression for the magnitude of the impulse / experienced by the ball, o B CD S 9 7 4 a d S 2 6 3 h m P 0 S t VO Submit Hint I give up! Hints deduction per hit Hints remaining Feedbacle deduction...
A steel ball of mass m = 1 kg and a cord of negligible mass and
length L = 2 m make up a simple pendulum that can pivot without
friction about the point O (see below). This pendulum is released
from rest in a horizontal position and when the ball is at its
lowest point it strikes a block of mass m = 1 kg sitting at rest on
a shelf. Assume that the collision is perfectly elastic and...
A ball of mass m-3.50 kg is attached to a horizontal massless cord of length l- 2.00 m, and the other end is fixed, as shown. The ball is released from rest from the highest point, A. Peg a. b. What is the speed of the ball when it reaches its lowest point, B? How much work is done by gravity as the ball moves from point A to point B, its lowest point? c. How much work is done...
A pendulum of length L = 1.0 meter and bob with mass m = 1.0 kg is released from rest at an angle 0 = 30' from the vertical. When the pendulum reaches the vertical position, the bob strikes a mass M= 3.0 kg that is resting on a frictionless table that has a height h = 0.85m. (a). When the pendulum reaches the vertical position, calculate the speed of the bob just before it strikes the box. (6 marks]...
7 A ball has a mass of 0.5 kg. Dropped from a cliff top, the all strikes the sea below at a velocity of 10 m/s. /s. a) What is the kinetic energy of the ball as it is about to b) What was its potential energy before it was c) From what height was the ball dropped? strike the sea? dropped? Repeat stages a, b, and c above to find the height t is a d) A stone of...
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