A steel ball of m = 0.80 kg is attached to a string of 1.5 m...
A steel ball of m = 0.80 kg is attached to a string of 1.5 m
length directly above the edge
of a block (m = 5.0 kg) which can slide frictionless on a plane.
The ball gets deflected
by 45° , is then released and hits the block elastically and
centrally. Calculate the maximum
deflection angle of the ball after the collision.
Homework Answers
For head-on elastic collision, using momentum and energy conservation we find that final velocity of ball is given by,
Energy of ball just before it is released = Energy of ball just before collision
Therefore 32.1 degree is the maximum deflection angle of the ball after the collision.
A 1.9-kg ball is attached to the end of a 2.6-m string to form a pendulum....
A 1.9-kg ball is attached to the end of a 2.6-m string to form a pendulum. This pendulum is released from rest with a string horizontal. At the lowest point in its swing when it is moving horizontally, the ball collides elastically with a 2.5-kg block initially at rest on a horizontal frictionless surface. What is the speed of the block just after the collision? Show all the important physics steps.
A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an...
A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an angle of 45°, then released. At the very bottom of the swing the ball strikes a 3kg steel block (perfectly elastic collision) that is resting on a frictionless table with a spring (k-20,000 N/m) further down. (a 10 points) To what maximum angle does the ball rebound (degrees)? h (b 5 points) What is the compression in the spring (m)?
A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an...
A 2kg steel ball hangs on a
8.0-m-long string. The ball is pulled sideways to an angle of 45°,
then released. At the very bottom of the swing the ball strikes a
3kg steel block (perfectly elastic collision) that is resting on a
frictionless table with a spring (k=20,000 N/m) further down. (a 10
points) To what maximum angle does the ball rebound (degrees)? (b 5
points) What is the compression in the spring (m)?
h XXXX
A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an angle...
A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an angle of 45°, then released. At the very bottom of the swing the ball strikes a 3kg steel block (perfectly elastic collision) that is resting on a frictionless table with a spring (k=20,000 N/m) further down. (a 10 points) To what maximum angle does the ball rebound (degrees)? b 5 points) What is the compression in the spring (m)?
QUESTION 18 A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways...
QUESTION 18 A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an angle of 45°, then released. At the very bottom of the swing the ball strikes a 3kg steel block (perfectly elastic collision) that is resting on a frictionless table with a spring (k=20.000 N/m) further down. (a 10 points) To what maximum angle does the ball rebound (degrees)? XXXX (b 5 points) What is the compression in the spring (m)?
QUESTION 18 A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways...
QUESTION 18 A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an angle of 45°, then released. At the very bottom of the swing the ball strikes a 3kg steel block (perfectly elastic collision that is resting on a frictionless table with a spring (k=20,000 N/m) further down. (a 10 points) To what maximum angle does the ball rebound (degrees)? Ø h XXX (6 5 points) What is the compression in the spring (m)?
A steel ball of mass 0.600 kg is fastened to a cord that is 60.0 cm...
A steel ball of mass 0.600 kg is fastened to a cord that is 60.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal. At the bottom of its path, the ball strikes a 3.00 kg steel block initially at rest on a frictionless surface. The collision is elastic. (a) Find the speed of the ball just after collision. ( in m/s) (b) Find the speed of the block just after...
A 0.5 kg steel ball is attached to a very light string and hung from the...
A 0.5 kg steel ball is attached to a very light string and hung from the ceiling. The string is 0.78 meters long. The ball is given a horizontal push. The speed after this quick push is 1.4 m/s. The ball then swings like a pendulum. At its highest point, what angle does the string make with the vertical axis? (10 points + 5 extra credit)
A steel ball of mass 0.230 kg is fastened to a cord that is 74.0 cm...
A steel ball of mass 0.230 kg is fastened to a cord that is 74.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 2.00 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision.
A steel ball of mass 0.790 kg is fastened to a cord that is 99.0 cm...
A steel ball of mass 0.790 kg is fastened to a cord that is 99.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 4.90 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after...
A 1.9-kg ball is attached to the end of a 2.6-m string to form a pendulum. This pendulum is released from rest with a string horizontal. At the lowest point in its swing when it is moving horizontally, the ball collides elastically with a 2.5-kg block initially at rest on a horizontal frictionless surface. What is the speed of the block just after the collision? Show all the important physics steps.
A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an angle of 45°, then released. At the very bottom of the swing the ball strikes a 3kg steel block (perfectly elastic collision) that is resting on a frictionless table with a spring (k-20,000 N/m) further down. (a 10 points) To what maximum angle does the ball rebound (degrees)? h (b 5 points) What is the compression in the spring (m)?
A 2kg steel ball hangs on a
8.0-m-long string. The ball is pulled sideways to an angle of 45°,
then released. At the very bottom of the swing the ball strikes a
3kg steel block (perfectly elastic collision) that is resting on a
frictionless table with a spring (k=20,000 N/m) further down. (a 10
points) To what maximum angle does the ball rebound (degrees)? (b 5
points) What is the compression in the spring (m)?
h XXXX
QUESTION 18 A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an angle of 45°, then released. At the very bottom of the swing the ball strikes a 3kg steel block (perfectly elastic collision) that is resting on a frictionless table with a spring (k=20.000 N/m) further down. (a 10 points) To what maximum angle does the ball rebound (degrees)? XXXX (b 5 points) What is the compression in the spring (m)?
QUESTION 18 A 2kg steel ball hangs on a 8.0-m-long string. The ball is pulled sideways to an angle of 45°, then released. At the very bottom of the swing the ball strikes a 3kg steel block (perfectly elastic collision that is resting on a frictionless table with a spring (k=20,000 N/m) further down. (a 10 points) To what maximum angle does the ball rebound (degrees)? Ø h XXX (6 5 points) What is the compression in the spring (m)?
A 0.5 kg steel ball is attached to a very light string and hung from the ceiling. The string is 0.78 meters long. The ball is given a horizontal push. The speed after this quick push is 1.4 m/s. The ball then swings like a pendulum. At its highest point, what angle does the string make with the vertical axis? (10 points + 5 extra credit)
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