Question
In: Physics
a bullet of mass m and speed v is fired at an initially stationary sphere. The...
a bullet of mass m and speed v is fired at an initially stationary sphere. The bullet goes through the sphere, and exits with a speed of v/3. The sphere is attached to a rigid pole of length L and negligible mass. What is the minimum value of v such that the sphere will barely swing through a complete vertical circle? (Use the following as necessary: m, L, g, and M for the mass of the sphere.)
Solutions
genius_generous answered 3 months agoRelated Solutions
A rifle of mass M is initially at rest. A bullet of mass m is fired...
A rifle of mass M is initially at rest. A bullet of mass m is
fired from the rifle with a velocity v relative to the ground.
Which one of the following expressions gives the velocity of the
rifle relative to the ground after the bullet is fired?
A) −mv
B) mv
C) Mv/m
D) mv/M
A mass (m) with speed (v) experiences a perfectly elastic collision with an initially stationary mass...
A mass (m) with speed (v) experiences a perfectly elastic
collision with an initially stationary mass (M). What is the ratio
of the masses (m/M) if after the collision, m and M have the same
speed (V) but opposite velocities?
A bullet of mass m=20 gr is fired into a block of mass M=5 kg initially...
A bullet of mass m=20 gr is fired into a block of mass M=5 kg
initially at rest at the edge of a frictionless table of height
h=0.90 m. The bullet remains in the block and the block lands a
distance d=0.68 m from the bottom of the table. Picture1
a)Determine the initial velocity of the bullet. vi= m/s b)
Determine the loss of kinetic Energy during the collision. ΔK =
J.
A bullet of mass m=11 gr is fired into a block of mass M=1 kg initially...
A bullet of mass m=11 gr is fired into a block of mass M=1 kg
initially at rest at the edge of a frictionless table of height
h=1.10 m. The bullet remains in the block and the block lands a
distance d=0.67 m from the bottom of the table.
a)Determine the initial velocity of the bullet.
b) Determine the loss of kinetic Energy during the
collision.
A bullet of mass m=12 gr is fired into a block of mass M=1 kg initially...
A bullet of mass m=12 gr is fired into a block of mass M=1 kg
initially at rest at the edge of a frictionless table of height
h=1.00 m. The bullet remains in the block and the block lands a
distance d=0.60 m from the bottom of the table. a)Determine the
initial velocity of the bullet. vi= m/s b) Determine the loss of
kinetic energy during the collision. ΔK = J
A bullet of mass m=14 gr is fired into a block of mass M=1 kg initially...
A bullet of mass m=14 gr is fired into a block of mass M=1 kg
initially at rest at the edge of a frictionless table of height
h=1.10 m. The bullet remains in the block and the block lands a
distance d=0.65 m from the bottom of the table.
Determine the initial velocity of the bullet.
Determine the loss of kinetic Energy during the collision
A 0.005-kg bullet is fired with a speed of 400 m/s into a pendulum with mass...
A 0.005-kg bullet is fired with a speed of 400 m/s into a
pendulum with mass 1 kg suspended from a massless cord 2 m
long.
a. If the bullet is embedded after the collision, calculate the
vertical height of the pendulum rise.
b. If the bullet is made of rubber and it bounces back at a
speed of 400 m/s, calculate the vertical height of the pendulum
rise.
A bullet with a mass of 4.1g and a speed of 650m/s is fired at a...
A bullet with a mass of 4.1g and a speed of 650m/s is fired at a
block of wood with a mass of 9.6*10^2kg . The block rests on a
frictionless surface, and is thin enough that the bullet passes
completely through it. Immediately after the bullet exits the
block, the speed of the block is 22m/s .
Part A
What is the speed of the bullet when it exits the block?
(m/s)
Part B
Is the final kinetic energy...
A bullet of mass m = 8.00 g is fired into a block of mass M...
A bullet of mass m = 8.00 g is fired into a block of
mass M = 220 g that is initially at rest at the edge of a
table of height h = 1.00 m (see figure below). The bullet
remains in the block, and after the impact the block lands
d = 2.10 m from the bottom of the table. Determine the
initial speed of the bullet.
___m/s
A bullet of mass m = 8.00 g is fired into a block of mass M...
A bullet of mass m = 8.00 g is fired into a block of
mass M = 210 g that is initially at rest at the edge of a
table of height h = 1.00 m (see figure below). The bullet
remains in the block, and after the impact the block lands
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Determine the initial speed of the bullet.
________m/s
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