Question
In: Physics
1. A bullet of mass m=5 g moving with an initial velocity v_0, is shot into...
1. A bullet of mass m=5 g moving with an initial velocity v_0, is shot into pendulum bob of mass M=25g. The pendulum bob is suspended by a light rod of length L=1.2 m.
What is the minimum velocity of the bullet so that the system after the collision barely swings through a complete vertical circle?
a) Assume an inelastic collision
b) Assume a perfect elastic collision
Solutions
genius_generous answered 2 years agoRelated Solutions
A 4.00 g bullet is moving horizontally with a velocity of +355 m/s as shown in...
A 4.00 g bullet is moving horizontally with a velocity of +355
m/s as shown in figure below. The bullet is approaching two blocks
resting on a horizontal frictionless surface. The bullet passes
completely through the first block (an inelastic collision) and
embeds itself in the second one, as shown in part (b). Note that
both blocks are moving after the collision with the bullet. The
mass of the first block is 1150 g and its velocity is +0.550 m/s...
A 5.17-g bullet is moving horizontally with a velocity of +369 m/s, where the sign +...
A 5.17-g bullet is moving horizontally with a velocity of +369
m/s, where the sign + indicates that it is moving to the right (see
part a of the drawing). The bullet is approaching two blocks
resting on a horizontal frictionless surface. Air resistance is
negligible. The bullet passes completely through the first block
(an inelastic collision) and embeds itself in the second one, as
indicated in part b. Note that both blocks are moving after the
collision with the...
A 4.80-g bullet is moving horizontally with a velocity of +357 m/s, where the sign +...
A 4.80-g bullet is moving horizontally with a velocity of +357
m/s, where the sign + indicates that it is moving to the right (see
part a of the drawing). The bullet is approaching two blocks
resting on a horizontal frictionless surface. Air resistance is
negligible. The bullet passes completely through the first block
(an inelastic collision) and embeds itself in the second one, as
indicated in part b. Note that both blocks are moving after the
collision with the...
A 5.87-g bullet is moving horizontally with a velocity of +348 m/s, where the sign +...
A 5.87-g bullet is moving horizontally with a velocity of +348
m/s, where the sign + indicates that it is moving to the right (see
part a of the drawing). The bullet is approaching two blocks
resting on a horizontal frictionless surface. Air resistance is
negligible. The bullet passes completely through the first block
(an inelastic collision) and embeds itself in the second one, as
indicated in part b. Note that both blocks are moving after the
collision with the...
A bullet of mass m is fired from the initial ground velocity of magnitude v0 at...
A bullet of mass m is fired from the initial ground velocity of
magnitude v0 at elevation angle θ0. (a) Express her momentum
relative to the location of the shot as a function of time. (b) How
fast does the momentum change? (c) Calculate the size vector r × F
directly and compare it with the result of problem (b). Why both
results are identical
A ball of mass 500g is shot with an initial velocity of 10 m/s. the ball...
A ball of mass 500g is shot with an initial velocity of 10 m/s.
the ball hits a pendulum bob (initially at rest) of mass of 2kg and
the collision is perfectly elastic. a) find the velocity of the
pendulum bob immediately after the collision. b) find the length of
the pendulum if it comes to rest after turning by an angle of 30
degrees.
- Part b is the one I am stuck on!!!
A Projectile is shot at a moving target with initial velocity Vo=2000ft/s. The target is moving...
A Projectile is shot at a moving target with initial velocity
Vo=2000ft/s. The target is moving at 500ft/s and its initial start
was (Xo, Yo)= 200',300' at angle phi=15. the weight of the target
is 5lbf. Gravity is 32.3 ft/s^2. Find angle theta the projectile
would need to be shot to hit the target. No drag. There is the high
angle case and low angle
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
d = 1.90 m from the bottom of the table.
Determine the initial speed of the bullet.
________m/s
A body A, of mass 5 kg, is moving with velocity (−4i+3j) m s−1 when it...
A body A, of mass 5 kg, is moving with velocity (−4i+3j) m s−1
when it
collides with a body B, of mass 2 kg, moving with velocity
(3i−j) m s−1
.
Immediately after the collision the velocity of A is (−2i+j) m
s−1. Find:
(a) the loss of kinetic energy of the system due to
collision
(b) the impulse of A on B due to collision.
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