a 65 g puck slides along a smooth surface at velocity vo=3.0
m/s. It transitions up...
a 65 g puck slides along a smooth surface at velocity vo=3.0
m/s. It transitions up a ramp with an angle of theta=30 degrees and
a maximum height of h=40 cm. Ignoring air resistance where does it
land after losing contact with the ramp?
A hockey puck slides on the ice with an initial velocity of vi1
= 5 m/s in the positive x direction. A second hockey puck is
sliding to the left with an initial velocity of vi2 = 3 m/s. The
two pucks collide and after the collision puck 1 has a final
velocity of vf1 = 3 m/s in the positive x direction at an angle of
30 degrees above the positive x axis. Is the collision elastic or
inelastic?...
A 8.71 kg block is sliding along a smooth surface at 11.4 m/s.
It travels up a smooth ramp, and comes to a stop. How high above
the ground is it when it stops? Report your answer in meters,
rounded to two decimal places
I attach a 3.06 kg mass to a spring with a spring constant of 72
J/m2 and compress it 0.02 m. What is the speed the mass
reaches when launched horizontally? Report your answer in m/s,...
A spring-loaded gun fires a 0.080-kg puck along a tabletop. The
puck slides up a curved ramp and flies straight up into the
air.
(a) If the spring is displaced 24.0 cm from equilibrium and the
spring constant is 875 N/m, how high does the puck rise, neglecting
friction?
x = m
(b) If instead it only rises to a height of 5.00 m because of
friction, what is the change in mechanical energy?
Wnc =
A 10 g marble slides to the left at a speed of 0.4 m/s along a
frictionless surface. It has a head-on, elastic collision with a
larger, 30 g marble sliding to the right at 0.2 m/s. Since the
collision is head-on, all motion is along the x-axis.
a. Find the total kinetic energy AND the total momentum before
the collision
b. The marbles bounce off each other elastically. Each marble
has a different velocity after the collision. The lighter...
A hockey puck of mass m1=155 g slides from
left to right with an initial velocity of 21.5 m/s. It collides
head on with a second puck of the same mass,
m2=m1, moving in the
opposite direction with velocity -25.5 m/s. They collide
elastically head-on. After the collision, the velocity of
m2 is:
A block of mass m = 98 kg slides along a horizontal
surface. The coefficient of friction between the block and the
surface is μk = 0.38. The block has an initial
speed of vo = 13 m/s in the positive
x-direction as shown.
a) write an expression for x-component of the frictional force
the block experiences, F(f), in terms of the given variables and
variables available in the palette
b) what is the magnitude of the frictional force in...
2. A 2kg puck is located at position (5???? 2???)m with velocity
(?7???? ???)m/s at time t=0s. I apply a
constant force of magnitude 10N in the direction (?4???+ 2???) for
10 seconds. At time t=10s, the
puck is at position (????+ 10???)m with a velocity of 5m/s in the
direction (???+ ???).
a. How much work did I do on the puck?
b. How much work is done on the puck total?
c. What is the average power input...
A 0.21 kg hockey puck has a velocity of 2.2 m/s toward the east
(the +x direction) as it slides over the frictionless surface of an
ice hockey rink. What are the:
(a) magnitude and (b) direction of the constant net force that
must act on the puck during a 0.43 s time interval to change the
puck's velocity to 3.7 m/s toward the west?
and what are the:
(c) magnitude and (d) direction if, instead, the velocity is
changed...
The 2-kg box is sliding along a frictionless surface at a
velocity of 2m/s. It collides with a resting 5-kg box. Assuming
that the collision is perfectly elastic, calculate the speed of the
two boxes after the collision?
A box of mass 10.2 kg with an initial velocity of 2.1 m/s slides
down a plane, inclined at 28◦ with respect to the horizontal. The
coefficient of kinetic friction is 0.69. The box stops after
sliding a distance x.
a. How far does the box slide? The acceleration due to gravity
is 9.8 m/s 2 . The positive x-direction is down the plane. Answer
in units of m.
b. What is the the work done by friction? Answer in...