Question

A small block travels up a frictionless incline that is at an angle of 30.0° above the horizontal. The block has speed 1.20 m/s at the bottom of the incline. Assume g = 9.80 m/s2. How far up the incline (measured parallel to the surface of the incline) does the block travel before it starts to slide back down?

Answer #1

A small block travels up a frictionless incline that is at an
angle of 30.0° above the horizontal. The block has speed 4.15 m/s
at the bottom of the incline. Assume g = 9.80 m/s2. How far up the
incline (measured parallel to the surface of the incline) does the
block travel before it starts to slide back down?

A 8 kg block slides down a frictionless incline making an angle
of 20◦ with the horizontal. The acceleration of gravity is 9.81
m/s2 .
a) Find the work done by the gravitational force when the block
slides 5.9 m (measured along the incline).
b) What is the total work done on the block?
c) What is the speed of the block after it has moved 5.9 m if it
starts from rest?
d) What is its speed after 5.9...

A block of mass m = 2.10 kg slides down a 30.0∘ incline which is
3.60 m high. At the bottom, it strikes a block of mass M = 8.00 kg
which is at rest on a horizontal surface (Figure 1). (Assume a
smooth transition at the bottom of the incline.) The collision is
elastic, and friction can be ignored. Determine the speed of the
block with mass m = 2.10 kg after the collision. Determine the
speed of the...

A block is given a very brief push up a 36° frictionless incline
to give it an initial speed of 15.8 m/s. How far along the surface
of the plane does the block slide before coming to rest?

A 4.25 kg block is projected at 5.40 m/s up a plane that is
inclined at 30.0° with the horizontal. The block slides some
distance up the incline, stops turns around and slides back down to
the bottom. When it reaches the bottom of the incline again, it is
traveling with a speed of 3.80 m/s. If the coefficient of kinetic
friction between the block and the plane is 0.500, how far up the
incline did the block slide?

A 2.5kg wooden block is held by a support on the surface of a
frictionless incline. A 20g bullet is shot at the block from below,
in a direction parallel to the incline, at a speed of 550m/s. (a)
Calculate the velocity of the center of mass of the two bodies
before the collision. (b) If the bullet lodges into the block, find
the block’s velocity immediately after the collision. (c) At what
maximum height (measured from the initial position)...

A block is given a very brief push up a 20.0� frictionless incline
to give it an initial speed of 12.0 m/s.
(a) How far along the surface of the plane does the block slide
before coming to rest?
(b) How much time does it take to return to its starting
position?

A 2.0 kg block slides on a frictionless horizontal surface with
an initial speed of 15.0 meters per second. The block then
encounters a 35.0o incline, where the coefficients of static and
kinetic friction are 0.20 and 0.10 respectively. Determine how far
up the incline the block will slide, and if the block will slide
back down or remain stationary on the incline (use a force analysis
to determine this)

A 2.0 kg block slides on a frictionless horizontal surface
with an initial speed of 15.0
meters per second. The block then encounters a 35.0o incline,
where the coefficients of
static and kinetic friction are 0.20 and 0.10 respectively.
Determine how far up the
incline the block will slide, and if the block will slide back
down or remain stationary on
the incline (use a force analysis to determine this).

A 150 gram block is pushed up a ramp set at a 20 degree angle
with respect to the horizontal. Its initial speed is 1.24 m/s as a
result of the push, and it travels 14.0 cm up the incline before
coming to rest. How far would it travel down the ramp before coming
to rest if the push was in the opposite direction but the initial
speed was the same?

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