Question

If you were to double the mass of a block and cart sliding down a slope, what effect would this have on displacement?

This would increase friction against the objects therefore the displacement would be halved correct?

F=?mg is the formula you would use isnt it?

Answer #1

**Concept** -as the mass increases, the friction
force increases but the component of the gravitational force down
the slope also increases. Hence the effect of increased friction
force is cancelled out by the increase of component of
gravitational force along the incline.

***********************************************************************************************

**This concludes the answers. If there is any mistake or
omission, let me know immediately and I will fix
it....**

A cart for hauling ore out of a gold mine has a mass of 411 kg,
including its load. The cart runs along a straight stretch of track
that climbs a shallow 4.45∘ incline. A donkey, which is trudging
along and to the side of the track, has the unenviable job of
pulling the cart up the slope with a 393 N force for a distance of
127 m by means of a rope that is parallel to the slope...

1. First consider a mass on an inclined slope of angle θ, and
assume the motion is frictionless. Sketch this arrangement:
2. As the mass travels down the slope it travels a distance x
parallel to the slope. The change in height of the mass is
therefore xsinθ. By conserving energy, equate the change of
gravitational potential energy, mgh = mgxsinθ, to the kinetic
energy for the mass as it goes down the slope. Then rearrange this
to find an...

1)
a) A block of mass m slides down an inclined plane starting
from
rest. If the surface is inclined an angle theta above the
horizontal,
and the block reaches a speed V after covering a distance D along
the
incline, what is the coefficient of kinetic friction?
b) at a distance D1 (still on the incline), the block
comes to an
instantaneous standstill against a spring with spring constant k.
How
far back up does the block? Why do...

ch 6
1:
It is generally a good idea to gain an understanding of the
"size" of units. Consider the objects and calculate the kinetic
energy of each one.
A ladybug weighing 37.3 mg
flies by your head at 3.83 km/h
.
×10
J
A 7.15 kg
bowling ball slides (not rolls) down an alley at 17.5 km/h
.
J
A car weighing 1260 kg
moves at a speed of 49.5 km/h.
5:
The graph shows the ?-directed force
??...

1. Usain Bolt sprints along the track, with his feet pushing
down and behind him. Therefore the track actually pushes Usain Bolt
along the track. Group of answer choices True or False
2.You study two objects in motion, Object J and Object S. Each
object has its own velocity graph, with same time and velocity
scales. The slope of each graph is positive, upward and to the
right ⁄ but Object J's tilt angle is only 10º and Object
S's tilt...

Finding the Spring Constant
We can describe an oscillating mass in terms of its position,
velocity, and acceleration as a function of time. We can also
describe the system from an energy perspective. In this experiment,
you will measure the position and velocity as a function of time
for an oscillating mass and spring system, and from those data,
plot the kinetic and potential energies of the system.
Energy is present in three forms for the mass and spring system....

6. If the general level of interest rates goes
down and I am holding a bond with a fixed coupon rate, I would
expect the value of my bond to
a.stay the same
b.double
c.increase
d.decrease
e.not enough information to tell
7. The Rule of 72’s
a.Is about doubling the present value to get the future
value.
b.Says that 72 divided by the payment gives you the number of
years to double.
c.Says that the rate divided by 72 gives you the...

1. A bat uses very high frequencies so:
a. He will kill the insects he's hunting
b. We won't hear them
c. The sound waves will be small compared to the
insects
d. The sound waves will be large compared to the
insects
e. He can tune in to KMET for the weather
report
2. Bees see somewhat into the ultraviolet. This is
because:
a. They use radar
b. They can see in the dark
c. They evolved with a...

Please can someone summarize the content below? Thank you.
Medications Work Differently In Older Adults Print
FacebookTwitterLinkedInEmail Medication dose, as well as
information about the effectiveness and side effects of medication,
are generally determined by studies done in relatively young,
healthy people. This information may not apply to older adults,
because our bodies and how we process medications change with age.
As we get older, our bodies react to drugs differently than when we
were younger. The aging process, along...

7) Suppose your crystal's density is 2.312 g/cm3. Use conversion
factors to convert this to mg/μl Show all your work and all your
units throughout. Now to the doctor's office: 8) I have come to see
you, the doctor, because I was feeling a bit ill. The first thing
the nurse did was look at me and see I had a large growth in my
neck. “Wow!” she said. “How long has this been going on?” “For a
couple of...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 1 minute ago

asked 1 minute ago

asked 2 minutes ago

asked 6 minutes ago

asked 6 minutes ago

asked 6 minutes ago

asked 6 minutes ago

asked 11 minutes ago

asked 14 minutes ago

asked 16 minutes ago

asked 17 minutes ago

asked 17 minutes ago