Questions Asked

mj1423:
Group Title
verifying stokes theorem for Vector A=(zx+2y^2)J
+yzK
 updated one year ago
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mj1423:
Group Title
verify stokes theorem for the Vector A = (zx+2y^2)J+ yz K and for the square surface of length a
 updated one year ago
 1 reply
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mj1423:
Group Title
cross product of G = dot product of F Verify.
…
 updated one year ago
 4 replies
 1 Medal

mj1423:
Group Title
c(A)xB=c(AxB)=Ax(cb) where "c" is a scalar verify the equality
 updated one year ago
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mj1423:
Group Title
Assume a rocket is launched straight up from Earth and is affected by a constant gravatational force of magnitude mg directed straight down.…
 updated one year ago
 1 reply
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mj1423:
Group Title
how do you cancel a 3/2 power?
 updated one year ago
 20 replies
 1 Medal

mj1423:
Group Title
a particle falling in they direction is subject to a drag force proportional to vy^(3/2) so the magnitude of the drag force is fd= bvy^(3/2)…
 updated one year ago
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mj1423:
Group Title
assume rocket is launched straight up from Earth and is affected by a constant gravitational force of magnitude mg directed straight downwar…
 updated one year ago
 1 reply
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mj1423:
Group Title
A particle falling in the ydirection is subject to drag force proportional to vy^3/2 so the magnitude of the drag force is fd= bvy^3/2, whe…
 updated one year ago
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mj1423:
Group Title
two forces f1=1.2i0.5j + 0.5k and f2= 0.9i1.2j are applied to a moving object of mass 0.1kg. displacement produced by the forces is r=4.0i…
 updated one year ago
 1 reply
 1 Medal

mj1423:
Group Title
Is this circuit in series?
 updated one year ago
 5 replies
 1 Medal

mj1423:
Group Title
A student, standing near a straight road,
records the sound of a car’s horn. The
recorded frequency (as a function of the car’s
…
 updated one year ago
 12 replies
 1 Medal

mj1423:
Group Title
A small iron ball and a large plastic ball are shown sealed inside a
container filled with air; as shown in the figure below. In the
prese…
 updated 2 years ago
 1 reply
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mj1423:
Group Title
An airplane travels 90 m/s as it makes a hor
izontal circular turn which has a(n) 0.33 km
radius.
…
 updated 2 years ago
 3 replies
 1 Medal

mj1423:
Group Title
A 539 kg mass is released from rest on a
track at a height 2.9 m above a horizontal
surface at the foot of a slope. It collides
…
 updated 2 years ago
 3 replies
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mj1423:
Group Title
l
 updated 2 years ago
 2 replies
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mj1423:
Group Title
lock m1 of mass 2m and velocity v0 is trav eling to the right (+x) and makes an elastic headon collision with block m2 of mass m and veloc…
 updated 2 years ago
 2 replies
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mj1423:
Group Title
Two identical objects are moving directly to
ward one another at the same speed v.
~v −~v
…
 updated 2 years ago
 7 replies
 1 Medal

mj1423:
Group Title
Block m1 of mass 2m and velocity v0 is trav
eling to the right (+x) and makes an elastic
headon collision with block m2 of mass m
…
 updated 2 years ago
 13 replies
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mj1423:
Group Title
Two cars that have the same mass and velocity have a head on collision. A car with the same mass and velocity as the first situation crashes…
 updated 2 years ago
 20 replies
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mj1423:
Group Title
Sally applies a total force of 285 N with a
rope to drag a wooden crate of mass 100 kg
across a floor with a constant acceleration in
…
 updated 2 years ago
 1 reply
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mj1423:
Group Title
A 1659 kg car has a speed of 11.4 m/s when
it hits a tree. The tree doesn’t move and the
car comes to rest.Find the amount of work done by…
 updated 2 years ago
 7 replies
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mj1423:
Group Title
A 1659 kg car has a speed of 11.4 m/s when
it hits a tree. The tree doesn’t move and the
car comes to rest. Find Change in kinetic energy
 updated 2 years ago
 1 reply
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mj1423:
Group Title
Two blocks are connected by a thin inexten sible string over a frictionless massless pulley as shown on the picture below The acceleration …
 updated 2 years ago
 2 replies
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mj1423:
Group Title
The only forces acting on a 2.7 kg mass are
~ F1=F1x ˆi−F1y ^j and F2=F2x ˆi+F2y ˆj, where
F1x = 2 N, F1y = 7 N, F2x = 6 N, F2y = 2 N.
…
 updated 2 years ago
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mj1423:
Group Title
Two blocks are connected by a thin inexten
sible string over a frictionless massless pulley
as shown on the picture below
…
 updated 2 years ago
 21 replies
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mj1423:
Group Title
An object in equilibrium has three forces ex
erted on it. A(n) 34 N force acts at 72.6, and
a(n) 47 N force acts at 25.9.
…
 updated 2 years ago
 28 replies
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mj1423:
Group Title
Given: Each block has masses m1 = m2 =
m3 = m and the coefficient of kinetic friction
is μ. The magnitude of F equals twice the
…
 updated 2 years ago
 12 replies
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mj1423:
Group Title
integral using trig substitution
 updated 2 years ago
 2 replies
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mj1423:
Group Title
integral using partial fractions(2x+4)/x^32x^2 dx
 updated 2 years ago
 20 replies
 1 Medal
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