Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Physics
A vaulter holds a 20.7 N pole in equilibrium by exerting an upward force, U, with his leading hand, and a downward force, D, with his trailing hand. Let L1 = 0.71 m, L2 = 1.5 m, and L3 = 2.21 m. What are the magnitudes of U and D?
1 answer
Repeated posts will not be answered any sooner.
You can
ask a new question
or
answer this question
.
Similar Questions
A vaulter holds a 34.1 N pole in equilibrium by exerting an upward force U with her leading hand and a downward force D with her
Top answer:
A figure or better description is needed to explain the orientation of the pole and the meaning of
Read more.
A vaulter holds a 20.7 N pole in equilibrium by exerting an upward force, U, with his leading hand, and a downward force, D,
Top answer:
I assume that the pole is horizontal as the vaulter runs up to the bar. I cannot do the problem for
Read more.
A vaulter holds a 20.7 N pole in equilibrium by exerting an upward force, U, with his leading hand, and a downward force, D,
Top answer:
Repeated post. Same answer.
Read more.
A 59 kg pole-vaulter falls from rest from a height of 5.5 m onto a foam rubber pad. The pole-vaulter comes to rest 0.39 s after
Top answer:
a. mgh=1/2 mv^2 or v= sqrt2gh b. force*time= mass*v solve for force.
Read more.
A 55 kg pole vaulter falls from rest from a height of 5m onto a foam rubber pad. The pole vaulter comes to rest .3s after
Top answer:
A) Well, this is quite a fall for our pole vaulter! To calculate their velocity just before reaching
Read more.
In the figure below, the CG of the pole held by the pole vaulter is 1.54 m from the left hand, and the hands are 0.653 m apart.
Top answer:
weight = m g = 3.72*9.81 = 36.5 N FR I assume down FL I assume up so FL = 36.5 + FR moments about
Read more.
The cg of the 50.0 N pole held by the pole vaulter is 2.00 m from the left hand, and the hands are
0.700 m apart. Calculate the
Top answer:
This is a problem of levers which can be solved by taking moments. Three forces are involved, L the
Read more.
A 50 kg pole vaulter falls from rest from a height of 5 meters onto a foam rubber pad. The pole vaulter comes to rest 0.22
Top answer:
This is a trick question. The time it takes to decelerate to zero depends upon the spring constant
Read more.
A weight lifter is raising a barbell of mass 120kg. He does this in two stages. At the end of the first stage he holds the
Top answer:
presumably, 1/2 of the total, which is 120*9.8N
Read more.
A fisherman poles a boat as he searches for his next catch. He pushes parallel to the length of the light pole, exerting a force
Top answer:
(a) The magnitude of the buoyant force can be found using Archimedes' principle, which states that
Read more.
Related Questions
Magnitude and Direction of Force Quick Check
5 of 55 of 5 Items Question Two ropes are being used to suspend a box. Each rope is
Paul and Juston are carrying a sack or rice weighing 6.02x10^2 N on a pole between them. If the pole is 2.0 m long and the load
A 30 N fishing pole is 2.00 m long and has its center of gravity .350 m from the heavy end. A fisherman holds the end of the
A pole vaulter cleared the bar at 490 cm. Convert 490 cm to meters using a unit multiplier
A pole-vaulter approaches the takeoff point at a speed of 9.50 m/s. Assuming that only this speed determines the height to which
Vectors, Magnitude, and Direction of Force Quick Check
5 of 55 of 5 Items Question Two ropes are being used to suspend a box.
A woman holds a 1.90-m-long uniform 5.0-kg pole as shown in (Figure 1) ( its horizontal).
A. Determine the force she must exert
If the pole-vaulter were to land on concrete rather than on a cushion, the impulse that stops the fall would be what?
A) Greater
A block of wood weighing 25 N is submerged under water. If the net force on the wood is 5 N upward, how much buoyant force is
A 5 000-N weight is held suspended in equilibrium by two cables. Cable 1 applies a horizontal
force to the right of the object
