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Questions (18)
As in the figure below, a simple harmonic oscillator is attached to a rope of linear mass density 5.4 ✕ 10^−2 kg/m, creating
0 answers
629 views
A bead slides without friction around a loop-the-loop. The bead is released from a
height h = 3.5R. A is at the highest point of
3 answers
6,429 views
The figure below shows a cubical box that has been constructed from uniform metal plate of negligible thickness. The box is open
1 answer
1,278 views
At the instant a 2.0-kg particle has a velocity of 4.0 m/s in the positive x direction, a 3.0-kg particle has a velocity of 5.0
1 answer
1,774 views
At an instant when a particle of mass 80 g has a velocity of 25 m/s in the positive y direction, a 75g particle has a velocity
1 answer
1,900 views
As a 2.0-kg object moves from (2i+5j)m to (6i-2j)m, the constant resultant force acting on it is equal to (4i-3j)N. If the speed
3 answers
6,606 views
A 3kg mass sliding on a frictionless surface has a velocity of 5m/s east when it undergoes a one-dimensional inelastic collision
2 answers
1,943 views
A 6 kg mass is attached to a light cord that passes over a massless, frictionless pulley. The other end of the cord is attached
0 answers
733 views
A 4kg block is lowered down a 37° incline a distance of 5m from point A to point B. A horizontal force (F = 10 N) is applied to
1 answer
10,905 views
If the resultant force acting on a 2kg object is equal to (3i+4j)N, what is the change in kinetic energy as the object moves
4 answers
7,929 views
A skier slides down a hill starting with zero velocity at a height of h1 = 45.2 m above the bottom of the hill. The shape of the
1 answer
562 views
While a boat is being towed at a speed of 11m/s, the tension in the towline is 9.5kN. What is the power supplied to the boat
1 answer
720 views
A force given by F(x) = 4x^3 x̂ (in N/m^3) acts on a 1kg mass moving on a frictionless surface. The mass moves from x = 4 m to
2 answers
717 views
A constant force, F = (4.39, −3.79, 2.02) N, acts on an object of mass 19.5 kg, causing a displacement of that object by r =
1 answer
620 views
A car travels around an unbanked highway curve (radius 0.15 km) at a constant speed of 25 m/s. What is the magnitude of the
2 answers
3,990 views
A boy on board a cruise ship drops a 30g marble into the ocean. If the resistive force proportionality constant is 0.5kg/s, what
1 answer
1,404 views
What is the gravitational force on a 20Kg satellite circling the earth (Re = 6.4 x 10^6 m, Me = 6 x 10^24Kg) with a period of
3 answers
2,064 views
Two blocks connected by a cord passing over a small, frictionless pulley rest on
frictionless planes: a) What is the acceleration
2 answers
3,667 views
Answers (3)
your answer is not correct
How do I find the distance for a 5 hr period.?
how do I calculate the tesion in the cord? Is it 100sin30 and 50sin33.1?
