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An object of mass m is released from a height of h meters above the ground,...
An object of mass 3kg is released from rest from a height h of 13 meters...
An object of mass 3kg is released from rest from a height h of 13 meters above the ground on a ramp. The object then slides down along a horizontal surface along a distance of d=20 meters where friction is present (\mu_s=0.5 and \mu_k=0.2), and compresses a horizontal spring initially unstretched until it finally comes to rest. If k=300N/m, by how much does the spring compresses (maximally) upon impact?
M 7 A mass M = 1.2 kg is released from rest. From the initial height...
M 7 A mass M = 1.2 kg is released from rest. From the initial height of 75 cm above the ground, the mass drops from an free spring (neither compressed, nor extended) of constant k = 590 N/m The maximum compression of the spring, due to the impact of the dropping mass is sh = 160 mm. Analyse the system with respect to the balance of energy, and the apply the conservation of energy, considering the ground level as...
A body of mass m = 5 kg is released from rest from a height of...
A body of mass m = 5 kg is released from rest from a height of 2 m above the ground. (a) What is the kinetic energy of the body just before hitting the ground? (b) At that point, what is its speed?
M A mass M-1.2 kg is released from rest. From the initial height of 75 cm...
M A mass M-1.2 kg is released from rest. From the initial height of 75 cm above the ground, the mass drops from an free spring (neither compressed, nor extended) of constant k = 590 N/m. The maximum compression of the spring, due to the impact of the dropping mass is sh = 160 mm. Analyse the system with respect to the balance of energy, and the apply the conservation of energy, considering the ground level as reference of the...
A) A mass of 2.9 kg is dropped from a height of 4.07 meters above a...
A) A mass of 2.9 kg is dropped from a height of 4.07 meters above a vertical spring anchored at its lower end to the floor. If the spring constant is 25 N/cm, how far, to the nearest tenth of a cm, is the spring compressed? B) If the top of the spring in the preceding problem is 1.99 meters above the ground when the mass is released, what is the ball's kinetic energy, to the nearest Joule, just before...
An object of mass m is dropped from height h above a planet of mass M...
An object of mass m is dropped from height h above a planet of mass M and radius R. Find an expression for the object's speed as it hits the ground. Express your answer in terms of the variables m, M, h, R and appropriate constants.
A 0.200 kg block is released from rest at a height h= 1.25 m above the...
A 0.200 kg block is released from rest at a height h= 1.25 m above the level portion of the track shown below. The track is rough between points A and B, but elsewhere it is frictionless. As the block traverses the 0.850 meters between points A and B, 0.490 J of energy is dissipated as thermal energy. The spring constant of the spring attached to the wall is 225 N/m 0.850 m Where does the block finally come to...
45" s shown above, a sphere of mass m is released from height h above a...
45" s shown above, a sphere of mass m is released from height h above a frictionless plane inclined 45® to th orizontal. The sphere bounces off the plane at point P, and strikes the plane again at point P. The ollision is elastic. In terms of g and h determine each of the following quantities: P2 The The velocity (magnitude and direction) of the sphere just after it first bounces off the plane at P The time the sphere...
An 80 kg object is dropped from rest from a height of 25 meters above the...
An 80 kg object is dropped from rest from a height of 25 meters above the ground. Use the concept of energy conservation to find its speed when it is 15 meters above the ground. a.28 m/s b.6.4 m/s c.14 m/s d.9.9 m/s
An object of mass 700 kg is released from rest 1000 m above the ground and...
An object of mass 700 kg is released from rest 1000 m above the ground and allowed to fall under the influence of gravity. Assuming the force due to air resistance is proportional to the velocity of the object with proportionality constant b=50 N-sec/m, determine the equation of motion of the object. When will the object strike the ground? (Hint: Here the exponential term is too large to ignore. Use Newton's method to approximate the time t when the object...
M 7 A mass M = 1.2 kg is released from rest. From the initial height of 75 cm above the ground, the mass drops from an free spring (neither compressed, nor extended) of constant k = 590 N/m The maximum compression of the spring, due to the impact of the dropping mass is sh = 160 mm. Analyse the system with respect to the balance of energy, and the apply the conservation of energy, considering the ground level as...
M A mass M-1.2 kg is released from rest. From the initial height of 75 cm above the ground, the mass drops from an free spring (neither compressed, nor extended) of constant k = 590 N/m. The maximum compression of the spring, due to the impact of the dropping mass is sh = 160 mm. Analyse the system with respect to the balance of energy, and the apply the conservation of energy, considering the ground level as reference of the...
An object of mass m is dropped from height h above a planet of mass M and radius R. Find an expression for the object's speed as it hits the ground. Express your answer in terms of the variables m, M, h, R and appropriate constants.
A 0.200 kg block is released from rest at a height h= 1.25 m above the level portion of the track shown below. The track is rough between points A and B, but elsewhere it is frictionless. As the block traverses the 0.850 meters between points A and B, 0.490 J of energy is dissipated as thermal energy. The spring constant of the spring attached to the wall is 225 N/m 0.850 m Where does the block finally come to...
45" s shown above, a sphere of mass m is released from height h above a frictionless plane inclined 45® to th orizontal. The sphere bounces off the plane at point P, and strikes the plane again at point P. The ollision is elastic. In terms of g and h determine each of the following quantities: P2 The The velocity (magnitude and direction) of the sphere just after it first bounces off the plane at P The time the sphere...
An object of mass 700 kg is released from rest 1000 m above the ground and allowed to fall under the influence of gravity. Assuming the force due to air resistance is proportional to the velocity of the object with proportionality constant b=50 N-sec/m, determine the equation of motion of the object. When will the object strike the ground? (Hint: Here the exponential term is too large to ignore. Use Newton's method to approximate the time t when the object...
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