a block with a mass of 12.2 kg is sitting on an elevator, which is initially...
a block with a mass of 12.2 kg is sitting on an elevator, which is initially moving downward wiht a constant velocity of 2m/s, What is the normal force on the block?
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a block with a mass of 12.2 kg is sitting on an elevator, which
is initially...
A 2 kg block is sitting on a 4 kg block in an elevator. The elevator...
A 2 kg block is sitting on a 4 kg block in an elevator. The elevator is accelerating downward at 2 m/s^2. A) What is the force of the floor on the bottom box? B) What is the force of the top box on the bottom box?
A) 70 kg man s standing in an elevator. Find the reaction of the elevator...
A) 70 kg man s standing in an elevator. Find the reaction of the elevator on the man if a) the elevator is accelerating upward at 1.5 m/s^2 b) the elevator is accelerating downward at 1.5m/s^2 c) the elevator is descending at a constant velocity 3m/s. B) If the elevator and its contents has a total mass of 1500kg, and it is sup four cables each having a tension T. ? find the tension T IN EACH OF THE...
A single mass (m1 = 4.4 kg) hangs from a spring in a motionless elevator.
A single mass (m1 = 4.4 kg) hangs from a spring in a motionless elevator. The spring constant is k = 270 N/m. 1) What is the distance the spring is stretched from its unstretched length? 2) Now, three masses (m1 = 4.4 kg, m2 = 13.2 kg and m3 = 8.8) hang from three identical springs in a motionless elevator. The springs all have the same spring constant given above. What is the magnitude of the force the bottom spring exerts on the...
(a) An elevator of mass m moving upward has two forces acting on it: the upward...
(a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the cable and the downward force due to gravity. When the elevator is accelerating upward, which is greater, T or w? Tw Both forces are equal. (b) When the elevator is moving at a constant velocity upward, which is greater, T or w? Tw Both forces are equal. (c) When the elevator is moving upward, but the acceleration is downward, which is...
(a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the cable and the d...
(a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the cable and the downward force due to gravity. When the elevator is accelerating upward, which is greater, T or w? T w Both forces are equal. (b) When the elevator is moving at a constant velocity upward, which is greater, T or w? T w Both forces are equal. (c) When the elevator is moving upward, but the acceleration...
A block of mass m1 = 1.0 kg initially moving to the right with a speed...
A block of mass m1 = 1.0 kg initially moving to the right with a speed of 3.2 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 = 3.4 kg initially moving to the left with a speed of 2.6 m/s as shown in figure (a). The spring constant is 530N/m. (A) Find the velocities of the two blocks after the collision. (B) During the collision, at the instant block 1...
A single mass (m1 = 4.3 kg) hangs from a spring in a motionless elevator. The...
A single mass (m1 = 4.3 kg) hangs from a spring in a motionless elevator. The spring constant is k = 266 N/m. 1) What is the distance the spring is stretched from its unstretched length? 2) Now, three masses (m1 = 4.3 kg, m2 = 12.9 kg and m3 = 8.6) hang from three identical springs in a motionless elevator. The springs all have the same spring constant given above. What is the magnitude of the force the bottom...
2. A block of mass of 12.0 kg is sitting on a frictionless surface. If the...
2. A block of mass of 12.0 kg is sitting on a frictionless surface. If the block is initially at rest, and a force of 5.0 N parallel to the surface is applied for 13.0 seconds, what is the final speed of the block?
A single mass m1 = 3.5 kg hangs from a spring in a motionless elevator. The...
A single mass m1 = 3.5 kg hangs from a spring in a motionless elevator. The spring is extended x = 15 cm from its unstretched length. 1) What is the spring constant of the spring? Now, three masses m1 = 3.5 kg, m2 = 10.5 kg and m3 = 7 kg hang from three identical springs in a motionless elevator. The springs all have the same spring constant that you just calculated above. What is the force the top...
3 A block of mass 15 kg is initially moving with velocity 20 m/s. If a...
3 A block of mass 15 kg is initially moving with velocity 20 m/s. If a net 800 J of work is done by the force, calculate the final velocity attained by the block. [Work- Energy theorem)
A) 70 kg man s standing in an elevator. Find the reaction of the elevator on the man if a) the elevator is accelerating upward at 1.5 m/s^2 b) the elevator is accelerating downward at 1.5m/s^2 c) the elevator is descending at a constant velocity 3m/s. B) If the elevator and its contents has a total mass of 1500kg, and it is sup four cables each having a tension T. ? find the tension T IN EACH OF THE...
3 A block of mass 15 kg is initially moving with velocity 20 m/s. If a net 800 J of work is done by the force, calculate the final velocity attained by the block. [Work- Energy theorem)
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