A block of mass 47 kg is situated on the floor of an elevator that is...
A block of mass 47 kg is situated on the floor of an elevator that is accelerating upward at 4.95 m/s2 . What magnitude force does the elevator floor exert on the block?
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A block of mass 47 kg is situated on the floor of an elevator
that is...
A 2.40-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic...
A 2.40-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.480. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 1.20 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 1.20 m/s2.
A 3.10-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic...
A 3.10-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.460. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 2.30 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 2.30 m/s2. N
A 2.00-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic...
A 2.00-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.440. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 2.00 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 2.00 m/s2. N
If a 63.4 kg person stood on the floor in an elevator accelerating upward with 0.41g,...
If a 63.4 kg person stood on the floor in an elevator accelerating upward with 0.41g, what would be the magnitude of the force exerted on the floor by the person? (b) What would be the magnitude of the force if the elevator were accelerating downward with 0.54g?
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 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...
pls answer all questions 4. A 1200.0 kg elevator is resting on the bottom floor and...
pls
answer all questions
4. A 1200.0 kg elevator is resting on the bottom floor and is being pulled upward by a cable (but is not moving). If the tension in the cable is 5240 N, what is the magnitude of the normal force acting on the elevator? a. 5240 N b. 4040 N с, 6520 N d. 11800 N 15. How much momentum does a 25 kg child have that is moving at 1 km/h? a. 174 kg m/s...
A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at...
A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 1.20 m/s^2. What is the magnitude of the normal force of the elevator floor on the dog? An astronaut's weight on earth is 80 N. What is his weight on Mars where g = 3.76 m/s^2? (a) How much work does an elevator motor do to lift a 1000 kg elevator a height of 100 m? (b) How much power does the motor supply...
In the figure, a 0.25 kg block of cheese lies on the floor of a 970...
In the figure, a 0.25 kg block of cheese lies on the floor of a
970 kg elevator cab that is being pulled upward by a cable through
distance d1 = 2.3 m and then through
distanced2 = 10.2 m. (a)
Through d1, if the normal force on the block
from the floor has constant magnitude FN = 3.11
N, how much work is done on the cab by the force from the cable?
(b) Through d2, if the work...
Man in Elevator (c4p28) An 60- kg man stands in an elevator. What force does he...
Man in Elevator (c4p28) An 60- kg man stands in an elevator. What force does he exert on the floor of the elevator under the following conditions? The elevator is stationary. Subonit Anamer Tries 0/10 The elevator accelerates upward at 1.7 m/s2. Submit AnsmTries 0/10 The elevator rises with constant velocity of 4.1 m/s. While going up, the elevator accelerates downward at 1.7 m/s2. Suboni ApsaTries 0/10 The elevator goes down with constant velocity of 6.3 m/s. Submit AnseerTries 0/10
If a 63.4 kg person stood on the floor in an elevator accelerating upward with 0.41g, what would be the magnitude of the force exerted on the floor by the person? (b) What would be the magnitude of the force if the elevator were accelerating downward with 0.54g?
pls
answer all questions
4. A 1200.0 kg elevator is resting on the bottom floor and is being pulled upward by a cable (but is not moving). If the tension in the cable is 5240 N, what is the magnitude of the normal force acting on the elevator? a. 5240 N b. 4040 N с, 6520 N d. 11800 N 15. How much momentum does a 25 kg child have that is moving at 1 km/h? a. 174 kg m/s...
A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 1.20 m/s^2. What is the magnitude of the normal force of the elevator floor on the dog? An astronaut's weight on earth is 80 N. What is his weight on Mars where g = 3.76 m/s^2? (a) How much work does an elevator motor do to lift a 1000 kg elevator a height of 100 m? (b) How much power does the motor supply...
In the figure, a 0.25 kg block of cheese lies on the floor of a
970 kg elevator cab that is being pulled upward by a cable through
distance d1 = 2.3 m and then through
distanced2 = 10.2 m. (a)
Through d1, if the normal force on the block
from the floor has constant magnitude FN = 3.11
N, how much work is done on the cab by the force from the cable?
(b) Through d2, if the work...
Man in Elevator (c4p28) An 60- kg man stands in an elevator. What force does he exert on the floor of the elevator under the following conditions? The elevator is stationary. Subonit Anamer Tries 0/10 The elevator accelerates upward at 1.7 m/s2. Submit AnsmTries 0/10 The elevator rises with constant velocity of 4.1 m/s. While going up, the elevator accelerates downward at 1.7 m/s2. Suboni ApsaTries 0/10 The elevator goes down with constant velocity of 6.3 m/s. Submit AnseerTries 0/10
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