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An elevator is moving upward with a velocity of 15 m/s. Three seconds later, the elevator...
An elevator is moving upward with a speed of 11 m/s. Three seconds later, the elevator...
An elevator is moving upward with a speed of 11 m/s. Three seconds later, the elevator is still moving upward, but its speed has been reduced to 5.0 m/s. What is the average acceleration of the elevator during the 3.0 s interval? 2.0 m/s2, downward 2.0 m/s2, upward 5.3 m/s2, downward 5.3 m/s?, upward
An elevator is initially moving upward at a speed of 13.08 m/s. The elevator experiences a...
An elevator is initially moving upward at a speed of 13.08 m/s. The elevator experiences a constant downward acceleration of magnitude 4.16 m/s2 for 2.79 s. (a) Find the magnitude and direction of the elevator's final velocity. magnitude direction ---Select--- upward downward none (b) How far did it move during the 2.79 s interval?
An elevator is initially moving upward at a speed of 12.60 m/s. The elevator experiences a...
An elevator is initially moving upward at a speed of 12.60 m/s. The elevator experiences a constant downward acceleration of magnitude 3.92 m/s2 for 2.97 s (a) Find the magnitude and direction of the elevator's final velocity. magnitude direction !--Select--# (b) How far did it move during the 2.97 s interval?
on a (a) The elevator accelerates upward from rest at a rate of 1.25 m/s? for...
on a (a) The elevator accelerates upward from rest at a rate of 1.25 m/s? for 1.50 s. What does the scale read during this 1.50s interval? (b) The elevator continues upward at constant velocity for 8.50 s, what does the scale read nos? (c) While still moving upward, the elevator's speed decreases at a rate of 0.700 m/s? for 3.00 s. What is the scale reading during this time? Tutorial In an exciting game, a baseball player manages to...
(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...
Ball A is thrown upward with a velocity of 19.6 m/s. Two seconds later ball B...
Ball A is thrown upward with a velocity of 19.6 m/s. Two seconds later ball B is thrown upward with a velocity of 9.8 m/s. Which ball is first to return to the thrower's hand?
(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...
Please help me solve questions 6 6) A 50 kg person on a scale is in an elevator. The elevator is at rest for 3 seconds. Then it takes 0.8 seconds to accelerate to 6 m/s moving down. It moves el...
Please help me solve questions 6
6) A 50 kg person on a scale is in an elevator. The elevator is at rest for 3 seconds. Then it takes 0.8 seconds to accelerate to 6 m/s moving down. It moves elevator then takes 1.2 seconds to slow to a stop. at this speed for 5 seconds. The 6a) Draw an FBD of the situation during both of the accelerations. 42 What is the acceleration of the person during the first...
For the following velocity graph, velocity is in m/s and time is in s. For the...
For the following velocity graph, velocity is in m/s and time is in s. For the interval t 2s to t = 5s, find (a)[4 pts] the average acceleration, and (b)4 pts] the displacement Aæ. t 5 2 4 1 For the following described motion, draw a position-time, a velocity-time, and an acceleration-time graph on the grids provided: 1. Standing still at the 0.6 meter position for 1 second. 2. Walking away from the detector speeding up slowly and steadily...
a(m/s) F1. An elevator is on the 20° floor of a 40-floor building. At time 1-0,...
a(m/s) F1. An elevator is on the 20° floor of a 40-floor building. At time 1-0, the elevator is at rest and the doors have just finished closing A student on the elevator has a smartphone with an app that can measure vertical acceleration. The student takes data for the 10 seconds starting at time the acceleration data is shown in the graph on the right. Let positive values represent upward acceleration (a) Qualitatively and quantitatively describe the motion of...
An elevator is moving upward with a speed of 11 m/s. Three seconds later, the elevator is still moving upward, but its speed has been reduced to 5.0 m/s. What is the average acceleration of the elevator during the 3.0 s interval? 2.0 m/s2, downward 2.0 m/s2, upward 5.3 m/s2, downward 5.3 m/s?, upward
An elevator is initially moving upward at a speed of 12.60 m/s. The elevator experiences a constant downward acceleration of magnitude 3.92 m/s2 for 2.97 s (a) Find the magnitude and direction of the elevator's final velocity. magnitude direction !--Select--# (b) How far did it move during the 2.97 s interval?
on a (a) The elevator accelerates upward from rest at a rate of 1.25 m/s? for 1.50 s. What does the scale read during this 1.50s interval? (b) The elevator continues upward at constant velocity for 8.50 s, what does the scale read nos? (c) While still moving upward, the elevator's speed decreases at a rate of 0.700 m/s? for 3.00 s. What is the scale reading during this time? Tutorial In an exciting game, a baseball player manages to...
Please help me solve questions 6
6) A 50 kg person on a scale is in an elevator. The elevator is at rest for 3 seconds. Then it takes 0.8 seconds to accelerate to 6 m/s moving down. It moves elevator then takes 1.2 seconds to slow to a stop. at this speed for 5 seconds. The 6a) Draw an FBD of the situation during both of the accelerations. 42 What is the acceleration of the person during the first...
For the following velocity graph, velocity is in m/s and time is in s. For the interval t 2s to t = 5s, find (a)[4 pts] the average acceleration, and (b)4 pts] the displacement Aæ. t 5 2 4 1 For the following described motion, draw a position-time, a velocity-time, and an acceleration-time graph on the grids provided: 1. Standing still at the 0.6 meter position for 1 second. 2. Walking away from the detector speeding up slowly and steadily...
a(m/s) F1. An elevator is on the 20° floor of a 40-floor building. At time 1-0, the elevator is at rest and the doors have just finished closing A student on the elevator has a smartphone with an app that can measure vertical acceleration. The student takes data for the 10 seconds starting at time the acceleration data is shown in the graph on the right. Let positive values represent upward acceleration (a) Qualitatively and quantitatively describe the motion of...
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