Part 1 A gust of wind blows an apple from a tree. As the apple falls,...
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Part 1
A gust of wind blows an apple from a tree. As the apple falls,...
Q 6.28: As a 3.3-N apple falls from a 3.5-m tree under the influence of gravity,...
Q 6.28: As a 3.3-N apple falls from a 3.5-m tree under the influence of gravity, a constant air drag force of 0.22 N acts on the apple. Determine the work done on the apple by the conservative force in this situation.
- Part A-An apple falls from a tree and drops straight to the ground. Its initial...
- Part A-An apple falls from a tree and drops straight to the ground. Its initial height was 1.1 m, and its speed just before hitting the ground was 3.5 m/s. If air resistance does -8.0x10-2 J of work on the apple, what is the mass of the apple? 2.5x10-2 kg 1.7x10-2 kg 4.7x10-3 kg 3.2x10-2 kg
An eagle descends steeply onto its prey. Its weight (the gravitational force on the eagle), of...
An eagle descends steeply onto its prey. Its weight (the gravitational force on the eagle), of magnitude 60.0 N, points downward in the -y-direction. The left force exerted on the eagle's wings by the air, also of magnitude 60.0 N, is at an angle of 20.0∘ from the vertical (the +y-direction) and 70.0∘ from the +x-direction. The drag force (air resistance) exerted on the eagle by the air has magnitude 15.0 N and is at an angle of 20.0∘ from...
A m = 2.45 kg object hangs in equilibrium at the end of a rope (taken...
A m = 2.45 kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a F W = 15.7 N horizontal force. Find the magnitude of the tension in the rope and the rope's angle from the vertical. The acceleration due to gravity is g = 9.81 m/s2. A ball attached to the end of a rope hangs from an overhead support. The rope is straight, and hangs at...
Please help me answer these two questions, they are physics II questions Question (part 1 of...
Please help me answer these two questions, they are physics II
questions
Question (part 1 of 2) hree positive point charges are arranged in a triangular pattern in a plane, as shown. 5 nC of the net electric force on the 6 nC charge. The Coulomb constant is Find the magnitude 8.98755 x 109 N. m2/c2 Answer in units ofN Question (part 2 of 2) What is the direction of this force (as an angle between -180° and 180° measured...
Tarzan, who weighs 866 N, swings from a cliff at the end of a 16.0 m...
Tarzan, who weighs 866 N, swings from a cliff at the end of a 16.0 m vine that hangs from a high tree limb and initially makes an angle of 24.3° with the vertical. Assume that an x axis points horizontally away from the cliff edge and a y axis extends upward. Immediately after Tarzan steps off the cliff, the tension in the vine is 789 N. Just then, what are (a) the force from the vine on Tarzan in...
During a storm, a tree limb breaks off and comes to rest across a barbed wire...
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 136 N on the wire. The left section of the wire makes an angle of 10° relative to the horizontal and sustains a tension of 447 N. Find the magnitude and direction of the tension that the right section of the wire sustains....
A 35.0 N force stretches a vertical spring 0.350 m. Part A What mass must be...
A 35.0 N force stretches a vertical spring 0.350 m. Part A What mass must be suspended from the spring so that the system will oscillate with a period of 1.00 s? Express your answer with the appropriate units. MÅ O O ? m = Value Units Submit Request Answer Part B If the amplitude of the motion is 5.0x10-2 m and the period is that specified in part A, where is the object and in what direction is it...
Consider three charges arranged in a triangle as shown. Y 8.1 nC 0.748 m G4 4.4...
Consider three charges arranged in a triangle as shown. Y 8.1 nC 0.748 m G4 4.4 nc 0.284 m -2.2 nC What is the net electric force on the charge at the origin? The value of the Coulomb constant is 8.99 x 109 Nm²/C2. Answer in units of N. 002 (part 2 of 4) 10.0 points What is the direction of this force (as an angle between – 180° and +180° measured from the positive x-axis, with counterclockwise posi- tive)?...
Tarzan, who weighs 838 N, swings from a cliff at the end of a 24.9 m...
Tarzan, who weighs 838 N, swings from a cliff at the end of a 24.9 m vine that hangs from a high tree limb and initially makes an angle of 21.5° with the vertical. Assume that an x axis points horizontally away from the cliff edge and a y axis extends upward. Immediately after Tarzan steps off the cliff, the tension in the vine is 780 N. Just then, what are (a) the force from the vine on Tarzan in...
Q 6.28: As a 3.3-N apple falls from a 3.5-m tree under the influence of gravity, a constant air drag force of 0.22 N acts on the apple. Determine the work done on the apple by the conservative force in this situation.
- Part A-An apple falls from a tree and drops straight to the ground. Its initial height was 1.1 m, and its speed just before hitting the ground was 3.5 m/s. If air resistance does -8.0x10-2 J of work on the apple, what is the mass of the apple? 2.5x10-2 kg 1.7x10-2 kg 4.7x10-3 kg 3.2x10-2 kg
Please help me answer these two questions, they are physics II
questions
Question (part 1 of 2) hree positive point charges are arranged in a triangular pattern in a plane, as shown. 5 nC of the net electric force on the 6 nC charge. The Coulomb constant is Find the magnitude 8.98755 x 109 N. m2/c2 Answer in units ofN Question (part 2 of 2) What is the direction of this force (as an angle between -180° and 180° measured...
A 35.0 N force stretches a vertical spring 0.350 m. Part A What mass must be suspended from the spring so that the system will oscillate with a period of 1.00 s? Express your answer with the appropriate units. MÅ O O ? m = Value Units Submit Request Answer Part B If the amplitude of the motion is 5.0x10-2 m and the period is that specified in part A, where is the object and in what direction is it...
Consider three charges arranged in a triangle as shown. Y 8.1 nC 0.748 m G4 4.4 nc 0.284 m -2.2 nC What is the net electric force on the charge at the origin? The value of the Coulomb constant is 8.99 x 109 Nm²/C2. Answer in units of N. 002 (part 2 of 4) 10.0 points What is the direction of this force (as an angle between – 180° and +180° measured from the positive x-axis, with counterclockwise posi- tive)?...
Tarzan, who weighs 838 N, swings from a cliff at the end of a 24.9 m vine that hangs from a high tree limb and initially makes an angle of 21.5° with the vertical. Assume that an x axis points horizontally away from the cliff edge and a y axis extends upward. Immediately after Tarzan steps off the cliff, the tension in the vine is 780 N. Just then, what are (a) the force from the vine on Tarzan in...
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