A woman is 1.8 m tall and has a mass of 75 kg. She moves past...
A woman is 1.8 m tall and has a mass of 75 kg. She moves past an observer with the direction of the motion parallel to her height. The observer measures her relativistic momentum to have a magnitude of 1.8 × 1010 kg·m/s. What does the observer measure for her height?
Homework Answers
A woman is 1.7 m tall and has a mass of 66 kg. She moves past...
A woman is 1.7 m tall and has a mass of 66 kg. She moves past an observer with the direction of the motion parallel to her height. The observer measures her relativistic momentum to have a magnitude of 2.3 x 1010 kg.m/s. What does the observer measure for her height? (1.11)
Question 1 2 pts A car of mass 1.8 tons moves with a speed of 34 m/s on a circular track of radiu...
1 and 2
Question 1 2 pts A car of mass 1.8 tons moves with a speed of 34 m/s on a circular track of radius 90 m. What is the magnitude of its angular momentum (in Mkg x m2/s) relative to the center of the race track? (one ton 1000 kg, Mkg Mega-kg) Question 2 2 pts A puck on a frictionless air hockey table has a mass of 2.1 kg and is attached to a cord passing through...
A 64.0-kg woman stands at the western rim of a horizontal turntable having a moment of...
A 64.0-kg woman stands at the western rim of a horizontal turntable having a moment of inertia of 495 kg .m2 and a radius of 2.00 m. The turntable is initially at rest and is free to rotate about a frictionless, vertical axle through its center. The woman then starts walking around the rim clockwise (as viewed from above the system) at a constant speed of 1.50 m/s relative to the Earth. Consider the woman-turntable system as motion begins. (a)...
A woman whose mass is 75 kg is riding in an elevator which is going down...
A woman whose mass is 75 kg is riding in an elevator which is going down with a speed of 10 m/s. The elevator takes 3.0 s to come to a stop. What was her apparent weight during this deceleration?
The acceleration definition a (vf-vo/At Final velocity vf v0+a t Multiply by mass m*vf mvo+ m'aAt...
The acceleration definition a (vf-vo/At Final velocity vf v0+a t Multiply by mass m*vf mvo+ m'aAt so that m'vf m'v+F At Momentum mass velocity Impulse F At Velocity and KE values in a collision would depend on the observer reference frame KE 0.5*m v v pp/2m when momentum p -m'v A lab frame observer reported that a 3 kg impactor-A moving at 15 m/s collided with a stationary 10 kg target-B on a smooth table. 1a- Find the velocity magnitude...
1) A particle has a rest mass of 6.95×10−27 kg and a momentum of 5.15×10−18 kg⋅m/s....
1) A particle has a rest mass of 6.95×10−27 kg and a momentum of 5.15×10−18 kg⋅m/s. Determine the total relativistic energy of the particle.E= JJ Find the ratio of the particle's relativistic kinetic energy to its rest energy. ??rest= 2) Estimate the difference Δtdiff in a 15000-s time interval as measured by a proper observer and a relative observer traveling on a commercial jetliner. Δ?diff= s 3) Suppose that you have found a way to convert the rest energy of...
An airplane of mass 10,000 kg is flying over level ground at a constant altitude of...
An airplane of mass 10,000 kg is flying over level ground at a constant altitude of 4.30 km with a constant velocity of 165 m/s west. Its direction is currently straight toward the top of a mountain. At a particular instant, a house is directly below the plane at ground level. (a) At this instant, what is the magnitude of the plane's angular momentum relative to the house (in kg m-/s)? kg. m/s (b) As the plane continues its constant...
2. A 3.0 kg object moves in the +x direction with a speed of 5.0 m/s....
2. A 3.0 kg object moves in the +x direction with a speed of 5.0 m/s. A 8.0 kg object moves in the -x direction with a speed of 2.5 m/s. What is the momentum of this two-particle system? Assume one-dimensional motion, i.e., all vectors and movements occur along a line.
A soccer ball of mass 0.50 kg is rolling with velocity 0, 0, 1.8 m/s, when...
A soccer ball of mass 0.50 kg is rolling with velocity 0, 0, 1.8 m/s, when you kick it. Your kick delivers an impulse of magnitude 1.2 N · s in the −x direction. The net force on the rolling ball, due to the air and the grass, is 0.22 N in the direction opposite to the direction of the ball's momentum. Using a time step of 0.5 s, find the position of the ball at a time 1.5 s...
A billiard ball of mass m = 0.25 kg strikes the cushion of a billiard table...
A billiard ball of mass m = 0.25 kg strikes the cushion of a billiard table at θ1 = 62° and a speed v1 = 28 m/s. It bounces off at an angle of θ2 = 430 and a velocity of v2 = 11 m/s. What is the magnitude of its change in momentum (in kg·m/s)?
A woman is 1.7 m tall and has a mass of 66 kg. She moves past an observer with the direction of the motion parallel to her height. The observer measures her relativistic momentum to have a magnitude of 2.3 x 1010 kg.m/s. What does the observer measure for her height? (1.11)
1 and 2
Question 1 2 pts A car of mass 1.8 tons moves with a speed of 34 m/s on a circular track of radius 90 m. What is the magnitude of its angular momentum (in Mkg x m2/s) relative to the center of the race track? (one ton 1000 kg, Mkg Mega-kg) Question 2 2 pts A puck on a frictionless air hockey table has a mass of 2.1 kg and is attached to a cord passing through...
A 64.0-kg woman stands at the western rim of a horizontal turntable having a moment of inertia of 495 kg .m2 and a radius of 2.00 m. The turntable is initially at rest and is free to rotate about a frictionless, vertical axle through its center. The woman then starts walking around the rim clockwise (as viewed from above the system) at a constant speed of 1.50 m/s relative to the Earth. Consider the woman-turntable system as motion begins. (a)...
The acceleration definition a (vf-vo/At Final velocity vf v0+a t Multiply by mass m*vf mvo+ m'aAt so that m'vf m'v+F At Momentum mass velocity Impulse F At Velocity and KE values in a collision would depend on the observer reference frame KE 0.5*m v v pp/2m when momentum p -m'v A lab frame observer reported that a 3 kg impactor-A moving at 15 m/s collided with a stationary 10 kg target-B on a smooth table. 1a- Find the velocity magnitude...
An airplane of mass 10,000 kg is flying over level ground at a constant altitude of 4.30 km with a constant velocity of 165 m/s west. Its direction is currently straight toward the top of a mountain. At a particular instant, a house is directly below the plane at ground level. (a) At this instant, what is the magnitude of the plane's angular momentum relative to the house (in kg m-/s)? kg. m/s (b) As the plane continues its constant...
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