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Which balancing act in the figure is in neutral equilibrium? (See Picture on Shared Screen)
Second
The bus will tend to rock around its CG, so the closer you are to the center of the bus, the less motion you will feel.
A. F= G m(1)m(2)/r^2=2.7 x 10^-8 N
C. 357 N
Option 3 the one on the right
The sum of the distances from each point on a closed curve to the two foci is constant.
Option 1 the one on the left
False
In the Olympic hammer-throw event, an athlete throws a 7.3 kg lead ball attached to a 1.2 m cable. The athlete swings the ball in a circle three or four times before letting it go. If the ball attains a speed of 27 m/s, how much tension is there?
Second
The bus will tend to rock around its CG, so the closer you are to the center of the bus, the less motion you will feel.
A. F= G m(1)m(2)/r^2=2.7 x 10^-8 N
C. 357 N
Option 3 the one on the right
The sum of the distances from each point on a closed curve to the two foci is constant.
Option 1 the one on the left
False
Kepler’s second law is the ratio of the squares of the periods of any two planets revolving around the sun is equal to the ratio of the cubes of their average distance from the sun.
Second
The bus will tend to rock around its CG, so the closer you are to the center of the bus, the less motion you will feel.
A. F= G m(1)m(2)/r^2=2.7 x 10^-8 N
C. 357 N
Option 3 the one on the right
The sum of the distances from each point on a closed curve to the two foci is constant.
Option 1 the one on the left
False
Which balancing act in the figure is in stable equilibrium? (See Picture on shared screen))
Second
The bus will tend to rock around its CG, so the closer you are to the center of the bus, the less motion you will feel.
A. F= G m(1)m(2)/r^2=2.7 x 10^-8 N
C. 357 N
Option 3 the one on the right
The sum of the distances from each point on a closed curve to the two foci is constant.
Option 1 the one on the left
False
Describe an ellipse.
Second
The bus will tend to rock around its CG, so the closer you are to the center of the bus, the less motion you will feel.
A. F= G m(1)m(2)/r^2=2.7 x 10^-8 N
C. 357 N
Option 3 the one on the right
The sum of the distances from each point on a closed curve to the two foci is constant.
Option 1 the one on the left
False
As a planet moves in its orbit, a line from the sun to the planet sweeps out equal areas in equal times. This is Kepler’s ____ law.
Second
The bus will tend to rock around its CG, so the closer you are to the center of the bus, the less motion you will feel.
A. F= G m(1)m(2)/r^2=2.7 x 10^-8 N
C. 357 N
Option 3 the one on the right
The sum of the distances from each point on a closed curve to the two foci is constant.
Option 1 the one on the left
False
Why is the middle seating most comfortable in a bus traveling along a bumpy road?
Second
The bus will tend to rock around its CG, so the closer you are to the center of the bus, the less motion you will feel.
A. F= G m(1)m(2)/r^2=2.7 x 10^-8 N
C. 357 N
Option 3 the one on the right
The sum of the distances from each point on a closed curve to the two foci is constant.
Option 1 the one on the left
False
Calculate the force of gravity between a newborn baby (mass =4 kg) and the planet Mars (mass=6.4 x 10^23 kg), when Mars is at its closest to Earth (distance = 8 x 10^10 m).
Second
The bus will tend to rock around its CG, so the closer you are to the center of the bus, the less motion you will feel.
A. F= G m(1)m(2)/r^2=2.7 x 10^-8 N
C. 357 N
Option 3 the one on the right
The sum of the distances from each point on a closed curve to the two foci is constant.
Option 1 the one on the left
False
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