posted 1 years ago

1.2 \times 10^{-5} \mathrm{rad} s^{-1}

2.6 \times 10^{-1} \mathrm{rad} s^{-1}

4.2 \times 10^{-3} \mathrm{rad} s^{-1}

7.3 \times 10^{-5} \mathrm{rad} s^{-1}

posted 1 years ago

Which is greater for F than for N?

O angular speed

O gravitational force on the satellite

O kinetic energy

orbital period

posted 1 years ago

The acceleration of the object is *

) in the direction of the gravitational field.

zero

opposite to the direction of the gravitational field.

O at 90° to the direction of the gravitational field.

posted 1 years ago

15 m s^{-2}

8.0 m s^{-2}

12 \mathrm{~ms}^{-2}

1.3 m s^{-2}

posted 1 years ago

1. The body's velocity

2. The accelerating force acting on the body

3. The acceleration of the body.

Which of these quantities areexactly in phase with each other?

1 and 3 only

All of these quantities

O 1 and 2 only

O None of these quantities

O 2 and 3 only

posted 1 years ago

\frac{x}{m}=0.02 \cos \left[0.1\left(\frac{t}{s}\right)\right]

\frac{x}{m}=0.02 \sin \left[0.2 \pi\left(\frac{t}{s}\right)\right]

\frac{x}{m}=0.1 \sin \left[10\left(\frac{t}{s}\right)\right]

\frac{x}{m}=0.02 \cos \left[10\left(\frac{t}{s}\right)\right]

\frac{x}{m}=0.1 \cos \left[0.2 \pi\left(\frac{t}{s}\right)\right]

posted 1 years ago

O The KE is zero and the Tension is at a Maximum

O The KE is zero and the Tension is at a Minimum

The KE is at a Maximum and the Tension is at a Maximum

O The KE is at a Maximum and the Tension is at a Minimum

The KE is at a Minimum and the Tension is zero

posted 1 years ago

What is the period of the motion in seconds?

x=(1.6 m) \cos (3 \pi t)

\frac{1}{3 \pi}

\frac{3}{2}

3 \pi

\frac{2}{3}

posted 1 years ago

Which area in the graph shows the total gravitational field strength, g = 0 *

O None of the regions highlighted has g=0

O D

DA

В

posted 1 years ago

\frac{m n^{2} r^{2}}{4 \pi^{2}}

2 m \pi^{2} n^{2} r^{2}

4 m \pi^{2} n^{2} r^{2}

\frac{m n^{2} r^{2}}{8 \pi^{2}}