Planet Roton has a mass of 4.0 × 10^23 kg and a radius of 2.0 × 10^6 m. With what speed should a space probe be launched from the surface of Roton so as to achieve a maximum distance of 3.0 × 10^6 m from the center of Roton?
a. 4.2 km/s
b. 3.9 km/s
c. 3.0 km/s
d. 3.4 km/s
e. 6.0 km/s
C
You might also like to view...
A rectangular wire loop (length = 60 cm, width = 40 cm) lies completely within a perpendicular and uniform magnetic field of magnitude of 0.5 T. If the length of the loop starts increasing at a rate of 20 mm/s at time t = 0, while the width is decreasing at the same rate, what is the magnitude of the induced emf at time t = 4.0 s?
A. 6.8 mV B. 5.2 mV C. 3.6 mV D. 8.4 mV E. 10 mV
Air pressure decreases with
A) increasing height. B) increasing humidity. C) increasing temperature. D) increasing density.
Steam is heated from 4 MPa, 480ºC to 4 MPa, 640ºC. Determine the heat added to the steam per unit mass.
What will be an ideal response?
Intensity: The intensity of the waves from a point source at a distance d from the source is I. At what distance from the sources is the intensity equal to 2I?
A. d/2
B. d/
C. d/4
D. d/8