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Scientists want to place a 3800.0 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 2.0 times the radius of Mars above the surface of the planet. Here is some information that will help solve this problem:
mmars = 6.4191 x 1023 kg
rmars = 3.397 x 106 m
G = 6.67428 x 10-11 N-m2/kg2
a) What speed should the satellite have to be in a perfectly circular orbit?
b) How much time does it take the satellite to complete one revolution?
Submarines control their buoyancy using ballast tanks. To sink the tanks can be flooded with water and to rise compressed air can be fed into the tanks to expel the water, lowering the density of the sub.
A 50 kg ballet dancer stands on her toes during a performance with four square inches (26.0 cm2) in contact with the floor. What is the pressure exerted by the floor over the area of contact (a) if the dancer is stationary and (b) if dancer is lea..
A speedboat moves on a lake with initial velocity vector V1x= 9.27m/s and V1y= -2.83m/s, What are the components of the speedboat's final velocity
A diver observes a bubble of air rising from the bottom of a lake to the surface, What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom
make sure to label the graphs with units and values to indicate any critical points of the ball's motion.
A ferromagnetic metal at very low temperatures has a specific heat capacity given by c(T)= zT+yT^3+zT^(3/2). find the entropy increase due to this process
If a bullet is fired vertically upwards with the speed calculated in (b), what is the maximum height that the bullet can reach.
A 9.22 kg ball, hanging from the ceiling by the light wire 145.00 cm long, is struck in an elastic collision by a 1.20 kg ball moving horizontally at 6.46 m/s just before the collision.
A 22 nC charge is placed at the origin of an x-y coordinate system. A 16 nC charge is placed at coordinate (0, 8cm) and a -14 nC charge is at (-6cm, 0). What is the electric potential at coordinate (-6cm, 8cm)
plan a free-body diagram for the charge.
A ball with a vertically downwards initial velocity v(0) = 3 m/s collides with a fixed inclined surface. find the velocity of the ball after it rebounds
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
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