Speed does not include a direction, but velocity does.
30 miles per hour north
and
30 miles per hour west
Same speed.
Different velocity.
Answer:

Explanation:
Given that,
The mass of the Jupiter,
The radius of Jupiter,
We need to find the acceleration due to gravity on Jupiter. The formula is

Put all the values,

So, the value of acceleration due to gravity on the Jupiter is
.
The direction of the magnetic force is to the right.
<h3>What is the magnetic field?</h3>
The magnetic field is the region in space where the influence of the magnet is felt. The magnetic force is always in the direction of the magnetic field.
We can see from the image, that the direction of the magnetic force is to the right.
Learn more about magnetic field:brainly.com/question/14848188
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I don’t know the first one but the second one is light and the third one is a satellite
The centripetal acceleration of an object is given by the relation,

where Ac = centripetal acceleration =
R = radius of rotation = 15 m
V = speed of astronaut
Hence, 
solving this we get, V = 38.34 m/s