At a height of 3.2 meters, the final speed of the model rocket is 26.05 m/s.
Given the following data:
To find the final speed of the model rocket, we would use the third equation of motion;
Where:
Substituting the given parameters into the formula, we have;
Final velocity, V = 26.05 m/s
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We can solve the problem by using the following equation:
where
vf is the final speed of the rocket
vi=0 is the initial speed of the rocket (it starts from rest)
is the rocket's acceleration
S=3.2 m is the distance covered by the rocket
Re-arranging the equation, we find the velocity of the rocket after 3.2 m:
-palm
-fingers
-back
-thumb
Answer: Palm
Explanation: When you have a wire, you must point your thumb in the direction in which the electricity is going, and now you close your palm, in the direction in which you closed your hand is in the direction in which points the magnetic field.
Then the correct option is the first one, the palm points in the direction of the magnetic field.
Answer:
Fingers
Explanation:
The index finger shows the moving charge, while your middle finger shows the magnetic field line.
B) none, because the lens is too close to the object
C) a virtual image
D) an inverted real image
Answer:
C
Explanation:
An object that is less than a focal length from a convex lens forms a virtual, magnified image. When the object is closer to a convex lens than the focal point, its rays do not pass through the focal point to form an image on the opposite side of the lens.