Answer:
It’s 18.0 m/s
Explanation:
Use acceleration formula then plug in 9.8 and 1.84s
A. During long jump athlete runs before taking the jump by doing so he provides himself a larger inertia.
<h3>
What is inertia?</h3>
Inertia is the reluctance of an object to stop moving once in motion or start moving when it is at rest.
When an athlete runs before taking the jump, he is trying to increase his inertia, that is his reluctance to stop, thereby increasing his forward motion or jump.
Thus, during long jump athlete runs before taking the jump by doing so he provides himself a larger inertia.
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The magnetic flux is 2.6 x 10-3 Wb
<h3>
What is Magnetic flux?</h3>
Magnetic flux is the measurement of the total magnetic field that passes through a given area.
It is a useful tool for helping to describe the effects of the magnetic force on something that occupies a given area.
Area of triangle inside the field, A = 1/2 x 0.1 x 0.2 x sin 60 = 0.00866 m2
therefore, magnetic flux = B x A = 0.3 x 0.0086 = 2.6 x 10-3 Wb
(B) Applying Lenz's law, the direction of the current will be clockwise
Complete question:
The metal equilateral triangle in the figure, 20 cm on each side, is halfway into a 0.30 T magnetic field Find the magnetic flux and what will the direction of current be?
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Refer to the diagram shown below.
The angle is in quadrant 4, therefore cos θ is positive.
The length of the hypotenuse is determined from the Pythagorean theorem as
c² = 3² + 4² = 25
c = 5
Calculate cosine of the reference angle.
cos θ = 3/5
Answer: 3/5
Answer:
a= 0.5m/s^2
Explanation:
Force applied on an object is known as
F=m.a (Newton's second law states it)
a=F/m
a=5/10=0.5m/s^2