Answer:
None of these is correct.
Explanation:
The average speed can be derived from the sum of the total distance traveled and the total time taken.
Total distance = 4.9 + 1.9 = 6.8
Total time taken = 33 + 39 = 72
So;
Average speed = = = 0.014
None of the answer choices given is correct.
Answer:
The energy of a photon is given by:
(1)
Where:
is the Planck constant
is the frequency
On the other hand, there is an inverse relation between the frequency and the wavelength :
(2)
Where is the speed of light, which is also a constant.
If we substitute (2) in (1) we will have the following:
(3)
This means, there is direct relation between the energy and the frequency and there is an inverse relation between the energy and the wavelength.
Answer:
Hey :)
Explanation:
Work is a net force applied through a distance in order to displace an object, commonly abbreviated as W. A net force is the sum of all forces acting on an object. Work is mass times acceleration and distance so to find out the work you simply calculate the acceleration of the box being brought in. Next find the distance it was carried to get in the house. Then find out the mas of the box and finally multiply those sums together to get the amount of work put in to bring the package inside.
hope this helps :) xo
Answer A, climbing vines. Thigmotropism is growth in response to mechanical contact.
Answer:
Explanation:
Given
Height from which cart is released is
as we know energy is Conserved and changes only its form so Potential Energy of Cart converted to kinetic Energy at bottom
Energy at Top
where m=mass of cart
g=acceleration due to gravity
h=height of track w.r.t bottom
Energy at bottom
cancel out common terms