Answer:
2.51seconds
Explanation: Given that,
Mass = 980kg, Power = 55kw = 55000w , height = 4×3.6 = 14.4m g = 9.8m/s^2, time= ?
Energy consumed = mass×g×height
Energy consumed = 980×9.8×14.4
Energy consumed = 138297.6joules
Where power = Energy consumed/time
55000 = 138297.6joules÷ time
55000t = 138297.6
t = 138297.6÷55000
t = 2.51seconds
The time to complete the trip from the 4th to 8th floor is 2.51seconds
The particle is an electron. The field slows down the electron without deflecting it. The direction of the electric field is <u>right.</u>
In physics, the motion of electrically charged particles gives rise to a field called an electric field. It is measured in force per unit charge.
This field applies force on other charged particles.
Particles bearing opposite charges attract each other while particles having similar charges repel each other in the field.
If a positive charge is placed in the field then the field line moves in an outward direction and for a negative charge, the direction of the lines is inward.
If you need to learn more about electric field click here:
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The neutron has a negative charge.
I'm thinking the answer would be D.
I hope this helps ☺ Let me know if you have any others
The energy of one massive object has in relation with another massive object due to gravity is called gravity