Answer:
q = 27.16 C
Explanation:
For this exercise we use the equations of equilibrium. Let's set a reference system with the x-axis horizontally.
X axis
F_e - Tₓ = 0
Axis y
T_y -W = 0
let's use trigonometry
cos θ = T_y / T
sin θ= Tx / T
T_y = T cos θ
Tₓ = T sin θ
Axis y
T cos θ = W
T = mg / cos θ
X axis
F_e = T sin θ
qE = T sin θ
q =
q =
q =
in the exercise they indicate that the electric field is the month of birth E = 8 N / C and the angle tea = 30º
let's calculate
q = 0.2 9.8 8 / tan 30
q = 27.16 C
Answer:
c. The truck with greater speed
Explanation:
Energy can be defined as the ability (capacity) to do work. The two (2) main types of energy are;
a. Gravitational potential energy (GPE): it is an energy possessed by an object or body due to its position above the earth.
b. Kinetic energy (KE): it is an energy possessed by an object or body due to its motion.
Mathematically, kinetic energy is given by the formula;
![K.E = \frac{1}{2}MV^{2}](https://tex.z-dn.net/?f=%20K.E%20%3D%20%5Cfrac%7B1%7D%7B2%7DMV%5E%7B2%7D)
Where;
K.E represents kinetic energy measured in Joules.
M represents mass measured in kilograms.
V represents speed or velocity measured in metres per seconds square.
From the above formula, we can deduce that the kinetic energy of an object is directly proportional to the square of the value of its velocity or speed.
Hence, the truck with greater speed would have a greater amount of kinetic energy.
Answer:
14.36 N
Explanation:
= Tension in string 1
= Tension in string 2
= mass of the bar = 2.7 kg
= weight of the bar
weight of the bar is given as
N
= mass of the bar = 1.35 kg
= weight of the monkey
weight of the monkey is given as
N
Using equilibrium of torque about left end
N
Using equilibrium of force in vertical direction
N
Answer:
C Iqaluq's observation belies a wider phenomenon. In summer 2020, due to intense summer heat, sea ice in the Arctic melted to its second-lowest extent on record.
Explanation:
Logic refers to the use of evidence to support one's argument. Statistics, facts, and data are used to back up the writer's argument. In the third option, the writer uses facts and figures to support his argument. He cited data on the Arctic melting in the summer of 2020.
The importance of logical reasoning is that the reader can reach a conclusion through the premises cited by the author. It is even more beneficial if the premises are data that can be verified.
Answer:
about room away..........