Answer:
= 0.086J
Explanation:
we are given three equal charges q₁ q₂ q₃ = 1.60 μC
sides of triangle = 0.800m
U = 1/4πε₀(3q²/r)
1/4πε₀ = 9.0 × 10⁹ N.m²/C²
U = 9.0 × 10⁹ ((3 * 1.60 × 10⁻⁶)² / (0.800))
= 0.086J
Answer:
Energy
Explanation:
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Answer:
73325J
Explanation:
Given parameters:
Mass of water = 0.5kg
Initial temperature = 30°C
Final temperature = 65°C
Specific heat capacity = 4190J/kg°C
Unknown:
Amount of energy absorbed = ?
Solution:
The amount of energy absorbed can be derived using the expression below;
H = m c Δt
H is the amount of energy
m is the mass
c is the specific heat
Δt is the change in temperature
H = 0.5 x 4190 x (65 - 30 )
H = 73325J
Answer:
rotation and revolution
Explanation:
out of the four motions the earth is subject to which are: rotation about its axis, revolution around the Sun, processional motion (a slow conical movement
) of the axis, and the solar motion (this refers to the
movement of the whole solar system with space), only two are of any
importance to meteorology as this two causes changes in weather and seasons. The first motion is rotation. Earth rotates on its axis
once every 24 hours. One-half of the Earth’s surface is
therefore facing the Sun at all times. The second motion of Earth is its revolution around the Sun. The revolution around the Sun and the earth tilt on its axis are responsible for changes in seasons. The Earth
makes one complete revolution around the Sun in
approximately 365 1/4 days.
Answer:
According to the data given in the question, experiment on table two pulling and falling masses are arranged in the fig. 250 g is pulling right side and 100 g pulling down. The gravitational force is common to both the masses, so we cannot say that the block moves towards heavier mass, also the block does not move towards the lighter mass.
Obviously, the effect of heavier mass of 250 g is more on the block, so the block moves towards right bottom corner. i.e., diagonally between two masses
please find the attachment.
