Answer:
Food, wind, water.
Explanation:
This is supposed to be a personalized question so I answered with things that can make/give energy.
Answer:
Momentum = 750 Kgm/s
Explanation:
Given the following data;
Mass = 10 kg
Velocity = 75 m/s
To find the momentum;
Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.
Mathematically, momentum is given by the formula;
Substituting into the formula, we have;
Momentum = 10 * 75
Momentum = 750 Kgm/s
Answer:
This is an astrophysics question and we will use the following formulas to get the time 't' it will take the sun to move a distance equals to it's own diameter 'd'.
Recal:
ω = 2π rads,
Then the earth's angular velocity will be,
ω = (2πrads / (24h * 3600s/h)) = 7.27x10⁻⁵ rad/s
and note that the Angular Acceleration
∅= ω*t
9.28x10⁻³rads = 7.27x10⁻⁵rads x t
t = 127 s
Hence, the time (in seconds) it take for the sun to move a distance equal to its own diameter = 127seconds
#3). c
#4). b
#5). d
Does it mean as much as you thought it would ?
Answer:
- 3 cm
Explanation:
From the mirror formula;
1/f = 1/v + 1/u ; where f is the focal length, v is the image distance, and u is the object distance.
1/-4.5 = 1/9 + 1/v
1/v = -1/4.5 - 1/9
= -1/3
Therefore;
v = -3 cm
Hence;
Image distance is - 3cm