Answer:
a) 
b) 
c) 
d) 
Explanation:
a) The initial vertical velocity is given by:
Where:
θ: 25°
v: is the magnitude of the speed = 23 m/s
b) The initial horizontal velocity can be calculated as follows:
c) The flight time can be calculated using the following equation:
Where:
x: is the total distance = 42 m
d) The maximum height is given by:
Where:
: is the final vertical velocity =0 (at the maximum heigth)
g: is the gravity = 9.81 m/s²
I hope it helps you!
C) S waves. s waves cannot travel through liquids
Answer:
b. Research projects for a specific cause
Explanation:
Research funded by private foundations are usually for a specific cause. These type of research are usually properly scrutinized, and must have a high probability of success. Most of these projects may not be to benefit the consumers, but are usually done with a special purpose in mind.
Answer:
21600
1296000
Explanation:
Full cycle consists of
1 hour = 3600 seconds
1 minute = 60 seconds
Converting to arcminutes
The arcminutes in a full cycle is 21600
Converting to arcseconds
The arseconds in full cycle is 1296000
