The Desert Biome is your answer. They have deep roots because it receives little to no rainfall
That is correct. Or so I believe. Either more or less than the other on the amount of protons and electrons, you can get either an unstable or a stable atom of an element.
Answer:
Explanation:
Given
Maximum height H = 300m
Range (horizontal distance) = 380m
Required
Initial speed U and the angle of the ball when it was launched.
Range = U√2H/g
380 = U√2(300)/9.8
380 = U√600/9.8
380 = 7.8246U
U = 380/7.8246
U = 48.57m/s
The initial speed is 48.57m/s
b) Using the formula for calculating time of flight;
T = 2Usin theta/g
9 = 2(48.57)sin theta/9.8
9*9.8 = 97.14sin theta
88.2 = 97.14sin theta
88.2/97.14 = sin theta
sin theta = 0.9079
theta = sin^-1(0.9079)
theta = 65.23°
hence the angle when the ball was launched is 65.23°
Answer:
(a) 
(b) (5.05 m, 16.93 degrees wrt x-axis)
Explanation:
Given:
= (3.00 m, 315 degrees wrt x-axis)
= (4.50 m, 53.0 degrees wrt x-axis)
Let us first fond out vector D and E in their rectangular form.

Similarly,

Part (a):
We can write the resultant vector R as below:

Part (b):

Since both the components of the resultant lie on the positive x and y axes. So, the resultant makes an acute angle with the positive x-axis.
So, R = (5.05 m, 16.93 degrees wrt x-axis)