True! The Potential energy is the energy that is stored in an object due to its position relative to some zero position. An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height.
Answer:
at least 4
Step-by-step explanation:
Answer:
A= 18, B= 12
Step-by-step explanation:
A +B= 30 -----(1)
A :B= 3 :2
From the ratio,
A ----- 3 units
B ----- 2 units
Units shall be represented by the letter u from this point forth.
Substitute into equation (1):
3u +2u ---- 30
5u ----- 30
u ----- 30 ÷5= 6
This means that 1 unit represents 6.
A
= 3(6)
= 18
B
= 2(6)
= 12
Answer:
Step-by-step explanation:
1). If a point C is lying on a line segment RB,
Then RB = RC + CB
Since, RB = 45, CB = 3x - 12 and RC = 2x + 9
45 = (2x + 9) + (3x - 12)
45 = (2x + 3x) - 3
48 = 5x
x =
x = 9.6
2). Since, RC = 2x + 9
RC = 2(9.6) + 9
= 19.2 + 9
= 28.2 units
3). Distance between the two points and is given by the formula,
d =
Distance between the points A(2, -2) and D(-2, 2) will be,
=
=
= 5.657
≈ 5.66 units